001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.activemq.transport.udp;
018    
019    import org.apache.activemq.command.Command;
020    import org.apache.activemq.command.Endpoint;
021    import org.apache.activemq.transport.Transport;
022    import org.apache.activemq.transport.TransportFilter;
023    
024    /**
025     * 
026     */
027    public class ResponseRedirectInterceptor extends TransportFilter {
028        private final UdpTransport transport;
029    
030        public ResponseRedirectInterceptor(Transport next, UdpTransport transport) {
031            super(next);
032            this.transport = transport;
033        }
034    
035        public void onCommand(Object o) {
036            final Command command = (Command)o;
037            // redirect to the endpoint that the last response came from
038            Endpoint from = command.getFrom();
039            transport.setTargetEndpoint(from);
040    
041            super.onCommand(command);
042        }
043    }