sessionlistener.java

jGossip是一个简单而功能强大的Java论坛软件（消息板）

/*
 * $$Id: SessionListener.java,v 1.12 2004/05/19 13:25:18 bel70 Exp $$
 *
 * ***** BEGIN LICENSE BLOCK *****
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and
 * limitations under the License.
 *
 * The Original Code is JGossip forum code.
 *
 * The Initial Developer of the Original Code is the JResearch, Org.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *              Dmitry Belov <[e-mail]>
 *
 * ***** END LICENSE BLOCK ***** */
/*
 * Created on 25.05.2003
 *
 */
package org.jresearch.gossip.listeners;

import org.jresearch.gossip.IConst;
import org.jresearch.gossip.dao.ForumDAO;

import java.sql.SQLException;

import java.util.HashMap;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;

import javax.sql.DataSource;


/**
 * DOCUMENT ME!
 *
 * @author Bel
 */
public class SessionListener implements HttpSessionListener {
    /* (non-Javadoc)
     * @see javax.servlet.http.HttpSessionListener#sessionCreated(javax.servlet.http.HttpSessionEvent)
     */
    public void sessionCreated(HttpSessionEvent evt) {
        HttpSession session = evt.getSession();
        session.setAttribute(IConst.SESSION.TIME_ZONE, IConst.VALUES.GMT);
        session.setAttribute(IConst.SESSION.LAST_INTIME, new HashMap());

        ServletContext app = session.getServletContext();

        ForumDAO forumdao = ForumDAO.getInstance();
        HashMap SkinParams = new HashMap();

        try {
            forumdao.setDataSource((DataSource) app.getAttribute(
                    IConst.CONTEXT.DS_KEY));

            forumdao.loadSkinParams(IConst.CONFIG.DEFAULT_SKIN_ID, SkinParams);
        } catch (SQLException sqle) {
            //TODO load default params
            sqle.printStackTrace();
        }

        session.setAttribute(IConst.SESSION.STYLE_SETTINGS, SkinParams);
    }

    /* (non-Javadoc)
     * @see javax.servlet.http.HttpSessionListener#sessionDestroyed(javax.servlet.http.HttpSessionEvent)
     */
    public void sessionDestroyed(HttpSessionEvent evt) {
        HttpSession session = evt.getSession();
        ServletContext app = session.getServletContext();

        ForumDAO forumdao = ForumDAO.getInstance();

        try {
            forumdao.setDataSource((DataSource) app.getAttribute(
                    IConst.CONTEXT.DS_KEY));
            forumdao.removeEntry(session.getId());
        } catch (SQLException sqle) {
            sqle.printStackTrace();
        }
    }
}