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 */
017package org.apache.activemq.transport.multicast;
018
019import java.net.SocketAddress;
020import java.nio.ByteBuffer;
021
022import org.apache.activemq.command.Command;
023import org.apache.activemq.command.Endpoint;
024import org.apache.activemq.transport.udp.DatagramEndpoint;
025import org.apache.activemq.transport.udp.DatagramHeaderMarshaller;
026
027/**
028 * 
029 * 
030 */
031public class MulticastDatagramHeaderMarshaller extends DatagramHeaderMarshaller {
032
033    private final byte[] localUriAsBytes;
034
035    public MulticastDatagramHeaderMarshaller(String localUri) {
036        this.localUriAsBytes = localUri.getBytes();
037    }
038
039    public Endpoint createEndpoint(ByteBuffer readBuffer, SocketAddress address) {
040        int size = readBuffer.getInt();
041        byte[] data = new byte[size];
042        readBuffer.get(data);
043        return new DatagramEndpoint(new String(data), address);
044    }
045
046    public void writeHeader(Command command, ByteBuffer writeBuffer) {
047        writeBuffer.putInt(localUriAsBytes.length);
048        writeBuffer.put(localUriAsBytes);
049        super.writeHeader(command, writeBuffer);
050    }
051
052}