showmainpageaction.java

来自「jGossip是一个简单而功能强大的Java论坛软件（消息板）」· Java 代码 · 共 104 行

/*
 * $$Id: ShowMainPageAction.java,v 1.2 2004/05/31 07:51:16 bel70 Exp $$
 *
 * ***** BEGIN LICENSE BLOCK *****
 * 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 JGossip forum code.
 *
 * The Initial Developer of the Original Code is the JResearch, Org. 
 * Portions created by the Initial Developer are Copyright (C) 2004 
 * the Initial Developer. All Rights Reserved. 
 * 
 * Contributor(s): 
 *              Dmitry Belov <[e-mail]>
 *        
 * ***** END LICENSE BLOCK ***** */
/*
 * Created on 08.05.2003
 *
 */
package org.jresearch.gossip.actions;

import java.sql.SQLException;
import java.util.ArrayList;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.util.MessageResources;
import org.jresearch.gossip.IConst;
import org.jresearch.gossip.beans.forum.Forum;
import org.jresearch.gossip.beans.forum.Group;
import org.jresearch.gossip.beans.forum.Message;
import org.jresearch.gossip.beans.user.User;
import org.jresearch.gossip.dao.ForumDAO;
import org.jresearch.gossip.dao.UserDAO;
import org.jresearch.gossip.exception.SystemException;


/**
 * DOCUMENT ME!
 *
 * @author Bel
 */
public class ShowMainPageAction extends BaseAction {
    /**
     * DOCUMENT ME!
     *
     * @param mapping DOCUMENT ME!
     * @param form DOCUMENT ME!
     * @param request DOCUMENT ME!
     * @param response DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     */
    public ActionForward process(ActionMapping mapping, ActionForm form,
        HttpServletRequest request, HttpServletResponse response)
        throws SystemException {

        ForumDAO dao = ForumDAO.getInstance();
        UserDAO userdao = UserDAO.getInstance();
        MessageResources messages = getResources(request);
        HttpSession session = request.getSession();

        User user = (User) session.getAttribute(IConst.SESSION.USER_KEY);

        try {
            dao.setDataSource(getDataSource(request));
            userdao.setDataSource(getDataSource(request));

            ArrayList groups = dao.getGroups(user.getStatus(), messages);

            for (int i = 0; i < groups.size(); i++) {
                ArrayList forums = ((Group) groups.get(i)).getForums();

                for (int j = 0; j < forums.size(); j++) {
                    Message last = ((Forum) forums.get(j)).getLastMessage();
                    last.setSenderInfo(userdao.getSenderInfo(
                            last.getSender()));
                }
            }

            request.setAttribute(IConst.REQUEST.GROUPS_KEY, groups);
        } catch (SQLException sqle) {
            getServlet().log("Connection.process", sqle);
            throw new SystemException(sqle);
        }

        return (mapping.findForward("welcome"));
    }
}