001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.geronimo.gshell.whisper.stream;
021    
022    import java.io.ByteArrayOutputStream;
023    import java.io.IOException;
024    import java.nio.channels.Channels;
025    import java.nio.channels.WritableByteChannel;
026    
027    import org.apache.geronimo.gshell.whisper.message.BaseMessage;
028    import org.apache.mina.common.ByteBuffer;
029    
030    /**
031     * Write a buffer to a stream.
032     *
033     * @version $Rev: 580731 $ $Date: 2007-09-30 07:52:42 -0700 (Sun, 30 Sep 2007) $
034     */
035    public class StreamMessage
036        extends BaseMessage
037    {
038        private final byte[] bytes;
039    
040        public StreamMessage(final ByteBuffer buffer) throws IOException {
041            ByteArrayOutputStream baos = new ByteArrayOutputStream();
042            
043            WritableByteChannel channel = Channels.newChannel(baos);
044            channel.write(buffer.buf());
045            channel.close();
046    
047            bytes = baos.toByteArray();
048        }
049    
050        public ByteBuffer getBuffer() {
051            return ByteBuffer.wrap(bytes);
052        }
053    }