showforumaction.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 132 行

/*
 * $$Id: ShowForumAction.java,v 1.13 2004/06/18 10:25:26 bel70 Exp $$
 *
 * ***** 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 Jul 13, 2003
 *
 */
package org.jresearch.gossip.actions.forum;

import java.lang.reflect.InvocationTargetException;
import java.sql.SQLException;
import java.util.Iterator;

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.jresearch.gossip.IConst;
import org.jresearch.gossip.actions.BaseAction;
import org.jresearch.gossip.beans.forum.Forum;
import org.jresearch.gossip.beans.forum.Message;
import org.jresearch.gossip.beans.forum.Topic;
import org.jresearch.gossip.beans.user.User;
import org.jresearch.gossip.configuration.Configurator;
import org.jresearch.gossip.dao.ForumDAO;
import org.jresearch.gossip.dao.UserDAO;
import org.jresearch.gossip.exception.SystemException;
import org.jresearch.gossip.forms.ProcessForumForm;
import org.jresearch.gossip.list.RecordsData;


/**
 * DOCUMENT ME!
 *
 * @author Bel
 */
public class ShowForumAction 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 {
        ProcessForumForm pfForm = (ProcessForumForm) form;

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

        User user = (User) session.getAttribute(IConst.SESSION.USER_KEY);
        int fid = Integer.parseInt(pfForm.getFid());

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

            Forum currForum = dao.getForumInfo(fid);

            //check access rights if forum invisible
            if ((currForum.getLocked() == IConst.Forum.STATUS_INVISIBLE) &&
                    (user.getStatus() < Integer.parseInt(
                        Configurator.getInstance().get(IConst.CONFIG.INVADER1)))) {
                return (mapping.findForward("jgossip-denied"));
            }

            request.setAttribute(IConst.REQUEST.CURR_FORUM, currForum);
            session.setAttribute(IConst.SESSION.CURR_FORUM, currForum);

            RecordsData recordsData = new RecordsData();
            dao.fillThreadList(user, recordsData, pfForm);
            

            Iterator it = recordsData.getRecords().iterator();

            while (it.hasNext()) {
                Message mess = ((Topic) it.next()).getLastMessage();
                mess.setSenderInfo(userdao.getSenderInfo(mess.getSender()));
            }

            request.setAttribute(IConst.REQUEST.RECORDS_DATA, recordsData);

            if (dao.checkMod(fid, user)) {
                request.setAttribute(IConst.REQUEST.MOD_FLAG, IConst.VALUES.TRUE);
            }
        } catch (SQLException sqle) {
            getServlet().log("Connection.process", sqle);
            throw new SystemException(sqle);
        } catch (InstantiationException e) {
            throw new SystemException(e);
        } catch (IllegalAccessException e) {
            throw new SystemException(e);
        } catch (InvocationTargetException e) {
            throw new SystemException(e);
        } catch (NoSuchMethodException e) {
            throw new SystemException(e);
        }

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