diff options
Diffstat (limited to 'src/main/java/org/onap/crud')
26 files changed, 5482 insertions, 0 deletions
diff --git a/src/main/java/org/onap/crud/dao/GraphDao.java b/src/main/java/org/onap/crud/dao/GraphDao.java new file mode 100644 index 0000000..bc42b15 --- /dev/null +++ b/src/main/java/org/onap/crud/dao/GraphDao.java @@ -0,0 +1,183 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.dao; + +import java.util.List; +import java.util.Map; + +import org.onap.crud.entity.Edge; + +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; + +public interface GraphDao { + + public Vertex getVertex(String id) throws CrudException; + + public Vertex getVertex(String id, String type) throws CrudException; + + /** + * Retrieve all of the edges which are incident to the vertex with the + * specified identifier. + * + * @param id + * - The unique identifier of the vertex to retrieve the edges for. + * @return - A collection of edges. + * @throws CrudException + */ + public List<Edge> getVertexEdges(String id) throws CrudException; + + /** + * Retrieve a collection of {@link Vertex} objects which match the supplied + * type label and filter properties. + * + * @param type + * - The vertex type that we want to retrieve. + * @param filter + * - The parameters to filter our results by. + * @return - A collection of vertices. + * @throws CrudException + */ + public List<Vertex> getVertices(String type, Map<String, Object> filter) throws CrudException; + + /** + * Retrieve an {@link Edge} from the graph database by specifying its unique + * identifier. + * + * @param id + * - The unique identifier for the Edge to be retrieved. + * @return - The Edge corresponding to the specified identifier. + * @throws CrudException + */ + public Edge getEdge(String id, String type) throws CrudException; + + /** + * Retrieve a collection of {@link Edge} objects with a given type and which + * match a set of supplied filter parameters. + * + * @param type + * - The type of edges that we are interested in. + * @param filter + * - The parameters that we want to filter our edges by. + * @return - A collection of edges which match the supplied filter parameters. + * @throws CrudException + */ + public List<Edge> getEdges(String type, Map<String, Object> filter) throws CrudException; + + /** + * Insert a new {@link Vertex} into the graph data store. + * + * @param type + * - The type label to assign to the vertex. + * @param properties + * - The properties to associated with this vertex. + * @return - The {@link Vertex} object that was created. + * @throws CrudException + */ + public Vertex addVertex(String type, Map<String, Object> properties) throws CrudException; + + /** + * Updates an existing {@link Vertex}. + * + * @param id + * - The unique identifier of the vertex to be updated. + * @param properties + * - The properties to associate with the vertex. + * @return - The udpated vertex. + * @throws CrudException + */ + public Vertex updateVertex(String id, String type, Map<String, Object> properties) throws CrudException; + + /** + * Removes the specified vertex from the graph data base. + * + * <p> + * NOTE: The vertex MUST contain NO incident edges before it can be deleted. + * + * @param id + * - The unique identifier of the vertex to be deleted. + * @throws CrudException + */ + public void deleteVertex(String id, String type) throws CrudException; + + /** + * Adds an edge to the graph database. + * + * @param type + * - The 'type' label to apply to the edge. + * @param source + * - The source vertex for this edge. + * @param target + * - The target vertex for this edge. + * @param properties + * - The properties map to associate with this edge. + * @return - The {@link Edge} object that was created. + * @throws CrudException + */ + public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties) throws CrudException; + + /** + * Updates an existing {@link Edge}. + * + * @param id + * - The unique identifier of the edge to be updated. + * @param properties + * - The properties to associate with the edge. + * @return - The update edge. + * @throws CrudException + */ + public Edge updateEdge(Edge edge) throws CrudException; + + /** + * Remove the specified edge from the graph data base. + * + * @param id + * - The unique identifier of the edge to be deleted. + * @throws CrudException + */ + public void deleteEdge(String id, String type) throws CrudException; + + public String openTransaction(); + + public void commitTransaction(String id) throws CrudException; + + public void rollbackTransaction(String id) throws CrudException; + + public boolean transactionExists(String id) throws CrudException; + + public Vertex addVertex(String type, Map<String, Object> properties, String txId) throws CrudException; + + public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties, String txId) + throws CrudException; + + public Vertex updateVertex(String id, String type, Map<String, Object> properties, String txId) throws CrudException; + + public Edge updateEdge(Edge edge, String txId) throws CrudException; + + public void deleteVertex(String id, String type, String txId) throws CrudException; + + public void deleteEdge(String id, String type, String txId) throws CrudException; + + public Edge getEdge(String id, String type, String txId) throws CrudException; +} diff --git a/src/main/java/org/onap/crud/dao/champ/ChampDao.java b/src/main/java/org/onap/crud/dao/champ/ChampDao.java new file mode 100644 index 0000000..f217897 --- /dev/null +++ b/src/main/java/org/onap/crud/dao/champ/ChampDao.java @@ -0,0 +1,883 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.dao.champ; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.ConcurrentHashMap; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import org.onap.aai.champcore.ChampGraph; +import org.onap.aai.champcore.ChampTransaction; +import org.onap.aai.champcore.exceptions.ChampMarshallingException; +import org.onap.aai.champcore.exceptions.ChampObjectNotExistsException; +import org.onap.aai.champcore.exceptions.ChampRelationshipNotExistsException; +import org.onap.aai.champcore.exceptions.ChampSchemaViolationException; +import org.onap.aai.champcore.exceptions.ChampTransactionException; +import org.onap.aai.champcore.exceptions.ChampUnmarshallingException; +import org.onap.aai.champcore.model.ChampObject; +import org.onap.aai.champcore.model.ChampRelationship; +import org.onap.aai.champcore.model.fluent.object.ObjectBuildOrPropertiesStep; +import org.onap.aai.cl.api.Logger; +import org.onap.aai.cl.eelf.LoggerFactory; +import org.onap.crud.dao.GraphDao; +import org.onap.crud.entity.Edge; +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; +import org.onap.crud.logging.CrudServiceMsgs; + +/** + * This is the integration layer between the CRUD API service and the low level + * Champ library for graph database interaction. + */ +public class ChampDao implements GraphDao { + + public static final String CONFIG_STORAGE_BACKEND = "storage.backend"; + public static final String CONFIG_STORAGE_BACKEND_DB = "storage.backend.db"; + public static final String STORAGE_HBASE_DB = "hbase"; + public static final String STORAGE_CASSANDRA_DB = "cassandra"; + public static final String CONFIG_STORAGE_HOSTNAMES = "storage.hostnames"; + public static final String CONFIG_STORAGE_PORT = "storage.port"; + public static final String CONFIG_HBASE_ZNODE_PARENT = "storage.hbase.ext.zookeeper.znode.parent"; + public static final String CONFIG_GRAPH_NAME = "graph.name"; + public static final String GRAPH_UNQ_INSTANCE_ID_SUFFIX = "graph.unique-instance-id-suffix"; + + public static final String CONFIG_EVENT_STREAM_PUBLISHER = "event.stream.publisher"; + public static final String CONFIG_EVENT_STREAM_NUM_PUBLISHERS = "event.stream.num-publishers"; + + private static Map<String, ChampTransaction> transactions = new ConcurrentHashMap<String, ChampTransaction>(); + public static final String DEFAULT_GRAPH_NAME = "default_graph"; + + private enum GraphType { + IN_MEMORY, TITAN, DSE + } + + /** + * Instance of the API used for interacting with the Champ library. + */ + private ChampGraph champApi = null; + + private Logger logger = LoggerFactory.getInstance().getLogger(ChampDao.class.getName()); + + /** + * Creates a new instance of the ChampDao. + * + * @param champGraph + * - Concrete implementation of the graph dao layer + */ + public ChampDao(ChampGraph champGraph) { + this.champApi = champGraph; + } + + @Override + public Vertex getVertex(String id) throws CrudException { + + try { + + if (logger.isDebugEnabled()) { + logger.debug("getVertex with id: " + id); + } + + long idAsLong = Long.parseLong(id); + + Optional<ChampObject> retrievedVertex = champApi.retrieveObject(idAsLong); + + String nodeType = org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(); + if (retrievedVertex.isPresent() && retrievedVertex.get().getProperties().get(nodeType) != null) { + return vertexFromChampObject(retrievedVertex.get(), + retrievedVertex.get().getProperties().get(nodeType).toString()); + } else { + + // We didn't find a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("No vertex with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + } catch (ChampUnmarshallingException | ChampTransactionException e) { + + // Something went wrong - throw an exception. + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public Vertex getVertex(String id, String type) throws CrudException { + + try { + + if (logger.isDebugEnabled()) { + logger.debug("getVertex with id: " + id); + } + + long idAsLong = Long.parseLong(id); + + // Request the vertex from the graph db. + Optional<ChampObject> retrievedVertex = champApi.retrieveObject(idAsLong); + + // Did we find it? + if (retrievedVertex.isPresent() + && retrievedVertex.get().getProperties() + .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) != null + && retrievedVertex.get().getProperties() + .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString() + .equalsIgnoreCase(type)) { + + // Yup, convert it to a Vector object and return it. + return vertexFromChampObject(retrievedVertex.get(), type); + + } else { + + // We didn't find a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("No vertex with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + } catch (ChampUnmarshallingException | ChampTransactionException e) { + + // Something went wrong - throw an exception. + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public List<Edge> getVertexEdges(String id) throws CrudException { + + if (logger.isDebugEnabled()) { + logger.debug("get Edges incident to vertex with id: " + id + " from graph"); + } + + try { + long idAsLong = Long.parseLong(id); // GDF - what to do about id??? + + // Request the vertex from the graph db. + Optional<ChampObject> retrievedVertex = champApi.retrieveObject(idAsLong); + + // Did we find it? + if (retrievedVertex.isPresent()) { + + // Query the Champ library for the edges which are incident to the + // specified + // vertex. + Stream<ChampRelationship> relationships = champApi.retrieveRelationships(retrievedVertex.get()); + + // Build an edge list from the result stream. + List<Edge> edges = new ArrayList<Edge>(); + relationships.forEach(r -> edges.add(edgeFromChampRelationship(r))); + + return edges; + + } else { + + // We couldn't find the specified vertex, so throw an exception. + throw new CrudException("No vertex with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + } catch (ChampUnmarshallingException e) { + + // Something went wrong, so throw an exception. + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + + } catch (ChampObjectNotExistsException e) { + + // We couldn't find the specified vertex, so throw an exception. + throw new CrudException("No vertex with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } catch (ChampTransactionException e) { + throw new CrudException("Transaction error occured", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public Vertex addVertex(String type, Map<String, Object> properties) throws CrudException { + + if (logger.isDebugEnabled()) { + logger.debug("Add/update vertex: {label: " + type + " properties:" + propertiesMapToString(properties)); + } + + // Add the aai_node_type so that AAI can read the data created by gizmo + properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + // Create an object to represent our vertex in the format expected by the + // Champ library. + ChampObject objectToCreate = buildChampObject(type, properties); + + try { + + // Ask the Champ library to store our vertex, placing the returned object + // into a + // list so that we can easily put that into our result object. + return vertexFromChampObject(champApi.storeObject(objectToCreate), type); + + } catch (ChampMarshallingException | ChampSchemaViolationException | ChampObjectNotExistsException + | ChampTransactionException e) { + + // Something went wrong - throw an exception. + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public Vertex updateVertex(String id, String type, Map<String, Object> properties) throws CrudException { + + if (logger.isDebugEnabled()) { + logger.debug("Update vertex with id: " + id + " with properties: " + propertiesMapToString(properties)); + } + // Add the aai_node_type so that AAI can read the data created by gizmo + properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + try { + // Now, build the updated version of the Champ Object... + ChampObject updateObject = buildChampObject(id, type, properties); + // ...and send it to the Champ library. + return vertexFromChampObject(champApi.replaceObject(updateObject), type); + + } catch (ChampObjectNotExistsException e) { + throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND); + } catch (NumberFormatException | ChampMarshallingException | ChampSchemaViolationException e) { + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } catch (ChampTransactionException e) { + throw new CrudException("Transaction error occured", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + + } + + @Override + public List<Vertex> getVertices(String type, Map<String, Object> filter) throws CrudException { + + if (logger.isDebugEnabled()) { + logger.debug("Retrieve vertices with type label: " + type + " which map query parameters: " + + propertiesMapToString(filter)); + } + + filter.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + Stream<ChampObject> retrievedVertices; + try { + retrievedVertices = champApi.queryObjects(filter); + + } catch (ChampTransactionException e) { + throw new CrudException("Transaction error occured", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + + List<Vertex> vertices = retrievedVertices.map(v -> vertexFromChampObject(v, type)).collect(Collectors.toList()); + + if (logger.isDebugEnabled()) { + logger.debug("Resulting vertex list: " + retrievedVertices); + } + + // ...and return it to the caller. + return vertices; + } + + private Object getRelKey(String id) { + Object key = id; + // convert into Long if applicable . TODO : revisit in story NUC-304 + try { + key = Long.parseLong(id); + } catch (NumberFormatException e) { + // The id isn't a Long, leave it as a string + } + + return key; + } + + @Override + public Edge getEdge(String id, String type) throws CrudException { + + if (logger.isDebugEnabled()) { + logger.debug("Get edge with id: " + id); + } + + try { + + // Request the edge from the graph db. + Optional<ChampRelationship> relationship = champApi.retrieveRelationship(getRelKey(id)); + + // Did we find it? + if (relationship.isPresent() && relationship.get().getType().equals(type)) { + + // Yup - return the result. + return edgeFromChampRelationship(relationship.get()); + + } else { + + // We didn't find an edge with the supplied id, so throw an exception. + throw new CrudException("No edge with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + } catch (ChampUnmarshallingException | ChampTransactionException e) { + + // Something went wrong, so throw an exception. + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties) throws CrudException { + + // For now, assume source and target are straight ids... + try { + + Optional<ChampObject> sourceObject = champApi.retrieveObject(Long.parseLong(source.getId().get())); + if (!sourceObject.isPresent() || !sourceObject.get().getType().equals(source.getType())) { + throw new CrudException( + "Error creating edge - source vertex with id " + source + " does not exist in graph data base", + javax.ws.rs.core.Response.Status.BAD_REQUEST); + } + + Optional<ChampObject> targetObject = champApi.retrieveObject(Long.parseLong(target.getId().get())); + if (!targetObject.isPresent() || !targetObject.get().getType().equals(target.getType())) { + throw new CrudException( + "Error creating edge - target vertex with id " + target + " does not exist in graph data base", + javax.ws.rs.core.Response.Status.BAD_REQUEST); + } + + // Now, create the ChampRelationship object for our edge and store it in + // the graph database. + return edgeFromChampRelationship(champApi.storeRelationship( + new ChampRelationship.Builder(sourceObject.get(), targetObject.get(), type).properties(properties).build())); + + } catch (ChampMarshallingException | ChampObjectNotExistsException | ChampSchemaViolationException + | ChampRelationshipNotExistsException | ChampUnmarshallingException | NumberFormatException + | ChampTransactionException e) { + + throw new CrudException("Error creating edge: " + e.getMessage(), + javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public List<Edge> getEdges(String type, Map<String, Object> filter) throws CrudException { + + filter.put(ChampRelationship.ReservedPropertyKeys.CHAMP_RELATIONSHIP_TYPE.toString(), type); + + Stream<ChampRelationship> retrievedRelationships; + try { + retrievedRelationships = champApi.queryRelationships(filter); + + } catch (ChampTransactionException e) { + throw new CrudException("Transaction error occured", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + + // Process the result stream from the Champ library into an Edge list, + // keeping only + // edges of the specified type. + List<Edge> edges = retrievedRelationships.map(r -> edgeFromChampRelationship(r)).collect(Collectors.toList()); + + return edges; + } + + @Override + public Edge updateEdge(Edge edge) throws CrudException { + + if (logger.isDebugEnabled()) { + logger.debug( + "Update edge with id: " + edge.getId() + " with properties: " + propertiesMapToString(edge.getProperties())); + } + + try { + // Now, build the updated version of the Champ Relationship... + ChampRelationship updateRelationship = new ChampRelationship.Builder( + buildChampObject(edge.getSource().getId().get(), edge.getSource().getType(), + edge.getSource().getProperties()), + buildChampObject(edge.getTarget().getId().get(), edge.getTarget().getType(), + edge.getTarget().getProperties()), + edge.getType()).key(getRelKey(edge.getId().get())).properties(edge.getProperties()).build(); + // ...and send it to the Champ library. + return edgeFromChampRelationship(champApi.replaceRelationship(updateRelationship)); + + } catch (ChampRelationshipNotExistsException ex) { + throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND); + } catch (NumberFormatException | ChampUnmarshallingException | ChampMarshallingException + | ChampSchemaViolationException | ChampTransactionException ex) { + + throw new CrudException(ex.