/*
* Copyright 2009 Red Hat, Inc.
* Red Hat 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.hornetq.jms.tests.message;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.IOException;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.MessageEOFException;
import javax.jms.MessageFormatException;
import javax.jms.MessageNotReadableException;
import javax.jms.MessageNotWriteableException;
/**
* @author <a href="mailto:ovidiu@feodorov.com">Ovidiu Feodorov</a>
* @version $Revision: 8611 $
*
* $Id: SimpleJMSBytesMessage.java 8611 2009-12-08 01:06:31Z timfox $
*/
public class SimpleJMSBytesMessage extends SimpleJMSMessage implements BytesMessage
{
// Static -------------------------------------------------------
// Attributes ----------------------------------------------------
protected byte[] internalArray;
protected boolean bodyWriteOnly = true;
private transient ByteArrayOutputStream ostream;
private transient DataOutputStream p;
private transient ByteArrayInputStream istream;
private transient DataInputStream m;
// Constructor ---------------------------------------------------
public SimpleJMSBytesMessage()
{
ostream = new ByteArrayOutputStream();
p = new DataOutputStream(ostream);
}
// BytesMessage implementation -----------------------------------
public boolean readBoolean() throws JMSException
{
checkRead();
try
{
return m.readBoolean();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public byte readByte() throws JMSException
{
checkRead();
try
{
return m.readByte();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public int readUnsignedByte() throws JMSException
{
checkRead();
try
{
return m.readUnsignedByte();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public short readShort() throws JMSException
{
checkRead();
try
{
return m.readShort();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public int readUnsignedShort() throws JMSException
{
checkRead();
try
{
return m.readUnsignedShort();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public char readChar() throws JMSException
{
checkRead();
try
{
return m.readChar();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public int readInt() throws JMSException
{
checkRead();
try
{
return m.readInt();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public long readLong() throws JMSException
{
checkRead();
try
{
return m.readLong();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public float readFloat() throws JMSException
{
checkRead();
try
{
return m.readFloat();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public double readDouble() throws JMSException
{
checkRead();
try
{
return m.readDouble();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public String readUTF() throws JMSException
{
checkRead();
try
{
return m.readUTF();
}
catch (EOFException e)
{
throw new MessageEOFException("");
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public int readBytes(final byte[] value) throws JMSException
{
checkRead();
try
{
return m.read(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public int readBytes(final byte[] value, final int length) throws JMSException
{
checkRead();
try
{
return m.read(value, 0, length);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeBoolean(final boolean value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeBoolean(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeByte(final byte value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeByte(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeShort(final short value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeShort(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeChar(final char value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeChar(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeInt(final int value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeInt(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeLong(final long value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeLong(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeFloat(final float value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeFloat(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeDouble(final double value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeDouble(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeUTF(final String value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.writeUTF(value);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeBytes(final byte[] value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.write(value, 0, value.length);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeBytes(final byte[] value, final int offset, final int length) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
p.write(value, offset, length);
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void writeObject(final Object value) throws JMSException
{
if (!bodyWriteOnly)
{
throw new MessageNotWriteableException("the message body is read-only");
}
try
{
if (value == null)
{
throw new NullPointerException("Attempt to write a new value");
}
if (value instanceof String)
{
p.writeUTF((String)value);
}
else if (value instanceof Boolean)
{
p.writeBoolean(((Boolean)value).booleanValue());
}
else if (value instanceof Byte)
{
p.writeByte(((Byte)value).byteValue());
}
else if (value instanceof Short)
{
p.writeShort(((Short)value).shortValue());
}
else if (value instanceof Integer)
{
p.writeInt(((Integer)value).intValue());
}
else if (value instanceof Long)
{
p.writeLong(((Long)value).longValue());
}
else if (value instanceof Float)
{
p.writeFloat(((Float)value).floatValue());
}
else if (value instanceof Double)
{
p.writeDouble(((Double)value).doubleValue());
}
else if (value instanceof byte[])
{
p.write((byte[])value, 0, ((byte[])value).length);
}
else
{
throw new MessageFormatException("Invalid object for properties");
}
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public void reset() throws JMSException
{
try
{
if (bodyWriteOnly)
{
p.flush();
internalArray = ostream.toByteArray();
ostream.close();
}
ostream = null;
istream = null;
m = null;
p = null;
bodyWriteOnly = false;
}
catch (IOException e)
{
throw new JMSException("IOException");
}
}
public long getBodyLength() throws JMSException
{
checkRead();
return internalArray.length;
}
// Public --------------------------------------------------------
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
/**
* Check the message is readable
*
* @throws javax.jms.JMSException when not readable
*/
private void checkRead() throws JMSException
{
if (bodyWriteOnly)
{
throw new MessageNotReadableException("readByte while the buffer is writeonly");
}
// We have just received/reset() the message, and the client is trying to
// read it
if (istream == null || m == null)
{
istream = new ByteArrayInputStream(internalArray);
m = new DataInputStream(istream);
}
}
// Inner classes -------------------------------------------------
}