2 * Copyright © 2016-2017 European Support Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.openecomp.server.interceptors;
18 import org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor;
19 import org.apache.cxf.message.Message;
20 import org.apache.cxf.message.MessageContentsList;
21 import org.apache.cxf.phase.Phase;
23 import javax.inject.Named;
24 import javax.ws.rs.core.Response;
28 * The type Empty output out interceptor.
31 public class EmptyOutputOutInterceptor extends AbstractOutDatabindingInterceptor {
33 public EmptyOutputOutInterceptor() {
34 // To be executed in post logical phase before marshal phase
35 super(Phase.POST_LOGICAL);
39 * Intercepts a message.
40 * Interceptors should NOT invoke handleMessage or handleFault
41 * on the next interceptor - the interceptor chain will
44 * @param message input message.
47 public void handleMessage(Message message) {
49 MessageContentsList objs = MessageContentsList.getContentsList(message);
50 if (objs.get(0) instanceof Response) {
51 //check if response is present but entity inside it is null the set a default entity
52 int status = ((Response) objs.get(0)).getStatus();
53 Object entity = ((Response) objs.get(0)).getEntity();
54 // in case of staus 200 and entity is null send InternalEmptyObject in output.
55 if (entity == null && status == 200) {
56 DefaultOutput defaultOutput = new DefaultOutput(status, new InternalEmptyObject());
57 defaultOutput.addMetadata(((Response) objs.get(0)).getMetadata());
58 objs.set(0, defaultOutput);