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public void deleteVertex(String id, String type) throws CrudException { + + try { + + // First, retrieve the vertex that we intend to delete. + Optional<ChampObject> retrievedVertex = champApi.retrieveObject(Long.parseLong(id)); + + // Did we find it? + if (!retrievedVertex.isPresent() || !retrievedVertex.get().getType().equals(type)) { + throw new CrudException("Failed to delete vertex with id: " + id + " - vertex does not exist.", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + // Now, verify that there are no edges incident to the vertex (they must + // be deleted + // first if so). + Stream<ChampRelationship> relationships = champApi.retrieveRelationships(retrievedVertex.get()); + + if (relationships.count() > 0) { + throw new CrudException("Attempt to delete vertex with id " + id + " which has incident edges.", + javax.ws.rs.core.Response.Status.BAD_REQUEST); + } + + // Finally, we can attempt to delete our vertex. + champApi.deleteObject(Long.parseLong(id)); + + } catch (NumberFormatException | ChampUnmarshallingException | ChampObjectNotExistsException + | ChampTransactionException e) { + + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public void deleteEdge(String id, String type) throws CrudException { + + try { + + // First, retrieve the edge that we want to delete. + Optional<ChampRelationship> relationshipToDelete = champApi.retrieveRelationship(getRelKey(id)); + + // Did we find it? + if (!relationshipToDelete.isPresent() || !relationshipToDelete.get().getType().equals(type)) { + throw new CrudException("Failed to delete edge with id: " + id + " - edge does not exist", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + // Now we can delete the edge. + champApi.deleteRelationship(relationshipToDelete.get()); + + } catch (ChampRelationshipNotExistsException | NumberFormatException | ChampUnmarshallingException + | ChampTransactionException e) { + + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + /** + * This helper method generates a string representation of a properties map + * for logging purposes. + * + * @param properties + * - The properties map to be converted. + * @return - The log statement friendly conversion of the properties map. + */ + private String propertiesMapToString(Map<String, Object> properties) { + + StringBuilder sb = new StringBuilder(); + sb.append("{"); + + for (String key : properties.keySet()) { + sb.append("(").append(key).append(" -> ").append(properties.get(key)).append(") "); + } + + sb.append("}"); + + return sb.toString(); + } + + /** + * This helper method constructs a {@link ChampObject} suitable for passing to + * the Champ library. + * + * @param type + * - The type to assign to our ChampObject + * @param properties + * - The set of properties to assign to our ChampObject + * @return - A populated ChampObject + */ + private ChampObject buildChampObject(String type, Map<String, Object> properties) { + + ObjectBuildOrPropertiesStep objectInProgress = ChampObject.create().ofType(type).withoutKey(); + + for (String key : properties.keySet()) { + objectInProgress.withProperty(key, properties.get(key)); + } + return objectInProgress.build(); + } + + /** + * This helper method constructs a {@link ChampObject} suitable for passing to + * the Champ library. + * + * @param id + * - Unique identifier for this object. + * @param type + * - The type to assign to our ChampObject + * @param properties + * - The set of properties to assign to our ChampObject + * @return - A populated ChampObject + */ + private ChampObject buildChampObject(String id, String type, Map<String, Object> properties) { + + ObjectBuildOrPropertiesStep objectInProgress = ChampObject.create().ofType(type).withKey(Long.parseLong(id)); + + for (String key : properties.keySet()) { + objectInProgress.withProperty(key, properties.get(key)); + } + return objectInProgress.build(); + } + + private Vertex vertexFromChampObject(ChampObject champObject, String type) { + + // Get the identifier for this vertex from the Champ object. + Object id = champObject.getKey().orElse(""); + + // Start building our {@link Vertex} object. + Vertex.Builder vertexBuilder = new Vertex.Builder(type); + vertexBuilder.id(id.toString()); + + // Convert the properties associated with the Champ object into the form + // expected for + // a Vertex object. + for (String key : champObject.getProperties().keySet()) { + vertexBuilder.property(key, champObject.getProperties().get(key)); + } + + // ...and return it. + return vertexBuilder.build(); + } + + /** + * This helper method converts a {@link ChampRelationship} from the Champ + * library into an equivalent {@link Edge} object that is understood by the + * CRUD Service. + * + * @param relationship + * - The ChampRelationship object to be converted. + * @return - An Edge object corresponding to the supplied ChampRelationship + */ + private Edge edgeFromChampRelationship(ChampRelationship relationship) { + + // Populate the edge's id, if available. + Object relationshipId = relationship.getKey().orElse(""); + + Edge.Builder edgeBuilder = new Edge.Builder(relationship.getType()).id(relationshipId.toString()); + edgeBuilder.source(vertexFromChampObject(relationship.getSource(), + relationship.getSource().getProperties() + .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) == null + ? relationship.getSource().getType() + : relationship.getSource().getProperties() + .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString())); + edgeBuilder.target(vertexFromChampObject(relationship.getTarget(), + relationship.getTarget().getProperties() + .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()) == null + ? relationship.getTarget().getType() + : relationship.getTarget().getProperties() + .get(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName()).toString())); + + for (String key : relationship.getProperties().keySet()) { + edgeBuilder.property(key, relationship.getProperties().get(key).toString()); + } + + return edgeBuilder.build(); + } + + /** + * Performs any necessary shut down operations when the DAO is no longer + * needed. + */ + public void close() { + + if (champApi != null) { + + logger.info(CrudServiceMsgs.STOPPING_CHAMP_DAO); + + champApi.shutdown(); + } + } + + @Override + public String openTransaction() { + + ChampTransaction transaction = champApi.openTransaction(); + + transactions.put(transaction.id(), transaction); + logger.info(CrudServiceMsgs.TRANSACTION, "Stored transaction " + transaction.id() + " in hashmap"); + logger.info(CrudServiceMsgs.TRANSACTION, "Hash map contents:"); + for (String key : transactions.keySet()) { + logger.info(CrudServiceMsgs.TRANSACTION, key); + } + return transaction.id(); + } + + @Override + public void commitTransaction(String id) throws CrudException { + + try { + champApi.commitTransaction(getTransaction(id)); + } catch (ChampTransactionException e) { + throw new CrudException("Error while commiting transaction " + id, + javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + transactions.remove(id); + } + + @Override + public void rollbackTransaction(String id) throws CrudException { + + try { + champApi.rollbackTransaction(getTransaction(id)); + } catch (ChampTransactionException e) { + throw new CrudException("Error while transaction rollback " + id, + javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + transactions.remove(id); + } + + private ChampTransaction getTransaction(String id) throws CrudException { + + logger.info(CrudServiceMsgs.TRANSACTION, "Looking up transaction " + id); + if (transactions.containsKey(id)) { + logger.info(CrudServiceMsgs.TRANSACTION, "Found it!"); + return (transactions.get(id)); + } else { + logger.info(CrudServiceMsgs.TRANSACTION, "Didn't find transaction id " + id + ". Hash map contains: "); + for (String key : transactions.keySet()) { + logger.info(CrudServiceMsgs.TRANSACTION, key); + } + throw new CrudException("No open transaction with id: " + id, javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public Vertex addVertex(String type, Map<String, Object> properties, String txId) throws CrudException { + if (logger.isDebugEnabled()) { + logger.debug("Add/update vertex: {label: " + type + " properties:" + propertiesMapToString(properties)); + } + + // Add the aai_node_type so that AAI can read the data created by gizmo + properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + // Create an object to represent our vertex in the format expected by the + // Champ library. + ChampObject objectToCreate = buildChampObject(type, properties); + + try { + + // Ask the Champ library to store our vertex, placing the returned object + // into a + // list so that we can easily put that into our result object. + return vertexFromChampObject(champApi.storeObject(objectToCreate, Optional.of(getTransaction(txId))), type); + + } catch (ChampMarshallingException | ChampSchemaViolationException | ChampObjectNotExistsException + | ChampTransactionException e) { + + // Something went wrong - throw an exception. + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties, String txId) + throws CrudException { + // For now, assume source and target are straight ids... + try { + + Optional<ChampObject> sourceObject = champApi.retrieveObject(Long.parseLong(source.getId().get()), + Optional.of(getTransaction(txId))); + if (!sourceObject.isPresent() || !sourceObject.get().getType().equals(source.getType())) { + throw new CrudException( + "Error creating edge - source vertex with id " + source + " does not exist in graph data base", + javax.ws.rs.core.Response.Status.BAD_REQUEST); + } + + Optional<ChampObject> targetObject = champApi.retrieveObject(Long.parseLong(target.getId().get()), + Optional.of(getTransaction(txId))); + if (!targetObject.isPresent() || !targetObject.get().getType().equals(target.getType())) { + throw new CrudException( + "Error creating edge - target vertex with id " + target + " does not exist in graph data base", + javax.ws.rs.core.Response.Status.BAD_REQUEST); + } + + // Now, create the ChampRelationship object for our edge and store it in + // the graph database. + return edgeFromChampRelationship(champApi.storeRelationship( + new ChampRelationship.Builder(sourceObject.get(), targetObject.get(), type).properties(properties).build(), + Optional.of(getTransaction(txId)))); + + } catch (ChampMarshallingException | ChampObjectNotExistsException | ChampSchemaViolationException + | ChampTransactionException | ChampRelationshipNotExistsException | ChampUnmarshallingException e) { + + throw new CrudException("Error creating edge: " + e.getMessage(), + javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + + } + + @Override + public Vertex updateVertex(String id, String type, Map<String, Object> properties, String txId) throws CrudException { + if (logger.isDebugEnabled()) { + logger.debug("Update vertex with id: " + id + " with properties: " + propertiesMapToString(properties)); + } + // Add the aai_node_type so that AAI can read the data created by gizmo + properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + try { + // Now, build the updated version of the Champ Object... + ChampObject updateObject = buildChampObject(id, type, properties); + // ...and send it to the Champ library. + return vertexFromChampObject(champApi.replaceObject(updateObject, Optional.of(getTransaction(txId))), type); + + } catch (ChampObjectNotExistsException e) { + throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND); + } catch (NumberFormatException | ChampMarshallingException | ChampTransactionException + | ChampSchemaViolationException e) { + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public boolean transactionExists(String id) throws CrudException { + return transactions.containsKey(id); + } + + @Override + public void deleteVertex(String id, String type, String txId) throws CrudException { + try { + + // First, retrieve the vertex that we intend to delete. + Optional<ChampObject> retrievedVertex = champApi.retrieveObject(Long.parseLong(id), + Optional.of(getTransaction(txId))); + + // Did we find it? + if (!retrievedVertex.isPresent() || !retrievedVertex.get().getType().equals(type)) { + throw new CrudException("Failed to delete vertex with id: " + id + " - vertex does not exist.", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + // Now, verify that there are no edges incident to the vertex (they must + // be deleted + // first if so). + Stream<ChampRelationship> relationships = champApi.retrieveRelationships(retrievedVertex.get(), + Optional.of(getTransaction(txId))); + + if (relationships.count() > 0) { + throw new CrudException("Attempt to delete vertex with id " + id + " which has incident edges.", + javax.ws.rs.core.Response.Status.BAD_REQUEST); + } + + // Finally, we can attempt to delete our vertex. + champApi.deleteObject(Long.parseLong(id), Optional.of(getTransaction(txId))); + + } catch (NumberFormatException | ChampUnmarshallingException | ChampObjectNotExistsException + | ChampTransactionException e) { + + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + + } + + @Override + public Edge updateEdge(Edge edge, String txId) throws CrudException { + if (logger.isDebugEnabled()) { + logger.debug( + "Update edge with id: " + edge.getId() + " with properties: " + propertiesMapToString(edge.getProperties())); + } + + try { + // Now, build the updated version of the Champ Relationship... + ChampRelationship updateRelationship = new ChampRelationship.Builder( + buildChampObject(edge.getSource().getId().get(), edge.getSource().getType(), + edge.getSource().getProperties()), + buildChampObject(edge.getTarget().getId().get(), edge.getTarget().getType(), + edge.getTarget().getProperties()), + edge.getType()).key(getRelKey(edge.getId().get())).properties(edge.getProperties()).build(); + // ...and send it to the Champ library. + return edgeFromChampRelationship( + champApi.replaceRelationship(updateRelationship, Optional.of(getTransaction(txId)))); + + } catch (ChampRelationshipNotExistsException ex) { + throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND); + } catch (NumberFormatException | ChampUnmarshallingException | ChampMarshallingException + | ChampSchemaViolationException | ChampTransactionException ex) { + + throw new CrudException(ex.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + + @Override + public void deleteEdge(String id, String type, String txId) throws CrudException { + try { + + // First, retrieve the edge that we want to delete. + Optional<ChampRelationship> relationshipToDelete = champApi.retrieveRelationship(getRelKey(id), + Optional.of(getTransaction(txId))); + + // Did we find it? + if (!relationshipToDelete.isPresent() || !relationshipToDelete.get().getType().equals(type)) { + throw new CrudException("Failed to delete edge with id: " + id + " - edge does not exist", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + // Now we can delete the edge. + champApi.deleteRelationship(relationshipToDelete.get(), Optional.of(getTransaction(txId))); + + } catch (ChampRelationshipNotExistsException | NumberFormatException | ChampUnmarshallingException + | ChampTransactionException e) { + + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + + } + + @Override + public Edge getEdge(String id, String type, String txId) throws CrudException { + if (logger.isDebugEnabled()) { + logger.debug("Get edge with id: " + id); + } + + try { + + // Request the edge from the graph db. + Optional<ChampRelationship> relationship = champApi.retrieveRelationship(getRelKey(id), + Optional.of(getTransaction(txId))); + + // Did we find it? + if (relationship.isPresent() && relationship.get().getType().equals(type)) { + + // Yup - return the result. + return edgeFromChampRelationship(relationship.get()); + + } else { + + // We didn't find an edge with the supplied id, so throw an exception. + throw new CrudException("No edge with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + + } catch (ChampUnmarshallingException | ChampTransactionException e) { + + // Something went wrong, so throw an exception. + throw new CrudException(e.getMessage(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR); + } + } + +} diff --git a/src/main/java/org/onap/crud/dao/champion/ChampionDao.java b/src/main/java/org/onap/crud/dao/champion/ChampionDao.java new file mode 100644 index 0000000..4bde2e0 --- /dev/null +++ b/src/main/java/org/onap/crud/dao/champion/ChampionDao.java @@ -0,0 +1,623 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.dao.champion; + +import net.dongliu.gson.GsonJava8TypeAdapterFactory; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.reflect.TypeToken; + +import org.apache.http.NameValuePair; +import org.apache.http.client.utils.URLEncodedUtils; +import org.apache.http.message.BasicNameValuePair; +import org.eclipse.jetty.util.security.Password; +import org.onap.aai.logging.LoggingContext; +import org.onap.aai.cl.api.Logger; +import org.onap.aai.cl.eelf.LoggerFactory; +import org.onap.crud.dao.GraphDao; +import org.onap.crud.entity.Edge; +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; +import org.onap.crud.util.CrudServiceConstants; +import org.onap.aai.restclient.client.OperationResult; +import org.onap.aai.restclient.client.RestClient; +import org.onap.aai.restclient.enums.RestAuthenticationMode; +import org.slf4j.MDC; + +import java.nio.charset.Charset; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import javax.ws.rs.core.MediaType; +import javax.ws.rs.core.Response; + +public class ChampionDao implements GraphDao { + private RestClient client; + private String baseUrl; + + private static final String HEADER_FROM_APP = "X-FromAppId"; + private static final String HEADER_TRANS_ID = "X-TransactionId"; + + private Logger logger = LoggerFactory.getInstance().getLogger(ChampionDao.class.getName()); + + // We use a custom vertex serializer for Champion because it expects "key" + // instead of "id" + private static final Gson championGson = new GsonBuilder() + .registerTypeAdapterFactory(new GsonJava8TypeAdapterFactory()) + .registerTypeAdapter(Vertex.class, new ChampionVertexSerializer()) + .registerTypeAdapter(Edge.class, new ChampionEdgeSerializer()).create(); + + public ChampionDao(String championUrl, String certPassword) { + try { + client = new RestClient().authenticationMode(RestAuthenticationMode.SSL_CERT).validateServerHostname(false) + .validateServerCertChain(false).clientCertFile(CrudServiceConstants.CRD_CHAMPION_AUTH_FILE) + .clientCertPassword(Password.deobfuscate(certPassword)); + + baseUrl = championUrl; + } catch (Exception e) { + System.out.println("Error setting up Champion configuration"); + e.printStackTrace(); + System.exit(1); + } + } + + @Override + public Vertex getVertex(String id) throws CrudException { + String url = baseUrl + "objects/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == 200) { + return Vertex.fromJson(getResult.getResult()); + } else { + // We didn't find a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("No vertex with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public Vertex getVertex(String id, String type) throws CrudException { + String url = baseUrl + "objects/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == 200) { + Vertex vert = Vertex.fromJson(getResult.getResult()); + + if (!vert.getType().equalsIgnoreCase(type)) { + // We didn't find a vertex with the supplied type, so just throw an + // exception. + throw new CrudException("No vertex with id " + id + "and type " + type + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + return vert; + } else { + // We didn't find a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("No vertex with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public List<Edge> getVertexEdges(String id) throws CrudException { + String url = baseUrl + "objects/relationships/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == 200) { + return championGson.fromJson(getResult.getResult(), new TypeToken<List<Edge>>() { + }.getType()); + } else { + // We didn't find a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("No vertex with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public List<Vertex> getVertices(String type, Map<String, Object> filter) throws CrudException { + filter.