GovernanceServletContextListener.java

/*
 * Copyright 2013 JBoss Inc
 *
 * 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.overlord.sramp.governance;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.overlord.dtgov.server.i18n.Messages;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This listener is used to initialize SRAMP monitor.
 *
 */
public class GovernanceServletContextListener implements ServletContextListener {

    @SuppressWarnings("unused")
	private static final long serialVersionUID = -2902363450855487818L;
    private final Logger log = LoggerFactory.getLogger(this.getClass());

	private SRAMPMonitor monitor;



	/**
	 * Create the SRAMP monitor.
	 */
	@Override
	public void contextInitialized(ServletContextEvent arg0) {
		log.debug(Messages.i18n.format("GovernanceServlet.Starting")); //$NON-NLS-1$
        monitor = SRAMPMonitor.getInstance();
	}

	@Override
	public void contextDestroyed(ServletContextEvent arg0) {
		log.debug(Messages.i18n.format("GovernanceServlet.Stopping")); //$NON-NLS-1$
		if (monitor != null) {
		    monitor.cancel();
		}
	}

}