deleteaction.java

来自「开源项目CRM之OpenCustomer」· Java 代码 · 共 128 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.system.user.manage.usergroup;

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.hibernate.HibernateException;
import org.opencustomer.application.db.dao.system.UsergroupDAO;
import org.opencustomer.application.db.vo.system.UserVO;
import org.opencustomer.application.db.vo.system.UsergroupVO;
import org.opencustomer.application.web.module.system.user.manage.Constants;
import org.opencustomer.application.web.struts.Action;
import org.opencustomer.application.web.struts.DefaultDeleteForm;

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

    private static final int STATUS_OK = 0;

    private static final int STATUS_BACK = 1;

    public ActionForward execute(ActionMapping mapping, DefaultDeleteForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
    {
        if (log.isDebugEnabled())
            log.debug("called action");

        int status = STATUS_OK;

        ActionMessages errors = new ActionMessages();

        // laden der id aus den request attributen
        if (request.getAttribute(Constants.USER_USERGROUP_DELETECALL) != null)
        {
            Integer id = (Integer) request.getAttribute(Constants.USER_USERGROUP_DELETECALL);
            form.setId(id.intValue());
        }

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

            try
            {
                UsergroupVO usergroup = new UsergroupDAO().getById(form.getId());

                request.getSession().setAttribute(Constants.USER_USERGROUP_DELETE, usergroup);
            }
            catch (HibernateException e)
            {
                status = STATUS_BACK;
                errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("default.error.invalidEntity", new Integer(form.getId())));

                log.debug("problems loading usergroup (ID:" + form.getId() + ")");
            }
        }
        else if (form.getDoDelete() != null)
        {
            UsergroupVO usergroup = (UsergroupVO) request.getSession().getAttribute(Constants.USER_USERGROUP_DELETE);
            UserVO editUser = (UserVO) request.getSession().getAttribute(Constants.USER_USER);

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

            if (editUser.getUsergroups().size() > 1)
                editUser.getUsergroups().remove(usergroup);
            else
                log.warn("tried to delete last usergroup of contact");

            status = STATUS_BACK;
        }
        else if (form.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:
                request.getSession().removeAttribute(Constants.USER_USERGROUP_DELETE);
                return mapping.findForward("back");
            default:
                return mapping.getInputForward();
        }

    }

}