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + String url = baseUrl + "objects/filter" + "?" + + URLEncodedUtils.format(convertToNameValuePair(filter), Charset.defaultCharset()); + + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == 200) { + return championGson.fromJson(getResult.getResult(), new TypeToken<List<Vertex>>() { + }.getType()); + } else { + // We didn't find a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("No vertices found in graph for given filters", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public Edge getEdge(String id, String type) throws CrudException { + String url = baseUrl + "relationships/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == 200) { + Edge edge = Edge.fromJson(getResult.getResult()); + + if (!edge.getType().equalsIgnoreCase(type)) { + // We didn't find an edge with the supplied type, so just throw an + // exception. + throw new CrudException("No edge with id " + id + "and type " + type + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + return edge; + } else { + // We didn't find a edge with the supplied type, so just throw an + // exception. + throw new CrudException("No edge with id " + id + " found in graph", javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public List<Edge> getEdges(String type, Map<String, Object> filter) throws CrudException { + String url = baseUrl + "relationships/filter" + "?" + + URLEncodedUtils.format(convertToNameValuePair(filter), Charset.defaultCharset()); + + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == 200) { + return championGson.fromJson(getResult.getResult(), new TypeToken<List<Edge>>() { + }.getType()); + } else { + // We didn't find a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("No edges found in graph for given filters", javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public Vertex addVertex(String type, Map<String, Object> properties) throws CrudException { + String url = baseUrl + "objects"; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + // Add the aai_node_type so that AAI can read the data created by gizmo + // TODO: This probably shouldn't be here + properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + Vertex.Builder insertVertexBuilder = new Vertex.Builder(type); + properties.forEach(insertVertexBuilder::property); + Vertex insertVertex = insertVertexBuilder.build(); + + OperationResult getResult = client.post(url, insertVertex.toJson(), headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == Response.Status.CREATED.getStatusCode()) { + return Vertex.fromJson(getResult.getResult()); + } else { + // We didn't create a vertex with the supplied type, so just throw an + // exception. + throw new CrudException("Failed to create vertex", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public Vertex updateVertex(String id, String type, Map<String, Object> properties) throws CrudException { + String url = baseUrl + "objects/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + // Add the aai_node_type so that AAI can read the data created by gizmo + // TODO: This probably shouldn't be here + properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + Vertex.Builder insertVertexBuilder = new Vertex.Builder(type); + insertVertexBuilder.id(id); + properties.forEach(insertVertexBuilder::property); + Vertex insertVertex = insertVertexBuilder.build(); + + String payload = insertVertex.toJson(championGson); + OperationResult getResult = client.put(url, payload, headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == Response.Status.OK.getStatusCode()) { + return Vertex.fromJson(getResult.getResult()); + } else { + // We didn't create a vertex with the supplied type, so just throw an + // exception. + throw new CrudException("Failed to update vertex", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public void deleteVertex(String id, String type) throws CrudException { + String url = baseUrl + "objects/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.delete(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() != Response.Status.OK.getStatusCode()) { + // We didn't delete a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("Failed to delete vertex", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties) throws CrudException { + String url = baseUrl + "relationships"; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + // Try requests to ensure source and target exist in Champion + Vertex dbSource = getVertex(source.getId().get(), source.getType()); + Vertex dbTarget = getVertex(target.getId().get(), target.getType()); + + Edge.Builder insertEdgeBuilder = new Edge.Builder(type).source(dbSource).target(dbTarget); + properties.forEach(insertEdgeBuilder::property); + Edge insertEdge = insertEdgeBuilder.build(); + + String edgeJson = insertEdge.toJson(championGson); + OperationResult getResult = client.post(url, edgeJson, headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == Response.Status.CREATED.getStatusCode()) { + return Edge.fromJson(getResult.getResult()); + } else { + // We didn't create an edge with the supplied type, so just throw an + // exception. + throw new CrudException("Failed to create edge", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public Edge updateEdge(Edge edge) throws CrudException { + if (!edge.getId().isPresent()) { + throw new CrudException("Unable to identify edge: " + edge.toString(), Response.Status.BAD_REQUEST); + } + String url = baseUrl + "relationships/" + edge.getId().get(); + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + String edgeJson = edge.toJson(championGson); + OperationResult getResult = client.put(url, edgeJson, headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == Response.Status.OK.getStatusCode()) { + return Edge.fromJson(getResult.getResult()); + } else { + // We didn't create an edge with the supplied type, so just throw an + // exception. + throw new CrudException("Failed to update edge", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public void deleteEdge(String id, String type) throws CrudException { + String url = baseUrl + "relationships/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.delete(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() != 200) { + // We didn't find an edge with the supplied type, so just throw an + // exception. + throw new CrudException("No edge with id " + id + " found in graph", javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public String openTransaction() { + String url = baseUrl + "transaction"; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.post(url, "", headers, MediaType.TEXT_PLAIN_TYPE, MediaType.TEXT_PLAIN_TYPE); + + if (getResult.getResultCode() == 200) { + return getResult.getResult(); + } else { + return null; + } + } + + @Override + public void commitTransaction(String id) throws CrudException { + String url = baseUrl + "transaction/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.put(url, "{\"method\": \"commit\"}", headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.TEXT_PLAIN_TYPE); + + if (getResult.getResultCode() != 200) { + throw new CrudException("Unable to commit transaction", + Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public void rollbackTransaction(String id) throws CrudException { + String url = baseUrl + "transaction/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.put(url, "{\"method\": \"rollback\"}", headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.TEXT_PLAIN_TYPE); + + if (getResult.getResultCode() != 200) { + throw new CrudException("Unable to rollback transaction", + Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public boolean transactionExists(String id) throws CrudException { + String url = baseUrl + "transaction/" + id; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + return getResult.getResultCode() == 200; + } + + @Override + public Vertex addVertex(String type, Map<String, Object> properties, String txId) throws CrudException { + String url = baseUrl + "objects?transactionId=" + txId; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + // Add the aai_node_type so that AAI can read the data created by gizmo + // TODO: This probably shouldn't be here + properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + Vertex.Builder insertVertexBuilder = new Vertex.Builder(type); + properties.forEach(insertVertexBuilder::property); + Vertex insertVertex = insertVertexBuilder.build(); + + OperationResult getResult = client.post(url, insertVertex.toJson(), headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == Response.Status.CREATED.getStatusCode()) { + return Vertex.fromJson(getResult.getResult()); + } else { + // We didn't create a vertex with the supplied type, so just throw an + // exception. + throw new CrudException("Failed to create vertex", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public Edge addEdge(String type, Vertex source, Vertex target, Map<String, Object> properties, String txId) + throws CrudException { + String url = baseUrl + "relationships?transactionId=" + txId; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + // Try requests to ensure source and target exist in Champion + Vertex dbSource = getVertex(source.getId().get(), source.getType(), txId); + Vertex dbTarget = getVertex(target.getId().get(), target.getType(), txId); + + Edge.Builder insertEdgeBuilder = new Edge.Builder(type).source(dbSource).target(dbTarget); + properties.forEach(insertEdgeBuilder::property); + Edge insertEdge = insertEdgeBuilder.build(); + + OperationResult getResult = client.post(url, insertEdge.toJson(championGson), headers, + MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == Response.Status.CREATED.getStatusCode()) { + return Edge.fromJson(getResult.getResult()); + } else { + // We didn't create an edge with the supplied type, so just throw an + // exception. + throw new CrudException("Failed to create edge", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public Vertex updateVertex(String id, String type, Map<String, Object> properties, String txId) throws CrudException { + String url = baseUrl + "objects/" + id + "?transactionId=" + txId; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + // Add the aai_node_type so that AAI can read the data created by gizmo + // TODO: This probably shouldn't be here + properties.put(org.onap.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type); + + Vertex.Builder insertVertexBuilder = new Vertex.Builder(type); + insertVertexBuilder.id(id); + properties.forEach(insertVertexBuilder::property); + Vertex insertVertex = insertVertexBuilder.build(); + + String payload = insertVertex.toJson(championGson); + OperationResult getResult = client.put(url, payload, headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == Response.Status.OK.getStatusCode()) { + return Vertex.fromJson(getResult.getResult()); + } else { + // We didn't create a vertex with the supplied type, so just throw an + // exception. + throw new CrudException("Failed to update vertex", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public void deleteVertex(String id, String type, String txId) throws CrudException { + String url = baseUrl + "objects/" + id + "?transactionId=" + txId; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.delete(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() != Response.Status.OK.getStatusCode()) { + // We didn't delete a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("Failed to delete vertex", Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public Edge updateEdge(Edge edge, String txId) throws CrudException { + if (!edge.getId().isPresent()) { + throw new CrudException("Unable to identify edge: " + edge.toString(), Response.Status.BAD_REQUEST); + } + String url = baseUrl + "relationships/" + edge.getId().get() + "?transactionId=" + txId; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.put(url, edge.toJson(championGson), headers, MediaType.APPLICATION_JSON_TYPE, + MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == Response.Status.OK.getStatusCode()) { + return Edge.fromJson(getResult.getResult()); + } else { + // We didn't create an edge with the supplied type, so just throw an + // exception. + throw new CrudException("Failed to update edge: " + getResult.getFailureCause(), + Response.Status.fromStatusCode(getResult.getResultCode())); + } + } + + @Override + public void deleteEdge(String id, String type, String txId) throws CrudException { + String url = baseUrl + "relationships/" + id + "?transactionId=" + txId; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.delete(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() != 200) { + // We didn't find an edge with the supplied type, so just throw an + // exception. + throw new CrudException("No edge with id " + id + " found in graph", javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + @Override + public Edge getEdge(String id, String type, String txId) throws CrudException { + String url = baseUrl + "relationships/" + id + "?transactionId=" + txId; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == 200) { + Edge edge = Edge.fromJson(getResult.getResult()); + + if (!edge.getType().equalsIgnoreCase(type)) { + // We didn't find an edge with the supplied type, so just throw an + // exception. + throw new CrudException("No edge with id " + id + "and type " + type + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + return edge; + } else { + // We didn't find an edge with the supplied id, so just throw an + // exception. + throw new CrudException("No edge with id " + id + " found in graph", javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + public Vertex getVertex(String id, String type, String txId) throws CrudException { + String url = baseUrl + "objects/" + id + "?transactionId=" + txId; + Map<String, List<String>> headers = new HashMap<>(); + headers.put(HEADER_FROM_APP, Arrays.asList("Gizmo")); + headers.put(HEADER_TRANS_ID, Arrays.asList(MDC.get(LoggingContext.LoggingField.REQUEST_ID.toString()))); + + OperationResult getResult = client.get(url, headers, MediaType.APPLICATION_JSON_TYPE); + + if (getResult.getResultCode() == 200) { + Vertex vert = Vertex.fromJson(getResult.getResult()); + + if (!vert.getType().equalsIgnoreCase(type)) { + // We didn't find a vertex with the supplied type, so just throw an + // exception. + throw new CrudException("No vertex with id " + id + "and type " + type + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + return vert; + } else { + // We didn't find a vertex with the supplied id, so just throw an + // exception. + throw new CrudException("No vertex with id " + id + " found in graph", + javax.ws.rs.core.Response.Status.NOT_FOUND); + } + } + + // https://stackoverflow.com/questions/26942330/convert-mapstring-string-to-listnamevaluepair-is-this-the-most-efficient + private List<NameValuePair> convertToNameValuePair(Map<String, Object> pairs) { + List<NameValuePair> nvpList = new ArrayList<>(pairs.size()); + + pairs.forEach((key, value) -> nvpList.add(new BasicNameValuePair(key, value.toString()))); + + return nvpList; + } +} diff --git a/src/main/java/org/onap/crud/dao/champion/ChampionEdgeSerializer.java b/src/main/java/org/onap/crud/dao/champion/ChampionEdgeSerializer.java new file mode 100644 index 0000000..655d096 --- /dev/null +++ b/src/main/java/org/onap/crud/dao/champion/ChampionEdgeSerializer.java @@ -0,0 +1,49 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.dao.champion; + +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import com.google.gson.JsonSerializationContext; +import com.google.gson.JsonSerializer; + +import org.onap.crud.entity.Edge; +import org.onap.crud.entity.Vertex; + +import java.lang.reflect.Type; + +public class ChampionEdgeSerializer implements JsonSerializer<Edge> { + @Override + public JsonElement serialize(Edge edge, Type type, JsonSerializationContext jsonSerializationContext) { + final JsonObject edgeObj = new JsonObject(); + if (edge.getId().isPresent()) { + edgeObj.add("key", jsonSerializationContext.serialize(edge.getId().get())); + } + edgeObj.add("type", jsonSerializationContext.serialize(edge.getType())); + edgeObj.add("properties", jsonSerializationContext.serialize(edge.getProperties())); + edgeObj.add("source", jsonSerializationContext.serialize(edge.getSource())); + edgeObj.add("target", jsonSerializationContext.serialize(edge.getTarget())); + return edgeObj; + } +} diff --git a/src/main/java/org/onap/crud/dao/champion/ChampionVertexSerializer.java b/src/main/java/org/onap/crud/dao/champion/ChampionVertexSerializer.java new file mode 100644 index 0000000..904ad2e --- /dev/null +++ b/src/main/java/org/onap/crud/dao/champion/ChampionVertexSerializer.java @@ -0,0 +1,47 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.dao.champion; + +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import com.google.gson.JsonSerializationContext; +import com.google.gson.JsonSerializer; + +import org.onap.crud.entity.Vertex; + +import java.lang.reflect.Type; + +public class ChampionVertexSerializer implements JsonSerializer<Vertex> { + @Override + public JsonElement serialize(Vertex vertex, Type type, JsonSerializationContext jsonSerializationContext) { + final JsonObject vertexObj = new JsonObject(); + if (vertex.getId().isPresent()) { + vertexObj.add("key", jsonSerializationContext.serialize(vertex.getId().get())); + } + vertexObj.add("type", jsonSerializationContext.serialize(vertex.getType())); + vertexObj.add("properties", jsonSerializationContext.serialize(vertex.getProperties())); + + return vertexObj; + } +} diff --git a/src/main/java/org/onap/crud/entity/Edge.java b/src/main/java/org/onap/crud/entity/Edge.java new file mode 100644 index 0000000..87b0ac4 --- /dev/null +++ b/src/main/java/org/onap/crud/entity/Edge.java @@ -0,0 +1,140 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.entity; + +import net.dongliu.gson.GsonJava8TypeAdapterFactory; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.annotations.SerializedName; + +import java.util.HashMap; +import java.util.Map; +import java.util.Optional; + +public class Edge { + private static final Gson gson = new GsonBuilder().registerTypeAdapterFactory(new GsonJava8TypeAdapterFactory()) + .create(); + + @SerializedName(value = "id", alternate = { "key" }) + private final Optional<String> id; + private final String type; + private final Map<String, Object> properties; + private final Vertex source; + private final Vertex target; + + private Edge(Builder