1 files changed, 218 insertions, 0 deletions
diff --git a/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/resources/TopicResource.java b/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/resources/TopicResource.java
new file mode 100644
index 0000000..01926b7
--- /dev/null
+++ b/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/resources/TopicResource.java
@@ -0,0 +1,218 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dmaap
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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=========================================================
+ */
+
+package org.onap.dmaap.dbcapi.resources;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+
+import java.util.List;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+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.QueryParam;
+import javax.ws.rs.core.GenericEntity;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
+import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
+import org.onap.dmaap.dbcapi.model.ApiError;
+import org.onap.dmaap.dbcapi.model.ReplicationType;
+import org.onap.dmaap.dbcapi.model.FqtnType;
+import org.onap.dmaap.dbcapi.model.Topic;
+import org.onap.dmaap.dbcapi.service.TopicService;
+import org.onap.dmaap.dbcapi.util.DmaapConfig;
+
+import static javax.ws.rs.core.Response.Status.CREATED;
+
+@Path("/topics")
+@Api( value= "topics", description = "Endpoint for retreiving MR Topics" )
+@Consumes(MediaType.APPLICATION_JSON)
+@Produces(MediaType.APPLICATION_JSON)
+@Authorization
+public class TopicResource extends BaseLoggingClass {
+	private static FqtnType defaultTopicStyle;
+	private static String defaultPartitionCount;
+	private static String defaultReplicationCount;
+	private TopicService mr_topicService = new TopicService();
+	private ResponseBuilder responseBuilder = new ResponseBuilder();
+	private RequiredChecker checker = new RequiredChecker();
+	static final String UNSUPPORTED_PUT_MSG = "Method /PUT not supported for /topics";
+	
+	public TopicResource() {
+		DmaapConfig p = (DmaapConfig)DmaapConfig.getConfig();
+ 		defaultTopicStyle = FqtnType.Validator( p.getProperty("MR.topicStyle", "FQTN_LEGACY_FORMAT"));
+		defaultPartitionCount = p.getProperty( "MR.partitionCount", "2");
+		defaultReplicationCount = p.getProperty( "MR.replicationCount", "1");
+		
+		logger.info( "Setting defaultTopicStyle=" + defaultTopicStyle );
+	}
+		
+	@GET
+	@ApiOperation( value = "return Topic details", 
+	notes = "Returns array of  `Topic` objects.", 
+	response = Topic.class)
+	@ApiResponses( value = {
+	    @ApiResponse( code = 200, message = "Success", response = Topic.class),
+	    @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+	})
+	public Response getTopics() {
+		List<Topic> allTopics = mr_topicService.getAllTopics();
+		
+		GenericEntity<List<Topic>> list = new GenericEntity<List<Topic>>(allTopics) {
+		        };
+		return responseBuilder.success(list);
+		
+	}
+		
+	@POST
+	@ApiOperation( value = "Create a Topic object", 
+	notes = "Create  `Topic` object."
+			+ "For convenience, the message body may populate the `clients` array, in which case each entry will be added as an `MR_Client`."
+			+ "  Beginning in ONAP Dublin Release, dbcapi will create two AAF Roles by default, one each for the publisher and subscriber per topic."
