deleteaction.java

来自「开源项目CRM之OpenCustomer」· Java 代码 · 共 125 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 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.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.application.web.struts.ActionForm;
import org.opencustomer.application.web.struts.DefaultDeleteForm;

public class DeleteAction extends Action
{
    private static Logger log = Logger.getLogger(DeleteAction.class);

    private static final int STATUS_OK = 0;

    private static final int STATUS_BACK = 1;

    private static final int STATUS_LIST = 2;

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

        UserVO user = (UserVO) request.getSession().getAttribute(Globals.USER_KEY);

        ActionMessages errors = new ActionMessages();

        if (!this.isTokenValid(request))
        {
            if (log.isDebugEnabled())
                log.debug("token is not valid");
        }
        else if (myForm.getDoDelete() != null)
        {
            EventVO event = (EventVO) request.getSession().getAttribute(org.opencustomer.application.web.module.calendar.Constants.EVENT_KEY);

            if (log.isDebugEnabled())
                log.debug("delete event (ID:" + event.getId() + ")");

            if (event.getId() != null)
            {
                try
                {
                    EventDAO eventDAO = new EventDAO();
                    eventDAO.delete(event, user.getId());

                    status = STATUS_LIST;
                }
                catch (Exception e)
                {
                    e.printStackTrace();
                }
            }
            else
                errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("default.error.invalidEntity", new Integer(myForm.getId())));
        }
        else if (myForm.getDoCancel() != null)
        {
            if (log.isDebugEnabled())
                log.debug("cancel button pressed");

            status = STATUS_BACK;
        }

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

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

        switch (status)
        {
            case STATUS_BACK:
                Integer page = (Integer) request.getSession().getAttribute(Constants.EVENT_PAGE);
                if (DefaultPageAction.PAGE_RECURRENCE.equals(page))
                    return mapping.findForward("event.edit.pageRecurrence");
                else
                    return mapping.findForward("event.edit.pageStandard");
            case STATUS_LIST:
                SaveAction.removeAttributes(request);
                return mapping.findForward("list");
            default:
                return mapping.getInputForward();
        }

    }

}