builder) { + this.id = builder.id; + this.type = builder.type; + this.source = builder.source; + this.target = builder.target; + this.properties = builder.properties; + } + + public static class Builder { + private Optional<String> id = Optional.empty(); + private final String type; + private Vertex source; + private Vertex target; + private final Map<String, Object> properties = new HashMap<String, Object>(); + + public Builder(String type) { + if (type == null) { + throw new IllegalArgumentException("Type cannot be null"); + } + + this.type = type; + } + + public Builder id(String id) { + if (id == null) { + throw new IllegalArgumentException("id cannot be null"); + } + + this.id = Optional.of(id); + return this; + } + + public Builder property(String key, Object value) { + if (key == null || value == null) { + throw new IllegalArgumentException("Property key/value cannot be null"); + } + properties.put(key, value); + return this; + } + + public Builder source(Vertex source) { + this.source = source; + return this; + } + + public Builder target(Vertex target) { + this.target = target; + return this; + } + + public Edge build() { + return new Edge(this); + } + } + + @Override + public String toString() { + return "Edge [id=" + id + ", type=" + type + ", properties=" + properties + ", source=" + source + ", target=" + + target + "]"; + } + + public String toJson() { + return gson.toJson(this); + } + + public String toJson(Gson customGson) { + return customGson.toJson(this); + } + + public static Edge fromJson(String jsonString) { + return gson.fromJson(jsonString, Edge.class); + } + + public Optional<String> getId() { + return id; + } + + public String getType() { + return type; + } + + public Map<String, Object> getProperties() { + return properties; + } + + public Vertex getSource() { + return source; + } + + public Vertex getTarget() { + return target; + } + +} diff --git a/src/main/java/org/onap/crud/entity/Vertex.java b/src/main/java/org/onap/crud/entity/Vertex.java new file mode 100644 index 0000000..42d0eef --- /dev/null +++ b/src/main/java/org/onap/crud/entity/Vertex.java @@ -0,0 +1,115 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.entity; + +import net.dongliu.gson.GsonJava8TypeAdapterFactory; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.annotations.SerializedName; + +import java.util.HashMap; +import java.util.Map; +import java.util.Optional; + +public class Vertex { + private static final Gson gson = new GsonBuilder().registerTypeAdapterFactory(new GsonJava8TypeAdapterFactory()) + .create(); + + @SerializedName(value = "id", alternate = { "key" }) + private final Optional<String> id; + + private final String type; + private final Map<String, Object> properties; + + private Vertex(Builder builder) { + this.id = builder.id; + this.type = builder.type; + this.properties = builder.properties; + } + + public static class Builder { + private Optional<String> id = Optional.empty(); + private final String type; + private final Map<String, Object> properties = new HashMap<String, Object>(); + + public Builder(String type) { + if (type == null) { + throw new IllegalArgumentException("Type cannot be null"); + } + this.type = type; + } + + public Builder id(String id) { + if (id == null) { + throw new IllegalArgumentException("id cannot be null"); + } + + this.id = Optional.of(id); + return this; + } + + public Builder property(String key, Object value) { + if (key == null || value == null) { + throw new IllegalArgumentException("Property key/value cannot be null"); + } + properties.put(key, value); + return this; + } + + public Vertex build() { + return new Vertex(this); + } + } + + public String toJson() { + return gson.toJson(this); + } + + public String toJson(Gson customGson) { + return customGson.toJson(this); + } + + public static Vertex fromJson(String jsonString) { + return gson.fromJson(jsonString, Vertex.class); + } + + @Override + public String toString() { + return "Vertex [id=" + id + ", type=" + type + ", properties=" + properties + "]"; + } + + public Optional<String> getId() { + return id; + } + + public String getType() { + return type; + } + + public Map<String, Object> getProperties() { + return properties; + } + +} diff --git a/src/main/java/org/onap/crud/event/GraphEvent.java b/src/main/java/org/onap/crud/event/GraphEvent.java new file mode 100644 index 0000000..9e9c44c --- /dev/null +++ b/src/main/java/org/onap/crud/event/GraphEvent.java @@ -0,0 +1,235 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.event; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.annotations.SerializedName; + +import org.onap.crud.exception.CrudException; + +import javax.ws.rs.core.Response.Status; + +public class GraphEvent { + + public enum GraphEventOperation { + CREATE, UPDATE, DELETE + } + + public enum GraphEventResult { + SUCCESS, FAILURE + } + + private GraphEventOperation operation; + + @SerializedName("transaction-id") + private String transactionId; + + private long timestamp; + + private GraphEventVertex vertex; + + private GraphEventEdge edge; + + private GraphEventResult result; + + @SerializedName("error-message") + private String errorMessage; + + private Status httpErrorStatus; + + /** + * Marshaller/unmarshaller for converting to/from JSON. + */ + private static final Gson gson = new GsonBuilder().disableHtmlEscaping() + .setPrettyPrinting().create(); + + public static Builder builder(GraphEventOperation operation) { + return new Builder(operation); + } + + public GraphEventOperation getOperation() { + return operation; + } + + public String getTransactionId() { + return transactionId; + } + + public long getTimestamp() { + return timestamp; + } + + public GraphEventVertex getVertex() { + return vertex; + } + + public GraphEventEdge getEdge() { + return edge; + } + + public GraphEventResult getResult() { + return result; + } + + public String getErrorMessage() { + return errorMessage; + } + + public void setResult(GraphEventResult result) { + this.result = result; + } + + + public Status getHttpErrorStatus() { + return httpErrorStatus; + } + + public void setHttpErrorStatus(Status httpErrorStatus) { + this.httpErrorStatus = httpErrorStatus; + } + + public void setTimestamp(long timestamp) { + this.timestamp = timestamp; + } + + public void setErrorMessage(String errorMessage) { + this.errorMessage = errorMessage; + } + + public void setVertex(GraphEventVertex vertex) { + this.vertex = vertex; + } + + public void setEdge(GraphEventEdge edge) { + this.edge = edge; + } + + /** + * Unmarshalls this Vertex object into a JSON string. + * + * @return - A JSON format string representation of this Vertex. + */ + public String toJson() { + return gson.toJson(this); + } + + /** + * Marshalls the provided JSON string into a Vertex object. + * + * @param json - The JSON string to produce the Vertex from. + * @return - A Vertex object. + * @throws SpikeException + */ + public static GraphEvent fromJson(String json) throws CrudException { + + try { + + // Make sure that we were actually provided a non-empty string + // before we + // go any further. + if (json == null || json.isEmpty()) { + throw new CrudException("Empty or null JSON string.", Status.BAD_REQUEST); + } + + // Marshall the string into a Vertex object. + return gson.fromJson(json, GraphEvent.class); + + } catch (Exception ex) { + throw new CrudException("Unable to parse JSON string: ", Status.BAD_REQUEST); + } + } + + @Override + public String toString() { + + return toJson(); + } + + public String getObjectKey() { + if (this.getVertex() != null) { + return this.getVertex().getId(); + } else if (this.getEdge() != null) { + return this.getEdge().getId(); + } + + return null; + + } + + public String getObjectType() { + if (this.getVertex() != null) { + return "vertex->" + this.getVertex().getType(); + } else if (this.getEdge() != null) { + return "edge->" + this.getEdge().getType(); + } + + return null; + + } + + public static class Builder { + + GraphEvent event = null; + + public Builder(GraphEventOperation operation) { + event = new GraphEvent(); + event.operation = operation; + } + + public Builder vertex(GraphEventVertex vertex) { + event.vertex = vertex; + return this; + } + + public Builder edge(GraphEventEdge edge) { + event.edge = edge; + return this; + } + + public Builder result(GraphEventResult result) { + event.result = result; + return this; + } + + public Builder errorMessage(String errorMessage) { + event.errorMessage = errorMessage; + return this; + } + + public Builder httpErrorStatus(Status httpErrorStatus) { + event.httpErrorStatus = httpErrorStatus; + return this; + } + + public GraphEvent build() { + + event.timestamp = System.currentTimeMillis(); + event.transactionId = java.util.UUID.randomUUID().toString(); + + return event; + } + } + +} diff --git a/src/main/java/org/onap/crud/event/GraphEventEdge.java b/src/main/java/org/onap/crud/event/GraphEventEdge.java new file mode 100644 index 0000000..58ea4a7 --- /dev/null +++ b/src/main/java/org/onap/crud/event/GraphEventEdge.java @@ -0,0 +1,212 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.event; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import com.google.gson.annotations.SerializedName; +import com.google.gson.reflect.TypeToken; + +import org.onap.crud.entity.Edge; +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; + +import java.util.Map; +import javax.ws.rs.core.Response.Status; + +/** + * This class provides a generic representation of an Edge as provided by the + * graph data store. + */ +public class GraphEventEdge { + + /** + * The unique identifier used to identify this edge in the graph data store. + */ + @SerializedName("key") + private String id; + + @SerializedName("schema-version") + private String modelVersion; + + /** + * Type label assigned to this vertex. + */ + private String type; + + /** + * Source vertex for our edge. + */ + private GraphEventVertex source; + + /** + * Target vertex for our edge. + */ + private GraphEventVertex target; + + /** + * Map of all of the properties assigned to this vertex. + */ + private JsonElement properties; + + /** + * Marshaller/unmarshaller for converting to/from JSON. + */ + private static final Gson gson = new GsonBuilder().disableHtmlEscaping().create(); + + public GraphEventEdge(String id, String modelVersion, String type, GraphEventVertex source, + GraphEventVertex target, JsonElement properties) { + this.id = id; + this.modelVersion = modelVersion; + this.type = type; + this.source = source; + this.target = target; + this.properties = properties; + } + + public GraphEventEdge() { + + } + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + + public GraphEventVertex getSource() { + return source; + } + + public void setSource(GraphEventVertex source) { + this.source = source; + } + + public GraphEventVertex getTarget() { + return target; + } + + public void setTarget(GraphEventVertex target) { + this.target = target; + } + + public JsonElement getProperties() { + return properties; + } + + public void setProperties(JsonElement properties) { + this.properties = properties; + } + + public String getModelVersion() { + return modelVersion; + } + + public void setModelVersion(String modelVersion) { + this.modelVersion = modelVersion; + } + + /** + * Unmarshalls this Edge object into a JSON string. + * + * @return - A JSON format string representation of this Edge. + */ + public String toJson() { + return gson.toJson(this); + } + + /** + * Marshalls the provided JSON string into a Edge object. + * + * @param json - The JSON string to produce the Edge from. + * @return - A Edge object. + * @throws SpikeException + */ + public static GraphEventEdge fromJson(String json) throws CrudException { + + try { + + // Make sure that we were actually provided a non-empty string + // before we + // go any further. + if (json == null || json.isEmpty()) { + throw new CrudException("Unable to parse JSON string: ", Status.BAD_REQUEST); + } + + // Marshall the string into an Edge object. + return gson.fromJson(json, GraphEventEdge.class); + + } catch (Exception ex) { + throw new CrudException("Unable to parse JSON string: ", Status.BAD_REQUEST); + } + } + + public static GraphEventEdge fromEdge(Edge edge, String modelVersion) { + + java.lang.reflect.Type mapType = new TypeToken<Map<String, Object>>() {}.getType(); + JsonObject props = gson.toJsonTree(edge.getProperties(), mapType).getAsJsonObject(); + + GraphEventEdge graphEventEdge = new GraphEventEdge(edge.getId().orElse(""), modelVersion, + edge.getType(), new GraphEventVertex(edge.getSource().getId().orElse(""), null, + edge.getSource().getType(), null), new GraphEventVertex(edge.getTarget().getId().orElse(""), + null, edge.getTarget().getType(), null), props); + + return graphEventEdge; + + } + + public Edge toEdge() { + Edge.Builder builder = new Edge.Builder(this.getType()).id(this.getId()); + if (this.getSource() != null) { + builder.source(new Vertex.Builder(this.getSource().getType()).id(this.getSource().getId()) + .build()); + } + if (this.getTarget() != null) { + builder.target(new Vertex.Builder(this.getTarget().getType()).id(this.getTarget().getId()) + .build()); + } + + if (this.getProperties() != null) { + java.lang.reflect.Type mapType = new TypeToken<Map<String, Object>>() {}.getType(); + Map<String, Object> propertiesMap = gson.fromJson(this.getProperties(), mapType); + for (String key : propertiesMap.keySet()) { + builder.property(key, propertiesMap.get(key)); + } + } + return builder.build(); + + } +} diff --git a/src/main/java/org/onap/crud/event/GraphEventVertex.java b/src/main/java/org/onap/crud/event/GraphEventVertex.java new file mode 100644 index 0000000..d9a06d4 --- /dev/null +++ b/src/main/java/org/onap/crud/event/GraphEventVertex.java @@ -0,0 +1,181 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.event; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import com.google.gson.annotations.SerializedName; +import com.google.gson.reflect.TypeToken; + +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; + +import java.util.Map; +import javax.ws.rs.core.Response.Status; + +/** + * This class provides a generic representation of a Vertex as provided by the + * graph data store. + */ +public class GraphEventVertex { + + /** + * The unique identifier used to identify this vertex in the graph data + * store. + */ + @SerializedName("key") + private String id; + + @SerializedName("schema-version") + private String modelVersion; + + /** + * Type label assigned to this vertex. + */ + private String type; + + /** + * Map of all of the properties assigned to this vertex. + */ + private JsonElement properties; + + /** + * Marshaller/unmarshaller for converting to/from JSON. + */ + private static final Gson gson = new GsonBuilder().disableHtmlEscaping().create(); + + public GraphEventVertex(String id, String modelVersion, String type, JsonElement properties) { + this.id = id; + this.modelVersion = modelVersion; + this.type = type; + this.properties = properties; + } + + public GraphEventVertex() { + + } + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + + + public JsonElement getProperties() { + return properties; + } + + public void setProperties(JsonElement properties) { + this.properties = properties; + } + + public String getModelVersion() { + return modelVersion; + } + + public void setModelVersion(String modelVersion) { + this.modelVersion = modelVersion; + } + + /** + * Unmarshalls this Vertex object into a JSON string. + * + * @return - A JSON format string representation of this Vertex. + */ + public String toJson() { + return gson.toJson(this); + } + + /** + * Marshalls the provided JSON string into a Vertex object. + * + * @param json - The JSON string to produce the Vertex from. + * @return - A Vertex object. + * @throws SpikeException + */ + public static GraphEventVertex fromJson(String json) throws CrudException { + + try { + + // Make sure that we were actually provided a non-empty string + // before we + // go any further. + if (json == null || json.isEmpty()) { + throw new CrudException("Empty or null JSON string.", Status.BAD_REQUEST); + } + + // Marshall the string into a Vertex object. + return gson.fromJson(json, GraphEventVertex.class); + + } catch (Exception ex) { + throw new CrudException("Unable to parse JSON string: ", Status.BAD_REQUEST); + } + } + + @Override + public String toString() { + + return toJson(); + } + + public static GraphEventVertex fromVertex(Vertex vertex, String modelVersion) { + + java.lang.reflect.Type mapType = new TypeToken<Map<String, Object>>() {}.getType(); + JsonObject props = gson.toJsonTree(vertex.getProperties(), mapType).getAsJsonObject(); + GraphEventVertex graphEventVertex = new GraphEventVertex(vertex.getId().orElse(""), + modelVersion, vertex.getType(), props); + return graphEventVertex; + + } + + public Vertex toVertex() { + Vertex.Builder builder = new Vertex.Builder(this.getType()).id(this.getId()); + + if (this.getProperties() != null) { + java.lang.reflect.Type mapType = new TypeToken<Map<String, Object>>() {}.getType(); + Map<String, Object> propertiesMap = gson.fromJson(this.getProperties(), mapType); + for (String key : propertiesMap.keySet()) { + builder.property(key, propertiesMap.get(key)); + } + } + + return builder.build(); + + } + + +} diff --git a/src/main/java/org/onap/crud/exception/CrudException.java b/src/main/java/org/onap/crud/exception/CrudException.java new file mode 100644 index 0000000..a3d3127 --- /dev/null +++ b/src/main/java/org/onap/crud/exception/CrudException.java @@ -0,0 +1,62 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.exception; + +import javax.ws.rs.core.Response.Status; + +public class CrudException extends Exception { + + private static final long serialVersionUID = 8162385108397238865L; + + private Status httpStatus; + + public CrudException() { + } + + public CrudException(String message, Status httpStatus) { + super(message); + this.setHttpStatus(httpStatus); + } + + public CrudException(Throwable cause) { + super(cause); + } + + public CrudException(String message, Throwable cause) { + super(message, cause); + } + + public CrudException(String message, Throwable cause, boolean enableSuppression, + boolean writableStackTrace) { + super(message, cause, enableSuppression, writableStackTrace); + } + + public Status getHttpStatus() { + return httpStatus; + } + + public void setHttpStatus(Status httpStatus) { + this.httpStatus = httpStatus; + } +} diff --git a/src/main/java/org/onap/crud/logging/CrudServiceMsgs.java b/src/main/java/org/onap/crud/logging/CrudServiceMsgs.java new file mode 100644 index 0000000..6b04a0f --- /dev/null +++ b/src/main/java/org/onap/crud/logging/CrudServiceMsgs.java @@ -0,0 +1,87 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.logging; + +import com.att.eelf.i18n.EELFResourceManager; + +import org.onap.aai.cl.eelf.LogMessageEnum; + +public enum CrudServiceMsgs implements LogMessageEnum { + + /** + * Received request {0} {1} from {2}. Sending response: {3} + * + * <p> + * Arguments: {0} = operation {1} = target URL {2} = source {3} = response + * code + */ + PROCESS_REST_REQUEST, + + INVALID_OXM_FILE, INVALID_OXM_DIR, OXM_FILE_CHANGED, TRANSACTION, + + /** + * Successfully loaded schema: {0} + * + * <p> + * Arguments: {0} = oxm filename + */ + LOADED_OXM_FILE, + + /** + * Unable to load OXM schema: {0} + * + * <p> + * Arguments: {0} = error + */ + OXM_LOAD_ERROR, + + /** + * Stopping ChampDAO... + * + * <p> + * Arguments: + */ + STOPPING_CHAMP_DAO, + + /** + * Failure instantiating CRUD Rest Service. Cause: {0} + * + * <p> + * Arguments: {0} - Failure cause. + */ + INSTANTIATE_AUTH_ERR, + + /** + * Arguments: {0} Opertaion {1} URI {2} = Exception + */ + EXCEPTION_DURING_METHOD_CALL; + + /** + * Static initializer to ensure the resource bundles for this class are + * loaded... + */ + static { + EELFResourceManager.loadMessageBundle("logging/CrudServiceMsgs"); + } +} diff --git a/src/main/java/org/onap/crud/logging/LoggingUtil.java b/src/main/java/org/onap/crud/logging/LoggingUtil.java new file mode 100644 index 0000000..453dc9d --- /dev/null +++ b/src/main/java/org/onap/crud/logging/LoggingUtil.java @@ -0,0 +1,82 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.logging; + +import org.onap.aai.cl.api.LogFields; +import org.onap.aai.cl.api.LogLine; +import org.onap.aai.cl.api.Logger; +import org.onap.aai.cl.mdc.MdcContext; +import org.onap.crud.util.CrudServiceConstants; +import org.slf4j.MDC; + +import javax.servlet.http.HttpServletRequest; +import javax.ws.rs.core.HttpHeaders; +import javax.ws.rs.core.Response; + +public class LoggingUtil { + /** + * Initializes mdc context. + */ + public static void initMdcContext(HttpServletRequest httpReq, HttpHeaders headers) { + String fromIp = httpReq.getRemoteAddr(); + String fromAppId = ""; + String transId = null; + + if (headers.getRequestHeaders().getFirst("X-FromAppId") != null) { + fromAppId = headers.getRequestHeaders().getFirst("X-FromAppId"); + } + + if ((headers.getRequestHeaders().getFirst("X-TransactionId") == null) + || headers.getRequestHeaders().getFirst("X-TransactionId").isEmpty()) { + transId = java.util.UUID.randomUUID().toString(); + } else { + transId = headers.getRequestHeaders().getFirst("X-TransactionId"); + } + + MdcContext.initialize(transId, CrudServiceConstants.CRD_SERVICE_NAME, "", fromAppId, fromIp); + } + + /** + * Logs the rest request. + */ + public static void logRestRequest(Logger logger, Logger auditLogger, HttpServletRequest req, Response response) { + String respStatusString = ""; + if (Response.Status.fromStatusCode(response.getStatus()) != null) { + respStatusString = Response.Status.fromStatusCode(response.getStatus()).toString(); + } + + // Generate error log + logger.info(CrudServiceMsgs.PROCESS_REST_REQUEST, req.getMethod(), req.getRequestURL().toString(), + req.getRemoteHost(), Integer.toString(response.getStatus())); + + // Generate audit log. + auditLogger.info(CrudServiceMsgs.PROCESS_REST_REQUEST, + new LogFields().setField(LogLine.DefinedFields.RESPONSE_CODE, response.getStatus()) + .setField(LogLine.DefinedFields.RESPONSE_DESCRIPTION, respStatusString), + (req != null) ? req.getMethod() : "Unknown", (req != null) ? req.getRequestURL().toString() : "Unknown", + (req != null) ? req.getRemoteHost() : "Unknown", Integer.toString(response.getStatus()) + " payload: " + + (response.getEntity() == null ? "" : response.getEntity().toString())); + MDC.clear(); + } +} diff --git a/src/main/java/org/onap/crud/parser/CrudResponseBuilder.java b/src/main/java/org/onap/crud/parser/CrudResponseBuilder.java new file mode 100644 index 0000000..62d1408 --- /dev/null +++ b/src/main/java/org/onap/crud/parser/CrudResponseBuilder.java @@ -0,0 +1,212 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.parser; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import javax.ws.rs.core.Response.Status; + +import org.onap.crud.entity.Edge; +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; +import org.onap.crud.service.BulkPayload; +import org.onap.crud.service.EdgePayload; +import org.onap.crud.service.VertexPayload; +import org.onap.schema.RelationshipSchemaLoader; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.JsonArray; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; + +public class CrudResponseBuilder { + + private static final Gson gson = new GsonBuilder().create(); + + public static final String SOURCE = "source"; + public static final String TARGET = "target"; + public static final String URL_BASE = "services/inventory/"; + + public static String buildUpsertBulkResponse(HashMap<String, Vertex> vertices, HashMap<String, Edge> edges, + String version, BulkPayload incomingPayload) throws CrudException { + + for (JsonElement e : incomingPayload.getObjects()) { + List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>( + e.getAsJsonObject().entrySet()); + + Map.Entry<String, JsonElement> item = entries.get(1); + + Vertex responseVertex = vertices.get(item.getKey()); + if (responseVertex != null) { + JsonObject v = gson.fromJson(buildUpsertVertexResponse(responseVertex, version), JsonObject.class); + item.setValue(v); + } else { + item.setValue(gson.fromJson("{}", JsonObject.class)); + } + + } + for (JsonElement e : incomingPayload.getRelationships()) { + List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>( + e.getAsJsonObject().entrySet()); + + Map.Entry<String, JsonElement> item = entries.get(1); + + Edge responseEdge = edges.get(item.getKey()); + if (responseEdge != null) { + JsonObject v = gson.fromJson(buildUpsertEdgeResponse(responseEdge, version), JsonObject.class); + item.setValue(v); + } else { + item.setValue(gson.fromJson("{}", JsonObject.class)); + } + + } + return incomingPayload.toJson(); + } + + public static String buildUpsertVertexResponse(Vertex vertex, String version) throws CrudException { + VertexPayload payload = new VertexPayload(); + payload.setId(vertex.getId().get()); + payload.setType(vertex.getType()); + payload.setUrl(URL_BASE + version + "/" + vertex.getType() + "/" + vertex.getId().get()); + JsonObject props = new JsonObject(); + for (String key : vertex.getProperties().keySet()) { + addJsonProperperty(props, key, vertex.getProperties().get(key)); + } + payload.setProperties(props); + return payload.toJson(); + } + + public static String buildUpsertEdgeResponse(Edge edge, String version) throws CrudException { + return buildGetEdgeResponse(edge, version); + } + + public static String buildGetVertexResponse(Vertex vertex, List<Edge> edges, String version) throws CrudException { + VertexPayload vertexPayload = new VertexPayload(); + vertexPayload.setId(vertex.getId().get()); + vertexPayload.setType(vertex.getType()); + vertexPayload.setUrl(URL_BASE + version + "/" + vertex.getType() + "/" + vertex.getId().get()); + JsonObject props = new JsonObject(); + for (String key : vertex.getProperties().keySet()) { + addJsonProperperty(props, key, vertex.getProperties().get(key)); + } + vertexPayload.setProperties(props); + List<EdgePayload> inEdges = new ArrayList<EdgePayload>(); + List<EdgePayload> outEdges = new ArrayList<EdgePayload>(); + for (Edge e : edges) { + if (e.getTarget().getId().get().equals(vertex.getId().get())) { + EdgePayload inEdge = new EdgePayload(); + inEdge.setId(e.getId().get()); + inEdge.setType(e.getType()); + inEdge.setUrl(URL_BASE + "relationships/" + RelationshipSchemaLoader.getLatestSchemaVersion() + "/" + + e.getType() + "/" + e.getId().get()); + inEdge.setSource(URL_BASE + version + "/" + e.getSource().getType() + "/" + e.getSource().getId().get()); + + inEdges.add(inEdge); + } else if (e.getSource().getId().get().equals(vertex.getId().get())) { + EdgePayload outEdge = new EdgePayload(); + outEdge.setId(e.getId().get()); + outEdge.setType(e.getType()); + outEdge.setUrl(URL_BASE + "relationships/" + RelationshipSchemaLoader.getLatestSchemaVersion() + "/" + + e.getType() + "/" + e.getId().get()); + outEdge.setTarget(URL_BASE + version + "/" + e.getTarget().getType() + "/" + e.getTarget().getId().get()); + outEdges.add(outEdge); + } + } + + vertexPayload.setIn(inEdges); + vertexPayload.setOut(outEdges); + + return vertexPayload.toJson(); + } + + public static String buildGetVerticesResponse(List<Vertex> items, String version) throws CrudException { + + JsonArray arry = new JsonArray(); + for (Vertex v : items) { + JsonObject item = new JsonObject(); + item.addProperty("id", v.getId().get()); + item.addProperty("type", v.getType()); + item.addProperty("url", "services/inventory/" + version + "/" + v.getType() + "/" + v.getId().get()); + + arry.add(item); + } + + return gson.toJson(arry); + } + + public static String buildGetEdgeResponse(Edge edge, String version) throws CrudException { + + EdgePayload payload = new EdgePayload(); + payload.setId(edge.getId().get()); + payload.setType(edge.getType()); + payload.setUrl(URL_BASE + "relationships/" + version + "/" + edge.getType() + "/" + edge.getId().get()); + payload.setSource(URL_BASE + version + "/" + edge.getSource().getType() + "/" + edge.getSource().getId().get()); + payload.setTarget(URL_BASE + version + "/" + edge.getTarget().getType() + "/" + edge.getTarget().getId().get()); + + JsonObject props = new JsonObject(); + for (String key : edge.getProperties().keySet()) { + addJsonProperperty(props, key, edge.getProperties().get(key)); + } + payload.setProperties(props); + return payload.toJson(); + } + + public static String buildGetEdgesResponse(List<Edge> items, String version) throws CrudException { + + JsonArray arry = new JsonArray(); + for (Edge e : items) { + JsonObject item = new JsonObject(); + item.addProperty("id", e.getId().get()); + item.addProperty("type", e.getType()); + item.addProperty("url", URL_BASE + "relationships/" + version + "/" + e.getType() + "/" + e.getId().get()); + item.addProperty(SOURCE, + "services/inventory/" + version + "/" + e.getSource().getType() + "/" + e.getSource().getId().get()); + item.addProperty(TARGET, + "services/inventory/" + version + "/" + e.getTarget().getType() + "/" + e.getTarget().getId().get()); + arry.add(item); + } + + return gson.toJson(arry); + } + + private static void addJsonProperperty(JsonObject jsonObj, String key, Object value) { + if (value instanceof Integer) { + jsonObj.addProperty(key, (Integer) value); + } else if (value instanceof Boolean) { + jsonObj.addProperty(key, (Boolean) value); + } else if (value instanceof Double) { + jsonObj.addProperty(key, (Double) value); + } else if (value instanceof String) { + jsonObj.addProperty(key, (String) value); + } else { + jsonObj.addProperty(key, value.toString()); + } + } + +} diff --git a/src/main/java/org/onap/crud/service/AaiResourceService.java b/src/main/java/org/onap/crud/service/AaiResourceService.java new file mode 100644 index 0000000..2e4464d --- /dev/null +++ b/src/main/java/org/onap/crud/service/AaiResourceService.java @@ -0,0 +1,533 @@ +/**
+ * ============LICENSE_START=======================================================
+ * Gizmo
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+package org.onap.crud.service;
+
+import java.security.cert.X509Certificate;
+import java.util.AbstractMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import javax.security.auth.x500.X500Principal;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.Encoded;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
+import javax.ws.rs.core.Response.Status;
+
+import org.onap.aai.exceptions.AAIException;
+import org.onap.aai.serialization.db.EdgeProperty;
+import org.onap.aai.serialization.db.EdgeRule;
+import org.onap.aai.serialization.db.EdgeRules;
+import org.onap.aai.serialization.db.EdgeType;
+import org.openecomp.auth.Auth;
+import org.onap.aai.cl.api.Logger;
+import org.onap.aai.cl.eelf.LoggerFactory;
+import org.onap.crud.exception.CrudException;
+import org.onap.crud.logging.CrudServiceMsgs;
+import org.onap.crud.logging.LoggingUtil;
+import org.onap.crud.service.CrudRestService.Action;
+import org.onap.crud.util.CrudServiceConstants;
+import org.onap.schema.RelationshipSchemaLoader;
+import org.onap.schema.RelationshipSchemaValidator;
+import org.slf4j.MDC;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+
+
+/**
+ * This defines a set of REST endpoints which allow clients to create or update graph edges
+ * where the edge rules defined by the A&AI will be invoked to automatically populate the
+ * defined edge properties.
+ */
+public class AaiResourceService {
+
+ private String mediaType = MediaType.APPLICATION_JSON;
+ public static final String HTTP_PATCH_METHOD_OVERRIDE = "X-HTTP-Method-Override";
+
+ private Auth auth;
+ CrudGraphDataService crudGraphDataService;
+ Gson gson = new Gson();
+
+ private Logger logger = LoggerFactory.getInstance().getLogger(AaiResourceService.class.getName());
+ private Logger auditLogger = LoggerFactory.getInstance().getAuditLogger(AaiResourceService.class.getName());
+
+ public AaiResourceService() {}
+
+ /**
+ * Creates a new instance of the AaiResourceService.
+ *
+ * @param crudGraphDataService - Service used for interacting with the graph.
+ *
+ * @throws Exception
+ */
+ public AaiResourceService(CrudGraphDataService crudGraphDataService) throws Exception {
+ this.crudGraphDataService = crudGraphDataService;
+ this.auth = new Auth(CrudServiceConstants.CRD_AUTH_FILE);
+ }
+
+ /**
+ * Perform any one-time initialization required when starting the service.
+ */
+ public void startup() {
+
+ if(logger.isDebugEnabled()) {
+ logger.debug("AaiResourceService started!");
+ }
+ }
+
+
+ /**
+ * Creates a new relationship in the graph, automatically populating the edge
+ * properties based on the A&AI edge rules.
+ *
+ * @param content - Json structure describing the relationship to create.
+ * @param type - Relationship type supplied as a URI parameter.
+ * @param uri - Http request uri
+ * @param headers - Http request headers
+ * @param uriInfo - Http URI info field
+ * @param req - Http request structure.
+ *
+ * @return - Standard HTTP response.
+ */
+ @POST
+ @Path("/relationships/{type}/")
+ @Consumes({MediaType.APPLICATION_JSON})
+ @Produces({MediaType.APPLICATION_JSON})
+ public Response createRelationship(String content,
+ @PathParam("type") String type,
+ @PathParam("uri") @Encoded String uri,
+ @Context HttpHeaders headers,
+ @Context UriInfo uriInfo,
+ @Context HttpServletRequest req) {
+
+ LoggingUtil.initMdcContext(req, headers);
+
+ if(logger.isDebugEnabled()) {
+ logger.debug("Incoming request..." + content);
+ }
+
+ Response response = null;
+
+ if (validateRequest(req, uri, content, Action.POST, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) {
+
+ try {
+
+ // Extract the edge payload from the request.
+ EdgePayload payload = EdgePayload.fromJson(content);
+
+ // Do some basic validation on the payload.
+ if (payload.getProperties() == null || payload.getProperties().isJsonNull()) {
+ throw new CrudException("Invalid request Payload", Status.BAD_REQUEST);
+ }
+ if (payload.getId() != null) {
+ throw new CrudException("ID specified , use Http PUT to update Edge", Status.BAD_REQUEST);
+ }
+ if (payload.getType() != null && !payload.getType().equals(type)) {
+ throw new CrudException("Edge Type mismatch", Status.BAD_REQUEST);
+ }
+
+ // Apply the edge rules to our edge.
+ payload = applyEdgeRulesToPayload(payload);
+
+ if(logger.isDebugEnabled()) {
+ logger.debug("Creating AAI edge using version " + RelationshipSchemaLoader.getLatestSchemaVersion() );
+ }
+
+ // Now, create our edge in the graph store.
+ String result = crudGraphDataService.addEdge(RelationshipSchemaLoader.getLatestSchemaVersion(), type, payload);
+ response = Response.status(Status.CREATED).entity(result).type(mediaType).build();
+
+ } catch (CrudException e) {
+
+ response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
+ }
+ }
+
+ LoggingUtil.logRestRequest(logger, auditLogger, req, response);
+ return response;
+ }
+
+
+ /**
+ * Creates a new relationship in the graph, automatically populating the edge
+ * properties based on the A&AI edge rules.
+ *
+ * @param content - Json structure describing the relationship to create.
+ * @param uri - Http request uri
+ * @param headers - Http request headers
+ * @param uriInfo - Http URI info field
+ * @param req - Http request structure.
+ *
+ * @return - Standard HTTP response.
+ *
+ */
+ @POST
+ @Path("/relationships/")
+ @Consumes({MediaType.APPLICATION_JSON})
+ @Produces({MediaType.APPLICATION_JSON})
+ public Response createRelationship(String content,
+ @PathParam("uri") @Encoded String uri,
+ @Context HttpHeaders headers,
+ @Context UriInfo uriInfo,
+ @Context HttpServletRequest req) {
+
+ LoggingUtil.initMdcContext(req, headers);
+
+ logger.debug("Incoming request..." + content);
+ Response response = null;
+
+ if (validateRequest(req, uri, content, Action.POST, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) {
+
+ try {
+
+ // Extract the edge payload from the request.
+ EdgePayload payload = EdgePayload.fromJson(content);
+
+ // Do some basic validation on the payload.
+ if (payload.getProperties() == null || payload.getProperties().isJsonNull()) {
+ throw new CrudException("Invalid request Payload", Status.BAD_REQUEST);
+ }
+ if (payload.getId() != null) {
+ throw new CrudException("ID specified , use Http PUT to update Edge", Status.BAD_REQUEST);
+ }
+ if (payload.getType() == null || payload.getType().isEmpty()) {
+ throw new CrudException("Missing Edge Type ", Status.BAD_REQUEST);
+ }
+
+ // Apply the edge rules to our edge.
+ payload = applyEdgeRulesToPayload(payload);
+
+ // Now, create our edge in the graph store.
+ String result = crudGraphDataService.addEdge(RelationshipSchemaLoader.getLatestSchemaVersion(), payload.getType(), payload);
+ response = Response.status(Status.CREATED).entity(result).type(mediaType).build();
+
+ } catch (CrudException ce) {
+ response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build();
+ } catch (Exception e) {
+ response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
+ }
+ } else {
+ response = Response.status(Status.FORBIDDEN).entity(content)
+ .type(MediaType.APPLICATION_JSON).build();
+ }
+
+ LoggingUtil.logRestRequest(logger, auditLogger, req, response);
+ return response;
+ }
+
+
+
+ /**
+ * Upserts a relationship into the graph, automatically populating the edge properties
+ * based on the A&AI edge rules. The behaviour is as follows:
+ * <p>
+ * <li>If no relationship with the supplied identifier already exists, then a new relationship
+ * is created with that id.<br>
+ * <li>If a relationship with the supplied id DOES exist, then it is replaced with the supplied
+ * content.
+ *
+ * @param content - Json structure describing the relationship to create.
+ * @param type - Relationship type supplied as a URI parameter.
+ * @param id - Edge identifier.
+ * @param uri - Http request uri
+ * @param headers - Http request headers
+ * @param uriInfo - Http URI info field
+ * @param req - Http request structure.
+ *
+ * @return - Standard HTTP response.
+ */
+ @PUT
+ @Path("/relationships/{type}/{id}")
+ @Consumes({MediaType.APPLICATION_JSON})
+ @Produces({MediaType.APPLICATION_JSON})
+ public Response upsertEdge(String content,
+ @PathParam("type") String type,
+ @PathParam("id") String id,
+ @PathParam("uri") @Encoded String uri,
+ @Context HttpHeaders headers,
+ @Context UriInfo uriInfo,
+ @Context HttpServletRequest req) {
+ LoggingUtil.initMdcContext(req, headers);
+
+ logger.debug("Incoming request..." + content);
+ Response response = null;
+
+ if (validateRequest(req, uri, content, Action.PUT, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) {
+
+ try {
+
+ // Extract the edge payload from the request.
+ EdgePayload payload = EdgePayload.fromJson(content);
+
+ // Do some basic validation on the payload.