+			+ "  MR_Clients can then specify an AAF Identity to be added to the appropriate default Role, avoiding the need to create Role(s) in advance.", 
+	response = Topic.class)
+	@ApiResponses( value = {
+	    @ApiResponse( code = 200, message = "Success", response = Topic.class),
+	    @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+	})
+	public Response  addTopic(Topic topic, @QueryParam("useExisting") String useExisting) {
+		logger.info( "addTopic request: " + topic  + " useExisting=" + useExisting );
+		ApiError apiError = new ApiError();
+
+		try {
+			checker.required( "topicName", topic.getTopicName(), "^\\S+$" );  //no white space allowed in topicName
+			checker.required( "topicDescription", topic.getTopicDescription());
+			checker.required( "owner", topic.getOwner());
+		} catch( RequiredFieldException rfe ) {
+			logger.error("Error", rfe.getApiError());
+			return responseBuilder.error(rfe.getApiError());
+		}
+		
+		ReplicationType t = topic.getReplicationCase();
+		if ( t == null || t == ReplicationType.REPLICATION_NOT_SPECIFIED ) {
+			topic.setReplicationCase( mr_topicService.reviewTopic(topic));
+		} 
+		FqtnType ft = topic.getFqtnStyle();
+		if ( ft == null || ft == FqtnType.FQTN_NOT_SPECIFIED ) {
+			logger.info( "setting defaultTopicStyle=" + defaultTopicStyle + " for topic " + topic.getTopicName() );
+			topic.setFqtnStyle( defaultTopicStyle );
+		}
+		String pc = topic.getPartitionCount();
+		if ( pc == null ) {
+			topic.setPartitionCount(defaultPartitionCount);
+		}
+		String rc = topic.getReplicationCount();
+		if ( rc == null ) {
+			topic.setReplicationCount(defaultReplicationCount);
+		}
+		topic.setLastMod();
+		Boolean flag = false;
+		if (useExisting != null) {
+			flag = "true".compareToIgnoreCase( useExisting ) == 0;
+		}
+		
+		Topic mrc =  mr_topicService.addTopic(topic, apiError, flag);
+		if ( mrc != null && apiError.is2xx() ) {
+			return responseBuilder.success(CREATED.getStatusCode(), mrc);
+		}
+		return responseBuilder.error(apiError);
+	}
+	
+	@PUT
+	@ApiOperation( value = "return Topic details", 
+	notes = "Update a  `Topic` object, identified by topicId", 
+	response = Topic.class)
+	@ApiResponses( value = {
+	    @ApiResponse( code = 200, message = "Success", response = Topic.class),
+	    @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+	})
+	@Path("/{topicId}")
+	public Response updateTopic(@PathParam("topicId") String topicId) {
+		ApiError apiError = new ApiError();
+
+		apiError.setCode(Status.BAD_REQUEST.getStatusCode());
+		apiError.setMessage(UNSUPPORTED_PUT_MSG);
+		
+		return responseBuilder.error(apiError);
+	}
+		
+	@DELETE
+	@ApiOperation( value = "return Topic details", 
+	notes = "Delete a  `Topic` object, identified by topicId", 
+	response = Topic.class)
+	@ApiResponses( value = {
+	    @ApiResponse( code = 204, message = "Success", response = Topic.class),
+	    @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+	})
+	@Path("/{topicId}")
+	public Response deleteTopic(@PathParam("topicId") String id){
+		ApiError apiError = new ApiError();
+
+		try {
+			checker.required( "fqtn", id);
+		} catch( RequiredFieldException rfe ) {
+			logger.error("Error", rfe.getApiError());
+			return responseBuilder.error(rfe.getApiError());
+		}
+		
+		mr_topicService.removeTopic(id, apiError);
+		if (apiError.is2xx()) {
+			return responseBuilder.success(Status.NO_CONTENT.getStatusCode(), null);
+		} 
+		return responseBuilder.error(apiError);
+	}
+	
+
+	@GET
+	@ApiOperation( value = "return Topic details", 
+	notes = "Retrieve a  `Topic` object, identified by topicId", 
+	response = Topic.class)
+	@ApiResponses( value = {
+	    @ApiResponse( code = 200, message = "Success", response = Topic.class),
+	    @ApiResponse( code = 400, message = "Error", response = ApiError.class )
+	})
+	@Path("/{topicId}")
+	public Response getTopic(@PathParam("topicId") String id) {
+		logger.info("Entry: /GET " + id);
+		ApiError apiError = new ApiError();
+
+		try {
+			checker.required( "topicName", id, "^\\S+$" );  //no white space allowed in topicName
+		} catch( RequiredFieldException rfe ) {
+			logger.error("Error", rfe.getApiError());
+			return responseBuilder.error(rfe.getApiError());
+		}
+		Topic mrc =  mr_topicService.getTopic(id, apiError);
+		if ( mrc == null ) {
+			return responseBuilder.error(apiError);
+		}
+		return responseBuilder.success(mrc);
+		}
+}