/*
* 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.hemp.services;
import com.caucho.bam.actor.SimpleActor;
import com.caucho.config.ConfigException;
import com.caucho.util.L10N;
import java.io.Serializable;
import java.util.*;
import java.util.logging.*;
import javax.jms.ConnectionFactory;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.ObjectMessage;
import javax.jms.Session;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
/**
* jms service
*/
public class BamJmsService
extends SimpleActor
{
private static final L10N L = new L10N(BamJmsService.class);
private static final Logger log
= Logger.getLogger(BamJmsService.class.getName());
private ConnectionFactory _factory;
private Destination _queue;
private Connection _conn;
private Session _session;
private MessageProducer _producer;
public BamJmsService()
{
}
/**
* Sets the connection factory
*/
public void setConnectionFactory(ConnectionFactory factory)
{
_factory = factory;
}
/**
* Sets the destination
*/
public void setDestination(Destination queue)
{
_queue = queue;
}
@PostConstruct
public void init()
throws JMSException
{
if (_factory == null)
throw new ConfigException(L.l("{0} requires a JMS ConnectionFactory",
getClass().getSimpleName()));
if (_queue == null)
throw new ConfigException(L.l("{0} requires a JMS destination",
getClass().getSimpleName()));
_conn = _factory.createConnection();
_session = _conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
_producer = _session.createProducer(_queue);
}
/**
* Sends to a queue
*/
@Override
public void message(String to, String from, Serializable value)
{
try {
ObjectMessage msg = _session.createObjectMessage(value);
_producer.send(msg);
} catch (JMSException e) {
log.log(Level.WARNING, e.toString(), e);
}
}
@PreDestroy()
public void close()
{
try {
_session.close();
_conn.close();
} catch (JMSException e) {
log.log(Level.FINER, e.toString(), e);
}
}
}