+ if (payload.getProperties() == null || payload.getProperties().isJsonNull()) {
+ throw new CrudException("Invalid request Payload", Status.BAD_REQUEST);
+ }
+ if (payload.getId() != null && !payload.getId().equals(id)) {
+ throw new CrudException("ID Mismatch", Status.BAD_REQUEST);
+ }
+
+ // Apply the edge rules to our edge.
+ payload = applyEdgeRulesToPayload(payload);
+
+ String result;
+ if (headers.getRequestHeaders().getFirst(HTTP_PATCH_METHOD_OVERRIDE) != null &&
+ headers.getRequestHeaders().getFirst(HTTP_PATCH_METHOD_OVERRIDE).equalsIgnoreCase("PATCH")) {
+ result = crudGraphDataService.patchEdge(RelationshipSchemaLoader.getLatestSchemaVersion(), id, type, payload);
+ } else {
+
+ result = crudGraphDataService.updateEdge(RelationshipSchemaLoader.getLatestSchemaVersion(), id, type, payload);
+ }
+
+ response = Response.status(Status.OK).entity(result).type(mediaType).build();
+
+ } catch (CrudException ce) {
+ response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build();
+ } catch (Exception e) {
+ response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build();
+ }
+
+ } else {
+
+ response = Response.status(Status.FORBIDDEN).entity(content)
+ .type(MediaType.APPLICATION_JSON).build();
+ }
+
+ LoggingUtil.logRestRequest(logger, auditLogger, req, response);
+ return response;
+ }
+
+
+ /**
+ * Retrieves the properties defined in the edge rules for a relationship between the
+ * supplied vertex types.
+ *
+ * @param sourceVertexType - Type of source vertex for the relationship.
+ * @param targetVertexType - Type of target vertex for the relationship.
+ *
+ * @return - The defined properties for the relationship type.
+ *
+ * @throws CrudException
+ */
+ private Map<EdgeProperty, String> getEdgeRuleProperties(String sourceVertexType, String targetVertexType) throws CrudException {
+
+ if(logger.isDebugEnabled()) {
+ logger.debug("Lookup db edge rules for " + sourceVertexType + " -> " + targetVertexType);
+ }
+
+ EdgeRules rules = EdgeRules.getInstance();
+ EdgeRule rule;
+ try {
+
+ if(logger.isDebugEnabled()) {
+ logger.debug("Lookup by edge type TREE");
+ }
+
+ // We have no way of knowing in advance whether our relationship is considered to
+ // be a tree or cousing relationship, so try looking it up as a tree type first.
+ rule = rules.getEdgeRule(EdgeType.TREE, sourceVertexType, targetVertexType);
+
+ } catch (AAIException e) {
+ try {
+
+ if(logger.isDebugEnabled()) {
+ logger.debug("Lookup by edge type COUSIN");
+ }
+
+ // If we are here, then our lookup by 'tree' type failed, so try looking it up
+ // as a 'cousin' relationship.
+ rule = rules.getEdgeRule(EdgeType.COUSIN, sourceVertexType, targetVertexType);
+
+ } catch (AAIException e1) {
+
+ // If we're here then we failed to find edge rules for this relationship. Time to
+ // give up...
+ throw new CrudException("No edge rules for " + sourceVertexType + " -> " + targetVertexType, Status.NOT_FOUND);
+ }
+ } catch (Exception e) {
+
+ throw new CrudException("General failure getting edge rule properties - " +
+ e.getMessage(), Status.INTERNAL_SERVER_ERROR);
+ }
+
+ return rule.getEdgeProperties();
+ }
+
+
+ /**
+ * This method takes an inbound edge request payload, looks up the edge rules for the
+ * sort of relationship defined in the payload, and automatically applies the defined
+ * edge properties to it.
+ *
+ * @param payload - The original edge request payload
+ *
+ * @return - An updated edge request payload, with the properties defined in the edge
+ * rules automatically populated.
+ *
+ * @throws CrudException
+ */
+ public EdgePayload applyEdgeRulesToPayload(EdgePayload payload) throws CrudException {
+
+ // Extract the types for both the source and target vertices.
+ String srcType = RelationshipSchemaValidator.vertexTypeFromUri(payload.getSource());
+ String tgtType = RelationshipSchemaValidator.vertexTypeFromUri(payload.getTarget());
+
+ // Now, get the default properties for this edge based on the edge rules definition...
+ Map<EdgeProperty, String> props = getEdgeRuleProperties(srcType, tgtType);
+
+ // ...and merge them with any custom properties provided in the request.
+ JsonElement mergedProperties = mergeProperties(payload.getProperties(), props);
+ payload.setProperties(mergedProperties);
+
+
+ if(logger.isDebugEnabled()) {
+ logger.debug("Edge properties after applying rules for '" + srcType + " -> " + tgtType + "': " + mergedProperties);
+ }
+
+ return payload;
+ }
+
+
+ /**
+ * Given a set of edge properties extracted from an edge request payload and a set of properties
+ * taken from the db edge rules, this method merges them into one set of properties.
+ * <p>
+ * If the client has attempted to override the defined value for a property in the db edge rules
+ * then the request will be rejected as invalid.
+ *
+ * @param propertiesFromRequest - Set of properties from the edge request.
+ * @param propertyDefaults - Set of properties from the db edge rules.
+ *
+ * @return - A merged set of properties.
+ *
+ * @throws CrudException
+ */
+ public JsonElement mergeProperties(JsonElement propertiesFromRequest, Map<EdgeProperty, String> propertyDefaults) throws CrudException {
+
+ // Convert the properties from the edge payload into something we can
+ // manipulate.
+ Set<Map.Entry<String, JsonElement>> properties = new HashSet<Map.Entry<String, JsonElement>>();
+ properties.addAll(propertiesFromRequest.getAsJsonObject().entrySet());
+
+ Set<String> propertyKeys = new HashSet<String>();
+ for(Map.Entry<String, JsonElement> property : properties) {
+ propertyKeys.add(property.getKey());
+ }
+
+ // Now, merge in the properties specified in the Db Edge Rules.
+ for(EdgeProperty defProperty : propertyDefaults.keySet()) {
+
+ // If the edge rules property was explicitly specified by the
+ // client then we will reject the request...
+ if(!propertyKeys.contains(defProperty.toString())) {
+ properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(defProperty.toString(),
+ (JsonElement)(new JsonPrimitive(propertyDefaults.get(defProperty)))));
+
+ } else {
+ throw new CrudException("Property " + defProperty + " defined in db edge rules can not be overriden by the client.",
+ Status.BAD_REQUEST);
+ }
+ }
+
+ Object[] propArray = properties.toArray();
+ StringBuilder sb = new StringBuilder();
+ sb.append("{");
+ boolean first=true;
+ for(int i=0; i<propArray.length; i++) {
+
+ Map.Entry<String, JsonElement> entry = (Entry<String, JsonElement>) propArray[i];
+ if(!first) {
+ sb.append(",");
+ }
+ sb.append("\"").append(entry.getKey()).append("\"").append(":").append(entry.getValue());
+ first=false;
+ }
+ sb.append("}");
+
+ // We're done. Return the result as a JsonElement.
+ return gson.fromJson(sb.toString(), JsonElement.class);
+ }
+
+
+ /**
+ * Invokes authentication validation on an incoming HTTP request.
+ *
+ * @param req - The HTTP request.
+ * @param uri - HTTP URI
+ * @param content - Payload of the HTTP request.
+ * @param action - What HTTP action is being performed (GET/PUT/POST/PATCH/DELETE)
+ * @param authPolicyFunctionName - Policy function being invoked.
+ *
+ * @return true - if the request passes validation,
+ * false - otherwise.
+ */
+ protected boolean validateRequest(HttpServletRequest req,
+ String uri,
+ String content,
+ Action action,
+ String authPolicyFunctionName) {
+ try {
+ String cipherSuite = (String) req.getAttribute("javax.servlet.request.cipher_suite");
+ String authUser = null;
+ if (cipherSuite != null) {
+
+ X509Certificate[] certChain = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate");
+ X509Certificate clientCert = certChain[0];
+ X500Principal subjectDn = clientCert.getSubjectX500Principal();
+ authUser = subjectDn.toString();
+ }
+
+ return this.auth.validateRequest(authUser.toLowerCase(), action.toString() + ":" + authPolicyFunctionName);
+
+ } catch (Exception e) {
+ logResult(action, uri, e);
+ return false;
+ }
+ }
+
+ protected void logResult(Action op, String uri, Exception e) {
+
+ logger.error(CrudServiceMsgs.EXCEPTION_DURING_METHOD_CALL,
+ op.toString(),
+ uri,
+ e.getStackTrace().toString());
+
+ // Clear the MDC context so that no other transaction inadvertently
+ // uses our transaction id.
+ MDC.clear();
+ }
+}
diff --git a/src/main/java/org/onap/crud/service/BulkPayload.java b/src/main/java/org/onap/crud/service/BulkPayload.java new file mode 100644 index 0000000..538d9c0 --- /dev/null +++ b/src/main/java/org/onap/crud/service/BulkPayload.java @@ -0,0 +1,124 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.service; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.JsonArray; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; + +import org.onap.crud.exception.CrudException; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import javax.ws.rs.core.Response.Status; + +public class BulkPayload { + public enum OperationType { + CREATE, UPDATE, DELETE + } + + private List<JsonElement> objects = new ArrayList<JsonElement>(); + private List<JsonElement> relationships = new ArrayList<JsonElement>(); + + private static final Gson gson = new GsonBuilder().disableHtmlEscaping().create(); + + public String toJson() { + return gson.toJson(this); + } + + public static BulkPayload fromJson(String payload) throws CrudException { + try { + if (payload == null || payload.isEmpty()) { + throw new CrudException("Invalid Json Payload", Status.BAD_REQUEST); + } + return gson.fromJson(payload, BulkPayload.class); + } catch (Exception ex) { + throw new CrudException("Invalid Json Payload", Status.BAD_REQUEST); + } + } + + public List<JsonElement> getObjects() { + return objects; + } + + public void setObjects(List<JsonElement> objects) { + this.objects = objects; + } + + public List<JsonElement> getRelationships() { + return relationships; + } + + public void setRelationships(List<JsonElement> relationships) { + this.relationships = relationships; + } + + @Override + public String toString() { + return "BulkPayload [objects=" + objects + ", relationships=" + relationships + "]"; + } + + public static void main(String[] args) throws Exception { + BulkPayload p = new BulkPayload(); + JsonObject root = new JsonObject(); + JsonArray vertices = new JsonArray(); + JsonObject v1 = new JsonObject(); + JsonObject v2 = new JsonObject(); + JsonObject prop = new JsonObject(); + + prop.addProperty("p1", "value1"); + prop.addProperty("p2", "value2"); + v1.add("v1", prop); + v2.add("v2", prop); + + vertices.add(v1); + vertices.add(v2); + + root.add("objects", vertices); + + String s = "{\"objects\":[{\"v1\":{\"p1\":\"value1\",\"p2\":\"value2\"}},{\"v2\":{\"p1\":\"value1\",\"p2\":\"value2\"}}]}"; + + p = BulkPayload.fromJson(s); + + List<JsonElement> po = p.getObjects(); + List<String> ids = new ArrayList<String>(); + for (JsonElement e : po) { + Set<Map.Entry<String, JsonElement>> entries = e.getAsJsonObject().entrySet(); + + for (Map.Entry<String, JsonElement> entry : entries) { + ids.add(entry.getKey()); + } + } + + System.out.println("root: " + root.toString()); + System.out.println("payload ids: " + ids.toString()); + + } + +}
\ No newline at end of file diff --git a/src/main/java/org/onap/crud/service/CrudGraphDataService.java b/src/main/java/org/onap/crud/service/CrudGraphDataService.java new file mode 100644 index 0000000..268e492 --- /dev/null +++ b/src/main/java/org/onap/crud/service/CrudGraphDataService.java @@ -0,0 +1,301 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.service; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.ws.rs.core.Response.Status; + +import org.onap.aaiutils.oxm.OxmModelLoader; +import org.onap.aai.champcore.ChampGraph; +import org.onap.crud.dao.GraphDao; +import org.onap.crud.dao.champ.ChampDao; +import org.onap.crud.entity.Edge; + +import org.onap.crud.entity.Vertex; +import org.onap.crud.exception.CrudException; +import org.onap.crud.parser.CrudResponseBuilder; +import org.onap.schema.OxmModelValidator; +import org.onap.schema.RelationshipSchemaLoader; +import org.onap.schema.RelationshipSchemaValidator; + +import com.google.gson.JsonElement; + +public class CrudGraphDataService { + + private GraphDao dao; + + public CrudGraphDataService(ChampGraph graphImpl) throws CrudException { + this.dao = new ChampDao(graphImpl); + + loadModels(); + } + + public CrudGraphDataService(GraphDao dao) throws CrudException { + this.dao = dao; + + loadModels(); + } + + private void loadModels() throws CrudException { + // load the schemas + try { + OxmModelLoader.loadModels(); + } catch (Exception e) { + throw new CrudException(e); + } + RelationshipSchemaLoader.loadModels(); + } + + public String addVertex(String version, String type, VertexPayload payload) throws CrudException { + Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, type, payload.getProperties()); + return addVertex(version, vertex); + } + + public String addBulk(String version, BulkPayload payload) throws CrudException { + HashMap<String, Vertex> vertices = new HashMap<String, Vertex>(); + HashMap<String, Edge> edges = new HashMap<String, Edge>(); + String txId = dao.openTransaction(); + try { + // Handle vertices + for (JsonElement v : payload.getObjects()) { + List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>( + v.getAsJsonObject().entrySet()); + + if (entries.size() != 2) { + throw new CrudException("", Status.BAD_REQUEST); + } + Map.Entry<String, JsonElement> opr = entries.get(0); + Map.Entry<String, JsonElement> item = entries.get(1); + + VertexPayload vertexPayload = VertexPayload.fromJson(item.getValue().getAsJsonObject().toString()); + + if (opr.getValue().getAsString().equalsIgnoreCase("add") + || opr.getValue().getAsString().equalsIgnoreCase("modify")) { + Vertex validatedVertex; + Vertex persistedVertex; + if (opr.getValue().getAsString().equalsIgnoreCase("add")) { + validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, vertexPayload.getType(), + vertexPayload.getProperties()); + // Call champDAO to add the vertex + persistedVertex = dao.addVertex(validatedVertex.getType(), validatedVertex.getProperties(), txId); + } else { + validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(vertexPayload.getId(), version, + vertexPayload.getType(), vertexPayload.getProperties()); + // Call champDAO to update the vertex + persistedVertex = dao.updateVertex(vertexPayload.getId(), validatedVertex.getType(), + validatedVertex.getProperties(), txId); + } + + Vertex outgoingVertex = OxmModelValidator.validateOutgoingPayload(version, persistedVertex); + + vertices.put(item.getKey(), outgoingVertex); + + } else if (opr.getValue().getAsString().equalsIgnoreCase("delete")) { + dao.deleteVertex(vertexPayload.getId(), + OxmModelValidator.resolveCollectionType(version, vertexPayload.getType()), txId); + } + + } + // Handle Edges + for (JsonElement v : payload.getRelationships()) { + List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>( + v.getAsJsonObject().entrySet()); + + if (entries.size() != 2) { + throw new CrudException("", Status.BAD_REQUEST); + } + Map.Entry<String, JsonElement> opr = entries.get(0); + Map.Entry<String, JsonElement> item = entries.get(1); + + EdgePayload edgePayload = EdgePayload.fromJson(item.getValue().getAsJsonObject().toString()); + + if (opr.getValue().getAsString().equalsIgnoreCase("add") + || opr.getValue().getAsString().equalsIgnoreCase("modify")) { + Edge validatedEdge; + Edge persistedEdge; + if (opr.getValue().getAsString().equalsIgnoreCase("add")) { + // Fix the source/detination + if (edgePayload.getSource().startsWith("$")) { + Vertex source = vertices.get(edgePayload.getSource().substring(1)); + if (source == null) { + throw new CrudException("Not able to find vertex: " + edgePayload.getSource().substring(1), + Status.INTERNAL_SERVER_ERROR); + } + edgePayload + .setSource("services/inventory/" + version + "/" + source.getType() + "/" + source.getId().get()); + } + if (edgePayload.getTarget().startsWith("$")) { + Vertex target = vertices.get(edgePayload.getTarget().substring(1)); + if (target == null) { + throw new CrudException("Not able to find vertex: " + edgePayload.getTarget().substring(1), + Status.INTERNAL_SERVER_ERROR); + } + edgePayload + .setTarget("services/inventory/" + version + "/" + target.getType() + "/" + target.getId().get()); + } + validatedEdge = RelationshipSchemaValidator.validateIncomingAddPayload(version, edgePayload.getType(), + edgePayload); + persistedEdge = dao.addEdge(validatedEdge.getType(), validatedEdge.getSource(), validatedEdge.getTarget(), + validatedEdge.getProperties(), txId); + } else { + Edge edge = dao.getEdge(edgePayload.getId(), edgePayload.getType(), txId); + validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, edgePayload); + persistedEdge = dao.updateEdge(edge, txId); + } + + Edge outgoingEdge = RelationshipSchemaValidator.validateOutgoingPayload(version, persistedEdge); + + edges.put(item.getKey(), outgoingEdge); + + } else if (opr.getValue().getAsString().equalsIgnoreCase("delete")) { + RelationshipSchemaValidator.validateType(version, edgePayload.getType()); + dao.deleteEdge(edgePayload.getId(), edgePayload.getType(), txId); + } + + } + // close champ TX + dao.commitTransaction(txId); + } catch (CrudException ex) { + dao.rollbackTransaction(txId); + throw ex; + } catch (Exception ex) { + dao.rollbackTransaction(txId); + throw ex; + } finally { + if (dao.transactionExists(txId)) { + dao.rollbackTransaction(txId); + } + } + + return CrudResponseBuilder.buildUpsertBulkResponse(vertices, edges, version, payload); + } + + private String addVertex(String version, Vertex vertex) throws CrudException { + Vertex addedVertex = dao.addVertex(vertex.getType(), vertex.getProperties()); + return CrudResponseBuilder + .buildUpsertVertexResponse(OxmModelValidator.validateOutgoingPayload(version, addedVertex), version); + } + + public String addEdge(String version, String type, EdgePayload payload) throws CrudException { + Edge edge = RelationshipSchemaValidator.validateIncomingAddPayload(version, type, payload); + return addEdge(version, edge); + } + + private String addEdge(String version, Edge edge) throws CrudException { + Edge addedEdge = dao.addEdge(edge.getType(), edge.getSource(), edge.getTarget(), edge.getProperties()); + return CrudResponseBuilder + .buildUpsertEdgeResponse(RelationshipSchemaValidator.validateOutgoingPayload(version, addedEdge), version); + } + + public String getEdge(String version, String id, String type) throws CrudException { + RelationshipSchemaValidator.validateType(version, type); + Edge edge = dao.getEdge(id, type); + + return CrudResponseBuilder.buildGetEdgeResponse(RelationshipSchemaValidator.validateOutgoingPayload(version, edge), + version); + } + + public