1 files changed, 126 insertions, 0 deletions
diff --git a/ajsc-aai/src/main/java/org/openecomp/aai/rest/URLFromVertexIdConsumer.java b/ajsc-aai/src/main/java/org/openecomp/aai/rest/URLFromVertexIdConsumer.java
new file mode 100644
index 0000000..e8d1865
--- /dev/null
+++ b/ajsc-aai/src/main/java/org/openecomp/aai/rest/URLFromVertexIdConsumer.java
@@ -0,0 +1,126 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.openecomp.aai
+ * ================================================================================
+ * 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.openecomp.aai.rest;
+
+import java.net.URI;
+import java.net.URL;
+import java.util.Iterator;
+
+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.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+import javax.ws.rs.core.UriInfo;
+
+import org.apache.tinkerpop.gremlin.structure.Vertex;
+import org.openecomp.aai.exceptions.AAIException;
+import org.openecomp.aai.introspection.ModelType;
+import org.openecomp.aai.introspection.Version;
+import org.openecomp.aai.logging.LogLine;
+import org.openecomp.aai.logging.LogLineBuilder;
+import org.openecomp.aai.rest.db.HttpEntry;
+import org.openecomp.aai.serialization.db.DBSerializer;
+import org.openecomp.aai.serialization.engines.QueryStyle;
+import org.openecomp.aai.serialization.engines.TransactionalGraphEngine;
+import org.openecomp.aai.util.AAIConfig;
+import org.openecomp.aai.workarounds.LegacyURLTransformer;
+
+import com.thinkaurelius.titan.core.TitanTransaction;
+
+/**
+ * The Class URLFromVertexIdConsumer.
+ */
+@Path("{version: v[8]}/generateurl")
+public class URLFromVertexIdConsumer extends RESTAPI {
+	private ModelType introspectorFactoryType = ModelType.MOXY;
+	private QueryStyle queryStyle = QueryStyle.TRAVERSAL;
+	
+	private final String ID_ENDPOINT = "/id/{vertexid: \\d+}";
+	
+	/**
+	 * Generate url from vertex id.
+	 *
+	 * @param content the content
+	 * @param versionParam the version param
+	 * @param vertexid the vertexid
+	 * @param headers the headers
+	 * @param info the info
+	 * @param req the req
+	 * @return the response
+	 */
+	@GET
+	@Path(ID_ENDPOINT)
+	@Produces({ MediaType.TEXT_PLAIN })
+	public Response generateUrlFromVertexId(String content, @PathParam("version")String versionParam, @PathParam("vertexid")long vertexid, @Context HttpHeaders headers, @Context UriInfo info, @Context HttpServletRequest req) {
+		
+		String transId = headers.getRequestHeaders().getFirst("X-TransactionId");
+		String sourceOfTruth = headers.getRequestHeaders().getFirst("X-FromAppId");
+		Version version = Version.valueOf(versionParam);
+
+		StringBuilder result = new StringBuilder();
+
+		LogLineBuilder llBuilder = new LogLineBuilder(transId, sourceOfTruth);
+		LogLine logline = llBuilder.build(COMPONENT,  HttpMethod.GET.toString());
+		
+		Response response = null;
+		TitanTransaction g = null;
+		try {
+			HttpEntry httpEntry = new HttpEntry(version, introspectorFactoryType, queryStyle, llBuilder);
+			TransactionalGraphEngine dbEngine = httpEntry.getDbEngine();
+			
+			g = dbEngine.getGraph().newTransaction();
+
+			DBSerializer serializer = new DBSerializer(version, dbEngine, g, introspectorFactoryType, sourceOfTruth, llBuilder);
+
+			Iterator<Vertex> thisVertex = g.vertices(vertexid);
+			
+			if (!thisVertex.hasNext()) {
+				throw new AAIException("AAI_6114", "no node at that vertex id");
+			}
+			URI uri = serializer.getURIForVertex(thisVertex.next());
+
+			result.append(uri.getRawPath());
+			result.insert(0, version);
+			result.insert(0, AAIConfig.get("aai.server.url.base"));
+			LegacyURLTransformer urlTransformer = LegacyURLTransformer.getInstance();
+			URL output = new URL(result.toString());	
+
+			response = Response.ok().entity(result.toString()).status(Status.OK).type(MediaType.TEXT_PLAIN).build();
+		} catch (AAIException e) {
+			//TODO check that the details here are sensible
+			response = consumerExceptionResponseGenerator(headers, info, HttpMethod.GET, e, logline);
+		} catch (Exception e) {
+			AAIException ex = new AAIException("AAI_4000", e);
+			response = consumerExceptionResponseGenerator(headers, info, HttpMethod.GET, ex, logline);
+		} finally { //to close the titan transaction (I think)
+			if (g != null) {
+				g.rollback();
+			}
+		}
+		return response;
+	}
+}