de.thorstenberger.examServer.webapp.action.StudentMainAction.java Source code

Introduction

Here is the source code for de.thorstenberger.examServer.webapp.action.StudentMainAction.java

Source

/*
    
Copyright (C) 2006 Thorsten Berger
    
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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
/**
 *
 */
package de.thorstenberger.examServer.webapp.action;

import static org.apache.commons.lang.StringUtils.isEmpty;
import static org.apache.commons.lang.StringUtils.isNumeric;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import de.thorstenberger.examServer.model.User;
import de.thorstenberger.examServer.service.ConfigManager;
import de.thorstenberger.examServer.service.UserManager;
import de.thorstenberger.examServer.webapp.vo.TaskDefVO;
import de.thorstenberger.taskmodel.TaskDef;
import de.thorstenberger.taskmodel.TaskManager;

/**
 * @author Thorsten Berger
 *
 */
public class StudentMainAction extends BaseAction {

    /*
     * (non-Javadoc)
     *
     * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping,
     * org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    public ActionForward execute(final ActionMapping mapping, final ActionForm form,
            final HttpServletRequest request, final HttpServletResponse response) throws Exception {

        final TaskManager taskManager = (TaskManager) getBean("TaskManager");

        final List<TaskDef> taskDefs = taskManager.getTaskDefs();

        final List<TaskDefVO> tdvos = new ArrayList<TaskDefVO>();

        for (final TaskDef taskDef : taskDefs) {

            if (!taskDef.isVisible()) {
                continue;
            }

            final TaskDefVO tdvo = new TaskDefVO();
            tdvo.setId("" + taskDef.getId());
            tdvo.setTitle(taskDef.getTitle());
            tdvo.setShortDescription(taskDef.getShortDescription());
            tdvo.setType(taskDef.getType());
            // if( taskDef.getDeadline() != null )
            // tdvo.setDeadline( DateUtil.getStringFromMillis( taskDef.getDeadline() ) );
            tdvo.setStopped(taskDef.isStopped());
            tdvo.setActive(taskDef.isActive());
            tdvos.add(tdvo);
        }

        request.setAttribute("TaskDefs", tdvos);

        // redirect if needed (incomplete student details)
        final ConfigManager config = (ConfigManager) getBean("configManager");
        if (config.isSetFlag("askForSemester")) {
            final UserManager userManager = (UserManager) getBean("userManager");
            final User user = userManager.getUserByUsername(request.getUserPrincipal().getName());

            final boolean noFirstname = isEmpty(user.getFirstName());
            final boolean noLastname = isEmpty(user.getLastName());
            final boolean noSemester = isEmpty(user.getSemester()) || !isNumeric(user.getSemester());
            final boolean noMatrikel = isEmpty(user.getMatrikel()) || !isNumeric(user.getMatrikel());

            if (noFirstname || noLastname || noSemester || noMatrikel) {
                return mapping.findForward("askForSemester");
            }
        }
        return mapping.findForward("success");
    }

}