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/*
* Copyright © 2016-2017 European Support Limited
*
* 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.
*/
package org.openecomp.server.interceptors;
import javax.inject.Named;
import javax.ws.rs.core.Response;
import org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageContentsList;
import org.apache.cxf.phase.Phase;
/**
* The type Empty output out interceptor.
*/
@Named
public class EmptyOutputOutInterceptor extends AbstractOutDatabindingInterceptor {
public EmptyOutputOutInterceptor() {
// To be executed in post logical phase before marshal phase
super(Phase.POST_LOGICAL);
}
/**
* Intercepts a message. Interceptors should NOT invoke handleMessage or handleFault on the next interceptor - the interceptor chain will take
* care of this.
*
* @param message input message.
*/
@Override
public void handleMessage(Message message) {
//get the message
MessageContentsList objs = MessageContentsList.getContentsList(message);
if (objs.get(0) instanceof Response) {
//check if response is present but entity inside it is null the set a default entity
int status = ((Response) objs.get(0)).getStatus();
Object entity = ((Response) objs.get(0)).getEntity();
// in case of staus 200 and entity is null send InternalEmptyObject in output.
if (entity == null && status == 200) {
DefaultOutput defaultOutput = new DefaultOutput(status, new InternalEmptyObject());
defaultOutput.addMetadata(((Response) objs.get(0)).getMetadata());
objs.set(0, defaultOutput);
}
}
}
}
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