/*
* JBoss, Home of Professional Open Source
* Copyright 2005-2008, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.messaging.jms.client;
import java.nio.BufferUnderflowException;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.MessageEOFException;
import javax.jms.MessageFormatException;
import org.jboss.messaging.core.client.ClientMessage;
import org.jboss.messaging.core.client.ClientSession;
import org.jboss.messaging.core.logging.Logger;
import org.jboss.messaging.core.remoting.impl.mina.IoBufferWrapper;
/**
* This class implements javax.jms.BytesMessage.
*
* @author Norbert Lataille (Norbert.Lataille@m4x.org)
* @author <a href="mailto:adrian@jboss.org">Adrian Brock</a>
* @author <a href="mailto:tim.fox@jboss.com">Tim Fox</a>
* @author <a href="mailto:ovidiu@feodorov.com">Ovidiu Feodorov</a>
* @author <a href="mailto:ataylor@redhat.com">Andy Taylor</a>
*
* @version $Revision: 3412 $
*
* $Id: JBossBytesMessage.java 3412 2007-12-05 19:41:47Z timfox $
*/
public class JBossBytesMessage extends JBossMessage implements BytesMessage
{
// Static -------------------------------------------------------
private static final Logger log = Logger.getLogger(JBossBytesMessage.class);
public static final byte TYPE = 4;
// Attributes ----------------------------------------------------
// Constructor ---------------------------------------------------
public JBossBytesMessage()
{
super(JBossBytesMessage.TYPE);
}
/*
* This constructor is used to construct messages prior to sending
*/
public JBossBytesMessage(final ClientSession session)
{
super(JBossBytesMessage.TYPE, session);
}
/*
* Constructor on receipt at client side
*/
public JBossBytesMessage(final ClientMessage message, final ClientSession session)
{
super(message, session);
}
/*
* Foreign message constructor
*/
public JBossBytesMessage(final BytesMessage foreign, final ClientSession session) throws JMSException
{
super(foreign, JBossBytesMessage.TYPE, session);
foreign.reset();
byte[] buffer = new byte[1024];
int n = foreign.readBytes(buffer);
while (n != -1)
{
writeBytes(buffer, 0, n);
n = foreign.readBytes(buffer);
}
}
// BytesMessage implementation -----------------------------------
public boolean readBoolean() throws JMSException
{
checkRead();
try
{
return body.getBoolean();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public byte readByte() throws JMSException
{
checkRead();
try
{
return body.getByte();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public int readUnsignedByte() throws JMSException
{
checkRead();
try
{
return body.getUnsignedByte();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public short readShort() throws JMSException
{
checkRead();
try
{
return body.getShort();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public int readUnsignedShort() throws JMSException
{
checkRead();
try
{
return body.getUnsignedShort();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public char readChar() throws JMSException
{
checkRead();
try
{
return body.getChar();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public int readInt() throws JMSException
{
checkRead();
try
{
return body.getInt();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public long readLong() throws JMSException
{
checkRead();
try
{
return body.getLong();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public float readFloat() throws JMSException
{
checkRead();
try
{
return body.getFloat();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public double readDouble() throws JMSException
{
checkRead();
try
{
return body.getDouble();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
}
public String readUTF() throws JMSException
{
checkRead();
try
{
return body.getUTF();
}
catch (BufferUnderflowException e)
{
throw new MessageEOFException("");
}
catch (Exception e)
{
JMSException je = new JMSException("Failed to get UTF");
je.setLinkedException(e);
throw je;
}
}
public int readBytes(final byte[] value) throws JMSException
{
return readBytes(value, value.length);
}
public int readBytes(final byte[] value, final int length)
throws JMSException
{
checkRead();
if (body.remaining() == 0) { return -1; }
int read = Math.min(length, body.remaining());
if (read != 0)
{
body.getBytes(value, 0, read);
}
return read;
}
public void writeBoolean(final boolean value) throws JMSException
{
checkWrite();
body.putBoolean(value);
}
public void writeByte(final byte value) throws JMSException
{
checkWrite();
body.putByte(value);
}
public void writeShort(final short value) throws JMSException
{
checkWrite();
body.putShort(value);
}
public void writeChar(final char value) throws JMSException
{
checkWrite();
body.putChar(value);
}
public void writeInt(final int value) throws JMSException
{
checkWrite();
body.putInt(value);
}
public void writeLong(final long value) throws JMSException
{
checkWrite();
body.putLong(value);
}
public void writeFloat(final float value) throws JMSException
{
checkWrite();
body.putFloat(value);
}
public void writeDouble(final double value) throws JMSException
{
checkWrite();
body.putDouble(value);
}
public void writeUTF(final String value) throws JMSException
{
checkWrite();
try
{
body.putUTF(value);
}
catch (Exception e)
{
JMSException je = new JMSException("Failed to write UTF");
je.setLinkedException(e);
throw je;
}
}
public void writeBytes(final byte[] value) throws JMSException
{
checkWrite();
body.putBytes(value);
}
public void writeBytes(final byte[] value, final int offset, final int length)
throws JMSException
{
checkWrite();
body.putBytes(value, offset, length);
}
public void writeObject(final Object value) throws JMSException
{
if (value == null) { throw new NullPointerException(
"Attempt to write a null value"); }
if (value instanceof String)
{
writeUTF((String) value);
}
else if (value instanceof Boolean)
{
writeBoolean((Boolean) value);
}
else if (value instanceof Character)
{
writeChar((Character) value);
}
else if (value instanceof Byte)
{
writeByte((Byte) value);
}
else if (value instanceof Short)
{
writeShort((Short) value);
}
else if (value instanceof Integer)
{
writeInt((Integer) value);
}
else if (value instanceof Long)
{
writeLong((Long) value);
}
else if (value instanceof Float)
{
writeFloat((Float) value);
}
else if (value instanceof Double)
{
writeDouble((Double) value);
}
else if (value instanceof byte[])
{
writeBytes((byte[]) value);
}
else
{
throw new MessageFormatException("Invalid object for properties");
}
}
public void reset() throws JMSException
{
if (!readOnly)
{
readOnly = true;
body.flip();
}
else
{
body.rewind();
}
}
// JBossMessage overrides ----------------------------------------
public void clearBody() throws JMSException
{
super.clearBody();
body = new IoBufferWrapper(1024);
}
public long getBodyLength() throws JMSException
{
checkRead();
return body.limit();
}
public void doBeforeSend() throws Exception
{
reset();
message.setBody(body);
}
// Public --------------------------------------------------------
public byte getType()
{
return JBossBytesMessage.TYPE;
}
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}