/*
 * Copyright 2006 the original author or authors.
 * 
 * Licensed 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.wamblee.mythtv;

import javax.annotation.Resource;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageProducer;
import javax.jms.ObjectMessage;
import javax.jms.Queue;
import javax.jms.Session;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wamblee.general.BeanKernel;

/**
 * 
 *
 * @author Erik Brakkee
 */
public class Application implements ServletContextListener {
    private static final Log LOG = LogFactory.getLog(Application.class);
    
    @Resource(name = "MythtvConnectionFactory")
    private ConnectionFactory connectionFactory; 
    
    @Resource(name = "MythtvTimer")
    private Queue timerQueue; 

    /*
     * (non-Javadoc)
     * 
     * @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
     */
    public void contextInitialized(ServletContextEvent arg0) {
        LOG.info("initializing");

        // Get application configuration.
        ScheduleConfig config = BeanKernel.getBeanFactory().find(
                ScheduleConfig.class);
        
        // Send object message to the timer with the timer interval.
        try {
            Connection connection = connectionFactory.createConnection();
            Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            ObjectMessage msg = session.createObjectMessage();
            msg.setObject(config.getIntervalSeconds());
            MessageProducer producer = session.createProducer(timerQueue);
            producer.send(msg);
            LOG.info("Message sent");
        } catch (Exception e) {
            LOG.fatal("Error sending message", e);
        }
        
    }

    /*
     * (non-Javadoc)
     * 
     * @see javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
     */
    public void contextDestroyed(ServletContextEvent arg0) {
        LOG.info("terminating");
        
        // Empty. 
    }
}