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    1   /**
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    * Unless required by applicable law or agreed to in writing, software
   12    * distributed under the License is distributed on an "AS IS" BASIS,
   13    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    * See the License for the specific language governing permissions and
   15    * limitations under the License.
   16    */
   17   package org.apache.activemq.transport.multicast;
   18   
   19   import java.net.SocketAddress;
   20   import java.nio.ByteBuffer;
   21   
   22   import org.apache.activemq.command.Command;
   23   import org.apache.activemq.command.Endpoint;
   24   import org.apache.activemq.transport.udp.DatagramEndpoint;
   25   import org.apache.activemq.transport.udp.DatagramHeaderMarshaller;
   26   
   27   /**
   28    * 
   29    * @version $Revision: 564814 $
   30    */
   31   public class MulticastDatagramHeaderMarshaller extends DatagramHeaderMarshaller {
   32   
   33       private final byte[] localUriAsBytes;
   34   
   35       public MulticastDatagramHeaderMarshaller(String localUri) {
   36           this.localUriAsBytes = localUri.getBytes();
   37       }
   38   
   39       public Endpoint createEndpoint(ByteBuffer readBuffer, SocketAddress address) {
   40           int size = readBuffer.getInt();
   41           byte[] data = new byte[size];
   42           readBuffer.get(data);
   43           return new DatagramEndpoint(new String(data), address);
   44       }
   45   
   46       public void writeHeader(Command command, ByteBuffer writeBuffer) {
   47           writeBuffer.putInt(localUriAsBytes.length);
   48           writeBuffer.put(localUriAsBytes);
   49           super.writeHeader(command, writeBuffer);
   50       }
   51   
   52   }

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