initializationplugin.java

老外的在线考试

/*
 * CyberTester - J2EE Web application for creating, delivering and managing tests/exams/surveys. 
 * Copyright (C) 2003 CyberDemia Research and Services Pty Ltd
 *
 * 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
 * (at your option) any later version.
 *
 * 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 (see the file COPYING); if not, write to the
 * Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * See the COPYING file located in the top-level-directory of
 * the archive of this program for complete text of license.
 */
package com.cyberdemia.cybertester;

import javax.servlet.ServletException;

import org.apache.struts.action.ActionServlet;
import org.apache.struts.action.PlugIn;
import org.apache.struts.config.ModuleConfig;
import javax.servlet.*;
import java.net.URL;
import com.cyberdemia.school.*;
import javax.servlet.*;
import javax.naming.*;

/**
 * InitializationPlugIn
 * 
 * @author Alexander Yap
 */
public class InitializationPlugIn implements PlugIn
{
	public void destroy()
	{
	}

	public void init(ActionServlet servlet, ModuleConfig config)
		throws ServletException
	{
		System.setProperty("java.awt.headless", "true");
		ServletContext app = servlet.getServletContext();

		try
		{
			Context context = new InitialContext();
			URL configURL = (URL)context.lookup("java:comp/env/url/schoolConfig");
			SchoolConfig.init(configURL);
			app.setAttribute( Constants.HIERARCHY_ROOT_KEY, SchoolConfig.getInstance().getHierarchyRoot());
		}
		catch (Exception ex)
		{
			throw new ServletException(ex);
		}
	}

}