/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jms.jca;
import com.caucho.util.L10N;
import javax.jms.JMSException;
import javax.resource.ResourceException;
import javax.resource.spi.ActivationSpec;
import javax.resource.spi.InvalidPropertyException;
import javax.resource.spi.ResourceAdapter;
import javax.resource.spi.endpoint.MessageEndpointFactory;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* The JMS MessageListener configuration specification.
*/
public class MessageListenerSpec implements ActivationSpec {
private static final L10N L = new L10N(MessageListenerSpec.class);
private static final Logger log
= Logger.getLogger(MessageListenerSpec.class.getName());
private ResourceAdapterImpl _ra;
private MessageEndpointFactory _factory;
private ArrayList<MessageListenerTask> _endpoints =
new ArrayList<MessageListenerTask>();
/**
* Returns the associated ResourceAdapter
*/
public ResourceAdapter getResourceAdapter()
{
return _ra;
}
/**
* Associate this JavaBean with a resource adapter java bean.
*
* This method is called exactly once.
*/
public void setResourceAdapter(ResourceAdapter ra)
throws ResourceException
{
if (! (ra instanceof ResourceAdapterImpl))
throw new ResourceException(L.l("'{0}' is not a valid resource adapter for the JMS MessageListenerSpec",
ra.getClass().getName()));
_ra = (ResourceAdapterImpl) ra;
}
/**
* Sets the endpoint factory.
*/
void setEndpointFactory(MessageEndpointFactory factory)
{
_factory = factory;
}
/**
* Validates the configuration.
*/
public void validate()
throws InvalidPropertyException
{
}
/**
* Starts the listener.
*/
void start()
throws ResourceException
{
try {
ListenerEndpoint endpoint;
endpoint = (ListenerEndpoint) _factory.createEndpoint(null);
MessageListenerTask task = new MessageListenerTask(_ra, endpoint);
_endpoints.add(task);
_ra.getWorkManager().startWork(task);
} catch (JMSException e) {
throw new ResourceException(e);
}
}
/**
* Stops the listener.
*/
void stop()
throws JMSException
{
for (int i = 0; i < _endpoints.size(); i++) {
MessageListenerTask task = _endpoints.get(i);
try {
task.release();
} catch (Throwable e) {
log.log(Level.WARNING, e.toString(), e);
}
}
_endpoints.clear();
}
}