String getEdges(String version, String type, Map<String, String> filter) throws CrudException { + RelationshipSchemaValidator.validateType(version, type); + List<Edge> items = dao.getEdges(type, RelationshipSchemaValidator.resolveCollectionfilter(version, type, filter)); + return CrudResponseBuilder.buildGetEdgesResponse(items, version); + } + + public String updateVertex(String version, String id, String type, VertexPayload payload) throws CrudException { + Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(id, version, type, payload.getProperties()); + return updateVertex(version, vertex); + + } + + private String updateVertex(String version, Vertex vertex) throws CrudException { + Vertex updatedVertex = dao.updateVertex(vertex.getId().get(), vertex.getType(), vertex.getProperties()); + return CrudResponseBuilder + .buildUpsertVertexResponse(OxmModelValidator.validateOutgoingPayload(version, updatedVertex), version); + } + + public String patchVertex(String version, String id, String type, VertexPayload payload) throws CrudException { + Vertex existingVertex = dao.getVertex(id, OxmModelValidator.resolveCollectionType(version, type)); + Vertex vertex = OxmModelValidator.validateIncomingPatchPayload(id, version, type, payload.getProperties(), + existingVertex); + return updateVertex(version, vertex); + + } + + public String deleteVertex(String version, String id, String type) throws CrudException { + type = OxmModelValidator.resolveCollectionType(version, type); + dao.deleteVertex(id, type); + return ""; + + } + + public String deleteEdge(String version, String id, String type) throws CrudException { + RelationshipSchemaValidator.validateType(version, type); + dao.deleteEdge(id, type); + return ""; + + } + + public String updateEdge(String version, String id, String type, EdgePayload payload) throws CrudException { + Edge edge = dao.getEdge(id, type); + Edge validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, payload); + return updateEdge(version, validatedEdge); + + } + + private String updateEdge(String version, Edge edge) throws CrudException { + Edge updatedEdge = dao.updateEdge(edge); + return CrudResponseBuilder + .buildUpsertEdgeResponse(RelationshipSchemaValidator.validateOutgoingPayload(version, updatedEdge), version); + } + + public String patchEdge(String version, String id, String type, EdgePayload payload) throws CrudException { + Edge edge = dao.getEdge(id, type); + Edge patchedEdge = RelationshipSchemaValidator.validateIncomingPatchPayload(edge, version, payload); + return updateEdge(version, patchedEdge); + + } + + public Vertex getVertex(String id) throws CrudException { + return dao.getVertex(id); + } + + public String getVertex(String version, String id, String type) throws CrudException { + type = OxmModelValidator.resolveCollectionType(version, type); + Vertex vertex = dao.getVertex(id, type); + List<Edge> edges = dao.getVertexEdges(id); + return CrudResponseBuilder.buildGetVertexResponse(OxmModelValidator.validateOutgoingPayload(version, vertex), edges, + version); + } + + public String getVertices(String version, String type, Map<String, String> filter) throws CrudException { + type = OxmModelValidator.resolveCollectionType(version, type); + List<Vertex> items = dao.getVertices(type, OxmModelValidator.resolveCollectionfilter(version, type, filter)); + return CrudResponseBuilder.buildGetVerticesResponse(items, version); + } + +} diff --git a/src/main/java/org/onap/crud/service/CrudRestService.java b/src/main/java/org/onap/crud/service/CrudRestService.java new file mode 100644 index 0000000..da792b5 --- /dev/null +++ b/src/main/java/org/onap/crud/service/CrudRestService.java @@ -0,0 +1,784 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.service; + +import java.security.cert.X509Certificate; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import javax.security.auth.x500.X500Principal; +import javax.servlet.http.HttpServletRequest; +import javax.ws.rs.Consumes; +import javax.ws.rs.DELETE; +import javax.ws.rs.Encoded; +import javax.ws.rs.GET; +import javax.ws.rs.POST; +import javax.ws.rs.PUT; +import javax.ws.rs.Path; +import javax.ws.rs.PathParam; +import javax.ws.rs.Produces; +import javax.ws.rs.core.Context; +import javax.ws.rs.core.HttpHeaders; +import javax.ws.rs.core.MediaType; +import javax.ws.rs.core.Response; +import javax.ws.rs.core.Response.Status; +import javax.ws.rs.core.UriInfo; + +import org.apache.cxf.jaxrs.ext.PATCH; +import org.openecomp.auth.Auth; +import org.onap.aai.cl.api.Logger; +import org.onap.aai.cl.eelf.LoggerFactory; +import org.onap.crud.exception.CrudException; +import org.onap.crud.logging.CrudServiceMsgs; +import org.onap.crud.logging.LoggingUtil; +import org.onap.crud.util.CrudServiceConstants; +import org.slf4j.MDC; + +import com.google.gson.JsonElement; + +public class CrudRestService { + + private CrudGraphDataService crudGraphDataService; + Logger logger = LoggerFactory.getInstance().getLogger(CrudRestService.class.getName()); + Logger auditLogger = LoggerFactory.getInstance().getAuditLogger(CrudRestService.class.getName()); + private Auth auth; + + private String mediaType = MediaType.APPLICATION_JSON; + public static final String HTTP_PATCH_METHOD_OVERRIDE = "X-HTTP-Method-Override"; + + public CrudRestService(CrudGraphDataService crudGraphDataService) throws Exception { + this.crudGraphDataService = crudGraphDataService; + this.auth = new Auth(CrudServiceConstants.CRD_AUTH_FILE); + } + + public enum Action { + POST, GET, PUT, DELETE, PATCH + } + + ; + + public void startup() { + + } + + @GET + @Path("/{version}/{type}/{id}") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response getVertex(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("id") String id, @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, + @Context UriInfo uriInfo, @Context HttpServletRequest req) { + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.GET, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + String result = crudGraphDataService.getVertex(version, id, type); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @GET + @Path("/{version}/{type}/") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response getVertices(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, @Context UriInfo uriInfo, + @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + if (validateRequest(req, uri, content, Action.GET, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + Map<String, String> filter = new HashMap<String, String>(); + for (Map.Entry<String, List<String>> e : uriInfo.getQueryParameters().entrySet()) { + filter.put(e.getKey(), e.getValue().get(0)); + } + + try { + String result = crudGraphDataService.getVertices(version, type, filter); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @GET + @Path("/relationships/{version}/{type}/{id}") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response getEdge(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("id") String id, @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, + @Context UriInfo uriInfo, @Context HttpServletRequest req) { + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.GET, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + + String result = crudGraphDataService.getEdge(version, id, type); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @GET + @Path("/relationships/{version}/{type}/") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response getEdges(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, @Context UriInfo uriInfo, + @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.GET, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + Map<String, String> filter = new HashMap<String, String>(); + for (Map.Entry<String, List<String>> e : uriInfo.getQueryParameters().entrySet()) { + filter.put(e.getKey(), e.getValue().get(0)); + } + + try { + String result = crudGraphDataService.getEdges(version, type, filter); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @PUT + @Path("/relationships/{version}/{type}/{id}") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response updateEdge(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("id") String id, @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, + @Context UriInfo uriInfo, @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.PUT, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + EdgePayload payload = EdgePayload.fromJson(content); + if (payload.getProperties() == null || payload.getProperties().isJsonNull()) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + if (payload.getId() != null && !payload.getId().equals(id)) { + throw new CrudException("ID Mismatch", Status.BAD_REQUEST); + } + String result; + + if (headers.getRequestHeaders().getFirst(HTTP_PATCH_METHOD_OVERRIDE) != null + && headers.getRequestHeaders().getFirst(HTTP_PATCH_METHOD_OVERRIDE).equalsIgnoreCase("PATCH")) { + result = crudGraphDataService.patchEdge(version, id, type, payload); + } else { + + result = crudGraphDataService.updateEdge(version, id, type, payload); + } + + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @PATCH + @Path("/relationships/{version}/{type}/{id}") + @Consumes({ "application/merge-patch+json" }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response patchEdge(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("id") String id, @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, + @Context UriInfo uriInfo, @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + if (validateRequest(req, uri, content, Action.PATCH, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + EdgePayload payload = EdgePayload.fromJson(content); + if (payload.getProperties() == null || payload.getProperties().isJsonNull()) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + if (payload.getId() != null && !payload.getId().equals(id)) { + throw new CrudException("ID Mismatch", Status.BAD_REQUEST); + } + + String result = crudGraphDataService.patchEdge(version, id, type, payload); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @PUT + @Path("/{version}/{type}/{id}") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response updateVertex(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("id") String id, @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, + @Context UriInfo uriInfo, @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.PUT, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + VertexPayload payload = VertexPayload.fromJson(content); + if (payload.getProperties() == null || payload.getProperties().isJsonNull()) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + if (payload.getId() != null && !payload.getId().equals(id)) { + throw new CrudException("ID Mismatch", Status.BAD_REQUEST); + } + String result; + if (headers.getRequestHeaders().getFirst(HTTP_PATCH_METHOD_OVERRIDE) != null + && headers.getRequestHeaders().getFirst(HTTP_PATCH_METHOD_OVERRIDE).equalsIgnoreCase("PATCH")) { + result = crudGraphDataService.patchVertex(version, id, type, payload); + } else { + + result = crudGraphDataService.updateVertex(version, id, type, payload); + } + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @PATCH + @Path("/{version}/{type}/{id}") + @Consumes({ "application/merge-patch+json" }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response patchVertex(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("id") String id, @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, + @Context UriInfo uriInfo, @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.PATCH, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + try { + VertexPayload payload = VertexPayload.fromJson(content); + if (payload.getProperties() == null || payload.getProperties().isJsonNull()) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + if (payload.getId() != null && !payload.getId().equals(id)) { + throw new CrudException("ID Mismatch", Status.BAD_REQUEST); + } + + String result = crudGraphDataService.patchVertex(version, id, type, payload); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @POST + @Path("/{version}/{type}/") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response addVertex(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, @Context UriInfo uriInfo, + @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.POST, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + VertexPayload payload = VertexPayload.fromJson(content); + if (payload.getProperties() == null || payload.getProperties().isJsonNull()) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + if (payload.getId() != null) { + throw new CrudException("ID specified , use Http PUT to update Vertex", Status.BAD_REQUEST); + } + + if (payload.getType() != null && !payload.getType().equals(type)) { + throw new CrudException("Vertex Type mismatch", Status.BAD_REQUEST); + } + + String result = crudGraphDataService.addVertex(version, type, payload); + response = Response.status(Status.CREATED).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + private void validateBulkPayload(BulkPayload payload) throws CrudException { + List<String> vertices = new ArrayList<String>(); + List<String> edges = new ArrayList<String>(); + + for (JsonElement v : payload.getObjects()) { + List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>( + v.getAsJsonObject().entrySet()); + + if (entries.size() != 2) { + throw new CrudException("", Status.BAD_REQUEST); + } + Map.Entry<String, JsonElement> opr = entries.get(0); + Map.Entry<String, JsonElement> item = entries.get(1); + + if (vertices.contains(item.getKey())) { + throw new CrudException("duplicate vertex in payload: " + item.getKey(), Status.BAD_REQUEST); + } + VertexPayload vertexPayload = VertexPayload.fromJson(item.getValue().getAsJsonObject().toString()); + if (vertexPayload.getType() == null) { + throw new CrudException("Vertex Type cannot be null for: " + item.getKey(), Status.BAD_REQUEST); + } + + if (!opr.getKey().equalsIgnoreCase("operation")) { + throw new CrudException("operation missing in item: " + item.getKey(), Status.BAD_REQUEST); + } + + if (!opr.getValue().getAsString().equalsIgnoreCase("add") + && !opr.getValue().getAsString().equalsIgnoreCase("modify") + && !opr.getValue().getAsString().equalsIgnoreCase("delete")) { + throw new CrudException("Invalid operation at item: " + item.getKey(), Status.BAD_REQUEST); + } + // check if ID is populate for modify/delete operation + if ((opr.getValue().getAsString().equalsIgnoreCase("modify") + || opr.getValue().getAsString().equalsIgnoreCase("delete")) && (vertexPayload.getId() == null)) { + + throw new CrudException("Mising ID at item: " + item.getKey(), Status.BAD_REQUEST); + + } + + vertices.add(item.getKey()); + } + + for (JsonElement v : payload.getRelationships()) { + List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>( + v.getAsJsonObject().entrySet()); + + if (entries.size() != 2) { + throw new CrudException("", Status.BAD_REQUEST); + } + Map.Entry<String, JsonElement> opr = entries.get(0); + Map.Entry<String, JsonElement> item = entries.get(1); + + if (edges.contains(item.getKey())) { + throw new CrudException("duplicate Edge in payload: " + item.getKey(), Status.BAD_REQUEST); + } + + EdgePayload edgePayload = EdgePayload.fromJson(item.getValue().getAsJsonObject().toString()); + + if (edgePayload.getType() == null) { + throw new CrudException("Edge Type cannot be null for: " + item.getKey(), Status.BAD_REQUEST); + } + + if (!opr.getKey().equalsIgnoreCase("operation")) { + throw new CrudException("operation missing in item: " + item.getKey(), Status.BAD_REQUEST); + } + + if (!opr.getValue().getAsString().equalsIgnoreCase("add") + && !opr.getValue().getAsString().equalsIgnoreCase("modify") + && !opr.getValue().getAsString().equalsIgnoreCase("delete")) { + throw new CrudException("Invalid operation at item: " + item.getKey(), Status.BAD_REQUEST); + } + // check if ID is populate for modify/delete operation + if ((edgePayload.getId() == null) && (opr.getValue().getAsString().equalsIgnoreCase("modify") + || opr.getValue().getAsString().equalsIgnoreCase("delete"))) { + + throw new CrudException("Mising ID at item: " + item.getKey(), Status.BAD_REQUEST); + + } + if (opr.getValue().getAsString().equalsIgnoreCase("add")) { + if (edgePayload.getSource() == null || edgePayload.getTarget() == null) { + throw new CrudException("Source/Target cannot be null for edge: " + item.getKey(), Status.BAD_REQUEST); + } + if (edgePayload.getSource().startsWith("$") && !vertices.contains(edgePayload.getSource().substring(1))) { + throw new CrudException( + "Source Vertex " + edgePayload.getSource().substring(1) + " not found for Edge: " + item.getKey(), + Status.BAD_REQUEST); + } + + if (edgePayload.getTarget().startsWith("$") && !vertices.contains(edgePayload.getTarget().substring(1))) { + throw new CrudException( + "Target Vertex " + edgePayload.getSource().substring(1) + " not found for Edge: " + item.getKey(), + Status.BAD_REQUEST); + } + } + edges.add(item.getKey()); + + } + + } + + @POST + @Path("/{version}/bulk/") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response addBulk(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, @Context UriInfo uriInfo, + @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.POST, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + BulkPayload payload = BulkPayload.fromJson(content); + if ((payload.getObjects() == null && payload.getRelationships() == null) + || (payload.getObjects() != null && payload.getObjects().isEmpty() && payload.getRelationships() != null + && payload.getRelationships().isEmpty())) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + + validateBulkPayload(payload); + String result = crudGraphDataService.addBulk(version, payload); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @POST + @Path("/{version}/") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response addVertex(String content, @PathParam("version") String version, @PathParam("uri") @Encoded String uri, + @Context HttpHeaders headers, @Context UriInfo uriInfo, @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.POST, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + try { + + VertexPayload payload = VertexPayload.fromJson(content); + if (payload.getProperties() == null || payload.getProperties().isJsonNull()) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + if (payload.getId() != null) { + throw new CrudException("ID specified , use Http PUT to update Vertex", Status.BAD_REQUEST); + } + + if (payload.getType() == null || payload.getType().isEmpty()) { + throw new CrudException("Missing Vertex Type ", Status.BAD_REQUEST); + } + String result = crudGraphDataService.addVertex(version, payload.getType(), payload); + response = Response.status(Status.CREATED).