/*
*
* 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.qpid.client.message;
import java.io.EOFException;
import java.nio.ByteBuffer;
import javax.jms.JMSException;
import javax.jms.MessageEOFException;
import javax.jms.MessageFormatException;
import javax.jms.StreamMessage;
import org.apache.qpid.AMQException;
import org.apache.qpid.typedmessage.TypedBytesContentReader;
import org.apache.qpid.typedmessage.TypedBytesContentWriter;
import org.apache.qpid.typedmessage.TypedBytesFormatException;
/**
* @author Apache Software Foundation
*/
public class JMSStreamMessage extends AbstractBytesTypedMessage implements StreamMessage
{
public static final String MIME_TYPE="jms/stream-message";
private TypedBytesContentReader _typedBytesContentReader;
private TypedBytesContentWriter _typedBytesContentWriter;
public JMSStreamMessage(AMQMessageDelegateFactory delegateFactory)
{
super(delegateFactory,false);
_typedBytesContentWriter = new TypedBytesContentWriter();
}
JMSStreamMessage(AMQMessageDelegateFactory delegateFactory, ByteBuffer data) throws AMQException
{
super(delegateFactory, data!=null);
_typedBytesContentWriter = new TypedBytesContentWriter();
}
JMSStreamMessage(AMQMessageDelegate delegate, ByteBuffer data) throws AMQException
{
super(delegate, data!=null);
_typedBytesContentReader = new TypedBytesContentReader(data);
}
public void reset()
{
setReadable(true);
if(_typedBytesContentReader != null)
{
_typedBytesContentReader.reset();
}
else if (_typedBytesContentWriter != null)
{
_typedBytesContentReader = new TypedBytesContentReader(_typedBytesContentWriter.getData());
}
}
@Override
public void clearBody() throws JMSException
{
super.clearBody();
_typedBytesContentReader = null;
_typedBytesContentWriter = new TypedBytesContentWriter();
}
protected String getMimeType()
{
return MIME_TYPE;
}
@Override
public java.nio.ByteBuffer getData() throws JMSException
{
return _typedBytesContentWriter == null ? _typedBytesContentReader.getData() : _typedBytesContentWriter.getData();
}
public boolean readBoolean() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readBoolean();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public byte readByte() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readByte();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public short readShort() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readShort();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
/**
* Note that this method reads a unicode character as two bytes from the stream
*
* @return the character read from the stream
* @throws JMSException
*/
public char readChar() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readChar();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public int readInt() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readInt();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public long readLong() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readLong();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public float readFloat() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readFloat();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public double readDouble() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readDouble();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public String readString() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readString();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public int readBytes(byte[] bytes) throws JMSException
{
if(bytes == null)
{
throw new IllegalArgumentException("Must provide non-null array to read into");
}
checkReadable();
try
{
return _typedBytesContentReader.readBytes(bytes);
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public Object readObject() throws JMSException
{
checkReadable();
try
{
return _typedBytesContentReader.readObject();
}
catch (EOFException e)
{
throw new MessageEOFException(e.getMessage());
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
public void writeBoolean(boolean b) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeBoolean(b);
}
public void writeByte(byte b) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeByte(b);
}
public void writeShort(short i) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeShort(i);
}
public void writeChar(char c) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeChar(c);
}
public void writeInt(int i) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeInt(i);
}
public void writeLong(long l) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeLong(l);
}
public void writeFloat(float v) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeFloat(v);
}
public void writeDouble(double v) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeDouble(v);
}
public void writeString(String string) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeString(string);
}
public void writeBytes(byte[] bytes) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeBytes(bytes);
}
public void writeBytes(byte[] bytes, int offset, int length) throws JMSException
{
checkWritable();
_typedBytesContentWriter.writeBytes(bytes, offset, length);
}
public void writeObject(Object object) throws JMSException
{
checkWritable();
try
{
_typedBytesContentWriter.writeObject(object);
}
catch (TypedBytesFormatException e)
{
throw new MessageFormatException(e.getMessage());
}
}
}