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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ================================================================================
* 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=========================================================
*/
package org.onap.crud.util;
import java.util.AbstractMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response.Status;
import org.onap.aai.db.props.AAIProperties;
import org.onap.crud.exception.CrudException;
import org.onap.crud.parser.EdgePayload;
import org.onap.crud.parser.util.EdgePayloadUtil;
import org.onap.schema.EdgeRulesLoader;
import org.onap.schema.OxmModelLoader;
import org.onap.schema.RelationshipSchema;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonPrimitive;
public class CrudServiceUtil {
private static Gson gson = new Gson();
@SuppressWarnings({"unchecked", "rawtypes"})
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);
}
}
public static void loadModels() throws CrudException {
// load the schemas
try {
OxmModelLoader.loadModels();
EdgeRulesLoader.loadModels ();
} catch (Exception e) {
throw new CrudException(e);
}
}
/**
* This method will merge header property from app id in request payload if not already populated
* @param propertiesFromRequest
* @param headers
* @param isAdd
* @return
*/
@SuppressWarnings("unchecked")
public static JsonElement mergeHeaderInFoToPayload(JsonElement propertiesFromRequest, HttpHeaders headers,
boolean isAdd) {
String sourceOfTruth = headers.getRequestHeaders().getFirst("X-FromAppId");
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());
}
if(!propertyKeys.contains(AAIProperties.LAST_MOD_SOURCE_OF_TRUTH)) {
properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(AAIProperties.LAST_MOD_SOURCE_OF_TRUTH,
(new JsonPrimitive(sourceOfTruth))));
}
if(isAdd && !propertyKeys.contains(AAIProperties.SOURCE_OF_TRUTH)) {
properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(AAIProperties.SOURCE_OF_TRUTH,
(new JsonPrimitive(sourceOfTruth))));
}
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("}");
return gson.fromJson(sb.toString(), JsonElement.class);
}
public static EntityTag getETagFromHeader(MultivaluedMap<String, String> headers) {
EntityTag entityTag = null;
if (headers != null && headers.containsKey(CrudServiceConstants.CRD_HEADER_ETAG)) {
String value = headers.getFirst(CrudServiceConstants.CRD_HEADER_ETAG);
entityTag = new EntityTag(value.replace("\"", ""));
}
return entityTag;
}
public static String determineEdgeType(EdgePayload payload, String version) throws CrudException {
RelationshipSchema schema = EdgeRulesLoader.getSchemaForVersion(version);
if (payload.getSource() == null || payload.getTarget() == null) {
throw new CrudException("Source/Target not specified", Status.BAD_REQUEST);
}
Set<String> edgeTypes = schema.getValidRelationTypes(EdgePayloadUtil.getVertexNodeType(payload.getSource()),
EdgePayloadUtil.getVertexNodeType(payload.getTarget()));
if (edgeTypes.size() == 0) {
throw new CrudException("No valid relationship types from " + payload.getSource() + " to " + payload.getTarget(), Status.BAD_REQUEST);
}
if (edgeTypes.size() > 1) {
throw new CrudException("Multiple possible relationship types from " + payload.getSource() + " to " + payload.getTarget(), Status.BAD_REQUEST);
}
return edgeTypes.iterator().next();
}
}
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