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @POST + @Path("/relationships/{version}/{type}/") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response addEdge(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, @Context UriInfo uriInfo, + @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.POST, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + EdgePayload payload = EdgePayload.fromJson(content); + if (payload.getProperties() == null || payload.getProperties().isJsonNull()) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + if (payload.getId() != null) { + throw new CrudException("ID specified , use Http PUT to update Edge", Status.BAD_REQUEST); + } + + if (payload.getType() != null && !payload.getType().equals(type)) { + throw new CrudException("Edge Type mismatch", Status.BAD_REQUEST); + } + String result = crudGraphDataService.addEdge(version, type, payload); + response = Response.status(Status.CREATED).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @POST + @Path("/relationships/{version}/") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response addEdge(String content, @PathParam("version") String version, @PathParam("uri") @Encoded String uri, + @Context HttpHeaders headers, @Context UriInfo uriInfo, @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.POST, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + EdgePayload payload = EdgePayload.fromJson(content); + if (payload.getProperties() == null || payload.getProperties().isJsonNull()) { + throw new CrudException("Invalid request Payload", Status.BAD_REQUEST); + } + if (payload.getId() != null) { + throw new CrudException("ID specified , use Http PUT to update Edge", Status.BAD_REQUEST); + } + + if (payload.getType() == null || payload.getType().isEmpty()) { + throw new CrudException("Missing Edge Type ", Status.BAD_REQUEST); + } + String result = crudGraphDataService.addEdge(version, payload.getType(), payload); + + response = Response.status(Status.CREATED).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @DELETE + @Path("/{version}/{type}/{id}") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response deleteVertex(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("id") String id, @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, + @Context UriInfo uriInfo, @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + + if (validateRequest(req, uri, content, Action.DELETE, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + String result = crudGraphDataService.deleteVertex(version, id, type); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + @DELETE + @Path("/relationships/{version}/{type}/{id}") + @Consumes({ MediaType.APPLICATION_JSON }) + @Produces({ MediaType.APPLICATION_JSON }) + public Response deleteEdge(String content, @PathParam("version") String version, @PathParam("type") String type, + @PathParam("id") String id, @PathParam("uri") @Encoded String uri, @Context HttpHeaders headers, + @Context UriInfo uriInfo, @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + + logger.debug("Incoming request..." + content); + Response response = null; + if (validateRequest(req, uri, content, Action.DELETE, CrudServiceConstants.CRD_AUTH_POLICY_NAME)) { + + try { + String result = crudGraphDataService.deleteEdge(version, id, type); + response = Response.status(Status.OK).entity(result).type(mediaType).build(); + } catch (CrudException ce) { + response = Response.status(ce.getHttpStatus()).entity(ce.getMessage()).build(); + } catch (Exception e) { + response = Response.status(Status.INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); + } + } else { + response = Response.status(Status.FORBIDDEN).entity(content).type(MediaType.APPLICATION_JSON).build(); + } + + LoggingUtil.logRestRequest(logger, auditLogger, req, response); + return response; + } + + protected boolean validateRequest(HttpServletRequest req, String uri, String content, Action action, + String authPolicyFunctionName) { + try { + String cipherSuite = (String) req.getAttribute("javax.servlet.request.cipher_suite"); + String authUser = null; + if (cipherSuite != null) { + X509Certificate[] certChain = (X509Certificate[]) req.getAttribute("javax.servlet.request.X509Certificate"); + X509Certificate clientCert = certChain[0]; + X500Principal subjectDn = clientCert.getSubjectX500Principal(); + authUser = subjectDn.toString(); + } + return this.auth.validateRequest(authUser.toLowerCase(), action.toString() + ":" + authPolicyFunctionName); + } catch (Exception e) { + logResult(action, uri, e); + return false; + } + } + + void logResult(Action op, String uri, Exception e) { + + logger.error(CrudServiceMsgs.EXCEPTION_DURING_METHOD_CALL, op.toString(), uri, e.getStackTrace().toString()); + + // Clear the MDC context so that no other transaction inadvertently + // uses our transaction id. + MDC.clear(); + } +} diff --git a/src/main/java/org/onap/crud/service/EdgePayload.java b/src/main/java/org/onap/crud/service/EdgePayload.java new file mode 100644 index 0000000..dc25497 --- /dev/null +++ b/src/main/java/org/onap/crud/service/EdgePayload.java @@ -0,0 +1,115 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.service; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.JsonElement; + +import org.onap.crud.exception.CrudException; + +import javax.ws.rs.core.Response.Status; + +public class EdgePayload { + + private String id; + private String type; + private String url; + private String source; + private String target; + private JsonElement properties; + + private static final Gson gson = new GsonBuilder().disableHtmlEscaping().create(); + + + @Override + public String toString() { + return "EdgePayload [id=" + id + ", type=" + type + ", url=" + url + ", source=" + + source + ", target=" + target + ", properties=" + properties + "]"; + } + + public String toJson() { + return gson.toJson(this); + } + + public static EdgePayload fromJson(String payload) throws CrudException { + try { + if (payload == null || payload.isEmpty()) { + throw new CrudException("Invalid Json Payload", Status.BAD_REQUEST); + } + return gson.fromJson(payload, EdgePayload.class); + } catch (Exception ex) { + throw new CrudException("Invalid Json Payload", Status.BAD_REQUEST); + } + } + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + + public String getUrl() { + return url; + } + + public void setUrl(String url) { + this.url = url; + } + + public String getSource() { + return source; + } + + public void setSource(String source) { + this.source = source; + } + + public String getTarget() { + return target; + } + + public void setTarget(String target) { + this.target = target; + } + + public JsonElement getProperties() { + return properties; + } + + public void setProperties(JsonElement properties) { + this.properties = properties; + } + +}
\ No newline at end of file diff --git a/src/main/java/org/onap/crud/service/JaxrsEchoService.java b/src/main/java/org/onap/crud/service/JaxrsEchoService.java new file mode 100644 index 0000000..cdea726 --- /dev/null +++ b/src/main/java/org/onap/crud/service/JaxrsEchoService.java @@ -0,0 +1,63 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.service; + +import org.onap.aai.cl.api.Logger; +import org.onap.aai.cl.eelf.LoggerFactory; +import org.onap.crud.logging.LoggingUtil; + +import javax.servlet.http.HttpServletRequest; +import javax.ws.rs.GET; +import javax.ws.rs.Path; +import javax.ws.rs.PathParam; +import javax.ws.rs.Produces; +import javax.ws.rs.core.Context; +import javax.ws.rs.core.HttpHeaders; +import javax.ws.rs.core.Response; +import javax.ws.rs.core.Response.Status; +import javax.ws.rs.core.UriInfo; + + +public class JaxrsEchoService { + + private static Logger logger = LoggerFactory.getInstance() + .getLogger(JaxrsEchoService.class.getName()); + private static Logger auditLogger = LoggerFactory.getInstance() + .getAuditLogger(JaxrsEchoService.class.getName()); + + @GET + @Path("echo/{input}") + @Produces("text/plain") + public String ping(@PathParam("input") String input, + @Context HttpHeaders headers, + @Context UriInfo info, + @Context HttpServletRequest req) { + + LoggingUtil.initMdcContext(req, headers); + LoggingUtil.logRestRequest(logger, auditLogger, req, Response.status(Status.OK) + .entity("OK").build()); + + return "Hello, " + input + "."; + } +}
\ No newline at end of file diff --git a/src/main/java/org/onap/crud/service/VertexPayload.java b/src/main/java/org/onap/crud/service/VertexPayload.java new file mode 100644 index 0000000..4529d70 --- /dev/null +++ b/src/main/java/org/onap/crud/service/VertexPayload.java @@ -0,0 +1,117 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.service; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.JsonElement; + +import org.onap.crud.exception.CrudException; + +import java.util.ArrayList; +import java.util.List; +import javax.ws.rs.core.Response.Status; + +public class VertexPayload { + + private String id; + private String type; + private String url; + private JsonElement properties; + private List<EdgePayload> in = new ArrayList<EdgePayload>(); + private List<EdgePayload> out = new ArrayList<EdgePayload>(); + + private static final Gson gson = new GsonBuilder().disableHtmlEscaping().create(); + + public String toJson() { + return gson.toJson(this); + } + + public static VertexPayload fromJson(String payload) throws CrudException { + try { + if (payload == null || payload.isEmpty()) { + throw new CrudException("Invalid Json Payload", Status.BAD_REQUEST); + } + return gson.fromJson(payload, VertexPayload.class); + } catch (Exception ex) { + throw new CrudException("Invalid Json Payload", Status.BAD_REQUEST); + } + } + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + + public String getUrl() { + return url; + } + + public void setUrl(String url) { + this.url = url; + } + + public JsonElement getProperties() { + return properties; + } + + public void setProperties(JsonElement properties) { + this.properties = properties; + } + + public List<EdgePayload> getIn() { + return in; + } + + public void setIn(List<EdgePayload> in) { + this.in = in; + } + + public List<EdgePayload> getOut() { + return out; + } + + public void setOut(List<EdgePayload> out) { + this.out = out; + } + + + @Override + public String toString() { + return "VertexPayload [id=" + id + ", type=" + type + ", url=" + url + ", properties=" + + properties + ", in=" + in + ", out=" + out + "]"; + } + +}
\ No newline at end of file diff --git a/src/main/java/org/onap/crud/util/CrudJaxbTransformation.java b/src/main/java/org/onap/crud/util/CrudJaxbTransformation.java new file mode 100644 index 0000000..05afea2 --- /dev/null +++ b/src/main/java/org/onap/crud/util/CrudJaxbTransformation.java @@ -0,0 +1,92 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.util; + +import org.eclipse.persistence.dynamic.DynamicEntity; +import org.eclipse.persistence.jaxb.JAXBMarshaller; +import org.eclipse.persistence.jaxb.MarshallerProperties; +import org.eclipse.persistence.jaxb.UnmarshallerProperties; +import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext; + +import java.io.StringReader; +import java.io.StringWriter; +import javax.ws.rs.core.MediaType; +import javax.xml.bind.JAXBException; +import javax.xml.bind.Unmarshaller; +import javax.xml.transform.stream.StreamSource; + +public class CrudJaxbTransformation { + /** + * Marshal a dynamic entity into a string. + * + * @param entity the dynamic entity + * @param jaxbContext the dynamic jaxb context + * @return the marshaled entity + * @throws RouterException on error + */ + public static String marshal(MediaType mediaType, final DynamicEntity entity, + final DynamicJAXBContext jaxbContext) throws JAXBException { + + final JAXBMarshaller marshaller = jaxbContext.createMarshaller(); + marshaller.setProperty(JAXBMarshaller.JAXB_FORMATTED_OUTPUT, false); + + if (MediaType.APPLICATION_JSON_TYPE.isCompatible(mediaType)) { + marshaller.setProperty("eclipselink.media-type", "application/json"); + marshaller.setProperty("eclipselink.json.include-root", false); + marshaller.setProperty(MarshallerProperties.JSON_MARSHAL_EMPTY_COLLECTIONS, Boolean.FALSE); + } + + final StringWriter writer = new StringWriter(); + marshaller.marshal(entity, writer); + return writer.toString(); + + } + + /** + * @param type + * @param json + * @param mediaType + * @return + * @throws JAXBException + * @throws Exception + */ + public static Object unmarshal(String javaClass, String content, MediaType mediaType, + final DynamicJAXBContext jaxbContext) throws JAXBException { + Object clazz = null; + Unmarshaller unmarshaller = null; + + clazz = jaxbContext.newDynamicEntity(javaClass); + + unmarshaller = jaxbContext.createUnmarshaller(); + if (mediaType.equals(MediaType.APPLICATION_JSON_TYPE)) { + unmarshaller.setProperty(UnmarshallerProperties.MEDIA_TYPE, "application/json"); + unmarshaller.setProperty(UnmarshallerProperties.JSON_INCLUDE_ROOT, false); + unmarshaller.setProperty(UnmarshallerProperties.JSON_WRAPPER_AS_ARRAY_NAME, true); + } + + return unmarshaller.unmarshal(new StreamSource(new StringReader(content)), + clazz.getClass()).getValue(); + } + +} diff --git a/src/main/java/org/onap/crud/util/CrudProperties.java b/src/main/java/org/onap/crud/util/CrudProperties.java new file mode 100644 index 0000000..b029dd1 --- /dev/null +++ b/src/main/java/org/onap/crud/util/CrudProperties.java @@ -0,0 +1,77 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.util; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.util.Properties; + +public class CrudProperties { + + private static Properties properties; + + static { + properties = new Properties(); + File file = new File(CrudServiceConstants.CRD_CONFIG_FILE); + try { + properties.load(new FileInputStream(file)); + } catch (FileNotFoundException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } + } + + public static String get(String key) { + return properties.getProperty(key); + } + + public static String get(String key, String defaultValue) { + return properties.getProperty(key, defaultValue); + } + + public static void put(String key, String value) { + properties.setProperty(key, value); + FileOutputStream fileOut = null; + try { + fileOut = new FileOutputStream(new File(CrudServiceConstants.CRD_CONFIG_FILE)); + properties.store(fileOut, "Added property: " + key); + } catch (Exception e) { + e.printStackTrace(); + } finally { + + try { + fileOut.close(); + } catch (IOException ex) { + ex.printStackTrace(); + } + } + + } + + +} diff --git a/src/main/java/org/onap/crud/util/CrudServiceConstants.java b/src/main/java/org/onap/crud/util/CrudServiceConstants.java new file mode 100644 index 0000000..0d07707 --- /dev/null +++ b/src/main/java/org/onap/crud/util/CrudServiceConstants.java @@ -0,0 +1,54 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.util; + +public class CrudServiceConstants { + public static final String CRD_SERVICE_NAME = "Crud-Service"; + + public static final String CRD_FILESEP = (System.getProperty("file.separator") == null) ? "/" + : System.getProperty("file.separator"); + + public static final String CRD_SPECIFIC_CONFIG = System.getProperty("CONFIG_HOME") + CRD_FILESEP; + + public static final String CRD_HOME_MODEL = CRD_SPECIFIC_CONFIG + "model" + CRD_FILESEP; + public static final String CRD_HOME_AUTH = CRD_SPECIFIC_CONFIG + "auth" + CRD_FILESEP; + + public static final String CRD_GRAPH_HOST = "crud.graph.host"; + public static final String CRD_GRAPH_PORT = "crud.graph.port"; + public static final String CRD_GRAPH_NAME = "crud.graph.name"; + public static final String CRD_STORAGE_BACKEND_DB = "crud.storage.backend.db"; + public static final String CRD_HBASE_ZNODE_PARENT + = "crud.storage.hbase.ext.zookeeper.znode.parent"; + + public static final String CRD_CONFIG_FILE = CRD_SPECIFIC_CONFIG + "crud-api.properties"; + public static final String CRD_AUTH_FILE = CRD_HOME_AUTH + "crud_policy.json"; + public static final String CRD_CHAMPION_AUTH_FILE = CRD_HOME_AUTH + "champion-cert.p12"; + + public static final String CRD_AUTH_POLICY_NAME = "crud"; + + public static final String CRD_EVENT_STREAM_HOSTS = "event.stream.hosts"; + + + +} diff --git a/src/main/java/org/onap/crud/util/CrudServiceUtil.java b/src/main/java/org/onap/crud/util/CrudServiceUtil.java new file mode 100644 index 0000000..49b0317 --- /dev/null +++ b/src/main/java/org/onap/crud/util/CrudServiceUtil.java @@ -0,0 +1,63 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.util; + +import org.onap.crud.exception.CrudException; + +import javax.ws.rs.core.Response.Status; + +public class CrudServiceUtil { + + + public static Object validateFieldType(String value, Class clazz) throws CrudException { + try { + if (clazz.isAssignableFrom(Integer.class)) { + return Integer.parseInt(value); + } else if (clazz.isAssignableFrom(Long.class)) { + return Long.parseLong(value); + } else if (clazz.isAssignableFrom(Float.class)) { + return Float.parseFloat(value); + } else if (clazz.isAssignableFrom(Double.class)) { + return Double.parseDouble(value); + } else if (clazz.isAssignableFrom(Boolean.class)) { + + // If the value is an IN/OUT direction, this gets seen as a boolean, so + // check for that first. + if (value.equals("OUT") || value.equals("IN")) { + return value; + } + + if (!value.equals("true") && !value.equals("false")) { + throw new CrudException("Invalid propertry value: " + value, Status.BAD_REQUEST); + } + return Boolean.parseBoolean(value); + } else { + return value; + } + } catch (Exception e) { + throw new CrudException("Invalid property value: " + value, Status.BAD_REQUEST); + } + } + +} diff --git a/src/main/java/org/onap/crud/util/FileWatcher.java b/src/main/java/org/onap/crud/util/FileWatcher.java new file mode 100644 index 0000000..711fa08 --- /dev/null +++ b/src/main/java/org/onap/crud/util/FileWatcher.java @@ -0,0 +1,48 @@ +/** + * ============LICENSE_START======================================================= + * Gizmo + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + */ +package org.onap.crud.util; + +import java.io.File; +import java.util.TimerTask; + +public abstract class FileWatcher extends TimerTask { + private long timeStamp; + private File file; + + public FileWatcher(File file) { + this.file = file; + this.timeStamp = file.lastModified(); + } + + public final void run() { + long timeStamp = file.lastModified(); + + if ((timeStamp - this.timeStamp) > 500) { + this.timeStamp = timeStamp; + onChange(file); + } + } + + protected abstract void onChange(File file); +}
\ No newline at end of file |