| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.servicemix.samples.cxf_ws_rm; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.math.BigInteger; |
| import java.util.ListIterator; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.apache.cxf.interceptor.Fault; |
| import org.apache.cxf.interceptor.InterceptorChain; |
| import org.apache.cxf.interceptor.MessageSenderInterceptor; |
| import org.apache.cxf.io.AbstractWrappedOutputStream; |
| import org.apache.cxf.message.Message; |
| import org.apache.cxf.phase.AbstractPhaseInterceptor; |
| import org.apache.cxf.phase.Phase; |
| import org.apache.cxf.phase.PhaseInterceptor; |
| import org.apache.cxf.ws.addressing.AddressingProperties; |
| import org.apache.cxf.ws.rm.RMContextUtils; |
| |
| /** |
| * |
| */ |
| public class MessageLossSimulator extends AbstractPhaseInterceptor<Message> { |
| |
| private static final Logger LOG = Logger.getLogger(MessageLossSimulator.class.getName()); |
| private int appMessageCount; |
| |
| public MessageLossSimulator() { |
| super(Phase.PREPARE_SEND); |
| addBefore(MessageSenderInterceptor.class.getName()); |
| } |
| |
| |
| public void handleMessage(Message message) throws Fault { |
| AddressingProperties maps = |
| RMContextUtils.retrieveMAPs(message, false, true); |
| String action = null; |
| if (maps != null && null != maps.getAction()) { |
| action = maps.getAction().getValue(); |
| } |
| if (RMContextUtils.isRMProtocolMessage(action)) { |
| return; |
| } |
| appMessageCount++; |
| // do not discard odd-numbered messages |
| if (0 != (appMessageCount % 2)) { |
| return; |
| } |
| |
| // discard even-numbered message |
| InterceptorChain chain = message.getInterceptorChain(); |
| ListIterator it = chain.getIterator(); |
| while (it.hasNext()) { |
| PhaseInterceptor pi = (PhaseInterceptor)it.next(); |
| if (MessageSenderInterceptor.class.getName().equals(pi.getId())) { |
| chain.remove(pi); |
| LOG.fine("Removed MessageSenderInterceptor from interceptor chain."); |
| break; |
| } |
| } |
| |
| message.setContent(OutputStream.class, new WrappedOutputStream(message)); |
| |
| message.getInterceptorChain().add(new AbstractPhaseInterceptor<Message>(Phase.PREPARE_SEND_ENDING) { |
| |
| public void handleMessage(Message message) throws Fault { |
| try { |
| message.getContent(OutputStream.class).close(); |
| } catch (IOException e) { |
| throw new Fault(e); |
| } |
| } |
| |
| }); |
| } |
| |
| private class WrappedOutputStream extends AbstractWrappedOutputStream { |
| |
| private Message outMessage; |
| |
| public WrappedOutputStream(Message m) { |
| this.outMessage = m; |
| } |
| |
| @Override |
| protected void onFirstWrite() throws IOException { |
| if (LOG.isLoggable(Level.FINE)) { |
| Long nr = RMContextUtils.retrieveRMProperties(outMessage, true) |
| .getSequence().getMessageNumber(); |
| LOG.fine("Losing message " + nr); |
| } |
| wrappedStream = new DummyOutputStream(); |
| } |
| } |
| |
| |
| |
| private class DummyOutputStream extends OutputStream { |
| |
| @Override |
| public void write(int b) throws IOException { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| } |
| |
| |
| |
| } |