deleteuseraction.java

老外的在线考试

/*
 * CyberTester - J2EE Web application for creating, delivering and managing tests/exams/surveys. 
 * Copyright (C) 2004 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.admin.user;

import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.struts.action.*;
import com.cyberdemia.user.*;
import com.cyberdemia.school.*;
import com.cyberdemia.cybertester.*;
import com.cyberdemia.cybertester.admin.*;
import java.util.logging.*;

/**
 * DeleteUserAction is a Struts action to delete an existing user.
 * 
 * @version $Revision: 1.2 $ at $Date: 2004/03/15 09:54:02 $ by $Author: alexycyap $
 * @author Alexander Yap
 */
public class DeleteUserAction extends AbstractAdminAction
{

	protected ActionForward doPerform(
		ActionMapping mapping, ActionForm form,
		HttpServletRequest request, HttpServletResponse response,
		HttpSession session) throws Exception	
	{
		Logger logger = CyberTesterUtils.getLogger();
        Integer userId = CyberTesterUtils.convertToInteger(request.getParameter(AdminConstants.USER_ID_KEY));
        if (userId==null)
        {
            throw new ServletException("Missing parameter "+AdminConstants.USER_ID_KEY);
        }

        TestManagerHome tMgrHome = CyberTesterUtils.getTestManagerHome();
		TestManager testMgr = (TestManager)tMgrHome.create();
		// Remove all associations with Tests first
		TestData[] testList = 	testMgr.getTestsForUser(null, userId);
		for (int t=0; t<testList.length; t++)
		{
			testMgr.removeTestFromUser(testList[t].getId(), userId);	
		}

		UserManagerHome uMgrHome = CyberTesterUtils.getUserManagerHome();
		UserManager userMgr = (UserManager)uMgrHome.create();
		try
		{
			userMgr.removeUser(userId);
		}
		catch (UserException uex)
		{
			logger.log( Level.WARNING, "Error removing "+userId);
			ActionErrors errors = new ActionErrors();
			errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.removing.user"));			
			saveErrors(request, errors);
		}
		return mapping.findForward(Constants.SUCCESS);
		
	}

}