/**
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 2. Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Exoffice Technologies. For written permission,
* please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Exoffice Technologies. Exolab is a registered
* trademark of Exoffice Technologies.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
*
* $Id: StreamMessageHandler.java,v 1.2 2005/10/20 14:07:03 tanderson Exp $
*/
package org.exolab.jms.tools.migration.proxy;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageEOFException;
import javax.jms.StreamMessage;
import org.exolab.jms.message.StreamMessageImpl;
import org.exolab.jms.persistence.PersistenceException;
/**
* Handler for messages of type <code>javax.jms.StreamMessage</code>.
*
* @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
* @version $Revision: 1.2 $ $Date: 2005/10/20 14:07:03 $
*/
class StreamMessageHandler extends AbstractMessageHandler {
/**
* Construct a new <code>StreamMessageHandler</code>.
*
* @param destinations the destination store
* @param connection the database connection
*/
public StreamMessageHandler(DestinationStore destinations,
Connection connection) {
super(destinations, connection);
}
/**
* Returns the type of message that this handler supports.
*
* @return the type of message
*/
protected String getType() {
return "StreamMessage";
}
/**
* Create a new message.
*
* @return a new message
* @throws JMSException for any JMS error
*/
protected Message newMessage() throws JMSException {
return new StreamMessageImpl();
}
/**
* Populate the message body.
*
* @param body the message body
* @param message the message to populate
* @throws JMSException for any JMS error
* @throws PersistenceException for any persistence error
*/
protected void setBody(Object body, Message message) throws JMSException,
PersistenceException {
if (body == null) {
throw new JMSException(
"Expected non-null body for StreamMessage "
+ "with JMSMessageID=" + message.getJMSMessageID());
}
if (!(body instanceof List)) {
throw new JMSException(
"Expected List body for StreamMessage with JMSMessageID="
+ message.getJMSMessageID()
+ " but got type " + body.getClass().getName());
}
StreamMessage msg = (StreamMessage) message;
List list = (List) body;
for (Iterator i = list.iterator(); i.hasNext();) {
Object value = i.next();
msg.writeObject(value);
}
}
/**
* Returns the body of the message.
*
* @param message the message
* @return the body of the message
* @throws JMSException for any JMS error
*/
protected Object getBody(Message message) throws JMSException {
StreamMessage msg = (StreamMessage) message;
msg.reset();
List result = new ArrayList();
while (true) {
try {
Object value = msg.readObject();
result.add(value);
} catch (MessageEOFException exception) {
break;
}
}
return result;
}
}