loadaction.java

来自「开源项目CRM之OpenCustomer」· Java 代码 · 共 141 行

/*******************************************************************************
 * ***** BEGIN LICENSE BLOCK Version: MPL 1.1
 * 
 * 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 the OpenCustomer CRM.
 * 
 * The Initial Developer of the Original Code is Thomas Bader (Bader & Jene
 * Software-Ingenieurb黵o). Portions created by the Initial Developer are
 * Copyright (C) 2005 the Initial Developer. All Rights Reserved.
 * 
 * Contributor(s): Thomas Bader <[e-mail]>
 * 
 * ***** END LICENSE BLOCK *****
 */

package org.opencustomer.application.web.module.calendar.event.edit;

import java.io.IOException;
import java.util.Calendar;
import java.util.GregorianCalendar;

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

import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.opencustomer.application.db.dao.calendar.EventDAO;
import org.opencustomer.application.db.dao.system.UsergroupDAO;
import org.opencustomer.application.db.vo.calendar.CalendarVO;
import org.opencustomer.application.db.vo.calendar.EventVO;
import org.opencustomer.application.db.vo.system.UserVO;
import org.opencustomer.application.web.Globals;
import org.opencustomer.application.web.module.calendar.Constants;
import org.opencustomer.application.web.struts.Action;
import org.opencustomer.db.EntityAccessUtility;
import org.opencustomer.db.vo.EntityAccess;

public class LoadAction extends Action<LoadForm>
{
    private static Logger log = Logger.getLogger(LoadAction.class);

    private static final int STATUS_OK = 0;

    private static final int STATUS_BACK = 1;

    public ActionForward execute(ActionMapping mapping, LoadForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
    {
        int status = STATUS_OK;

        UserVO user = (UserVO) request.getSession().getAttribute(Globals.USER_KEY);
        CalendarVO calendar = (CalendarVO) request.getSession().getAttribute(Constants.CALENDAR_KEY);

        ActionMessages errors = new ActionMessages();

        EventVO event = null;

        if (form.getId() != 0)
        {
            if (log.isDebugEnabled())
                log.debug("load event (ID:" + form.getId() + ")");

            try
            {
                event = new EventDAO().getById(form.getId());
            }
            catch (Exception e)
            {
                status = STATUS_BACK;
                errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("default.error.invalidEntity", new Integer(form.getId())));

                log.debug("problems loading event (ID:" + form.getId() + ")");
            }
        }
        else
        {
            if (!EntityAccessUtility.isAccessGranted(user, calendar, EntityAccess.Access.WRITE))
            {
                if (log.isDebugEnabled())
                    log.debug("user has not right to create a new event on calendar");

                errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("default.error.invalid"));

                status = STATUS_BACK;
            }
            else
            {
                if (log.isDebugEnabled())
                    log.debug("new event");

                event = new EventVO();
                event.setCalendar(calendar);

                Calendar cal = GregorianCalendar.getInstance();
                event.setStartDate(cal.getTime());
                cal.add(Calendar.MINUTE, 30);
                event.setEndDate(cal.getTime());
                
                event.setRecurrenceType(EventVO.RecurrenceType.NONE);

                event.setUserAccess(EntityAccess.Access.WRITE);
                event.setUserOwner(calendar.getUser().getId());
                event.setGroupAccess(EntityAccess.Access.READ);
                event.setGroupOwner(calendar.getUser().getMainUsergroup().getId());
                event.setGlobalAccess(EntityAccess.Access.READ);
            }
        }

        request.getSession().setAttribute(Constants.EVENT_KEY, event);
        request.getSession().setAttribute(Constants.CALENDAR_USERGROUPS, new UsergroupDAO().getAll());

        if (!errors.isEmpty())
            saveErrors(request, errors);

        if (log.isDebugEnabled())
            log.debug("status = " + status);

        switch (status)
        {
            case STATUS_OK:
                return mapping.findForward("loaded");
            case STATUS_BACK:
                return mapping.findForward("back");
            default:
                return mapping.getInputForward();
        }

    }

}