/*
 * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/MVNForumContextListener.java,v 1.6 2005/01/18 11:52:08 minhnn Exp $
 * $Author: minhnn $
 * $Revision: 1.6 $
 * $Date: 2005/01/18 11:52:08 $
 *
 * ====================================================================
 *
 * Copyright (C) 2002-2005 by MyVietnam.net
 *
 * This program 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 any later version.
 *
 * All copyright notices regarding mvnForum MUST remain intact
 * in the scripts and in the outputted HTML.
 * The "powered by" text/logo with a link back to
 * http://www.mvnForum.com and http://www.MyVietnam.net in the
 * footer of the pages MUST remain visible when the pages
 * are viewed on the internet or intranet.
 *
 * This program 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. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Support can be obtained from support forums at:
 * http://www.mvnForum.com/mvnforum/index
 *
 * Correspondence and Marketing Questions can be sent to:
 * info@MyVietnam.net
 *
 * @author: Minh Nguyen  minhnn@MyVietnam.net
 * @author: Mai  Nguyen  mai.nh@MyVietnam.net
 */
package com.mvnforum;

import java.sql.Timestamp;

import javax.servlet.*;

import net.myvietnam.mvncore.util.DateUtil;
import net.myvietnam.mvncore.util.FileUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class MVNForumContextListener implements ServletContextListener {

    private static Log log = LogFactory.getLog(MVNForumContextListener.class);

    private static MVNForumContextListener instance;

    private Timestamp startTimestamp;

    /**
     * The servlet context with which we are associated.
     */
    private ServletContext context = null;

    public MVNForumContextListener() {
        instance = this;
    }


    /**
     * Notification that the web application is ready to process requests.
     *
     * @param event ServletContextEvent
     */
    public void contextInitialized(ServletContextEvent event) {
        log.debug("contextInitialized");

        this.context = event.getServletContext();

        String realPath = context.getRealPath("/WEB-INF/classes");// Add '/' before WEB-INF to fix the Oracle 10G bug
        FileUtil.setServletClassesPath(realPath);
        startTimestamp = DateUtil.getCurrentGMTTimestamp();
    }


    /**
     * Notification that the servlet context is about to be shut down.
     *
     * @param event ServletContextEvent
     */
    public void contextDestroyed(ServletContextEvent event) {
        log.debug("contextDestroyed");

        this.context = null;
        instance = null;
    }

    // below are add on method

    public static MVNForumContextListener getInstance() {
        return instance;
    }

    public Timestamp getStartTimestamp() {
        return startTimestamp;
    }

}