Package org.jresearch.gossip.actions.message

Source Code of org.jresearch.gossip.actions.message.GetMessageAction

/*
* $$Id: GetMessageAction.java,v 1.8 2004/08/23 11:57:07 bel70 Exp $$
*
* ***** 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 <bel@jresearch.org>
*
* ***** END LICENSE BLOCK *****
*/
/*
* Created on Sep 25, 2003
*/
package org.jresearch.gossip.actions.message;
import java.sql.SQLException;

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.exception.SystemException;
import org.jresearch.gossip.forms.MessageForm;
import org.jresearch.gossip.forms.ProcessMessageForm;
/**
* DOCUMENT ME!
*
* @author Bel
*/
public abstract class GetMessageAction 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 {
    HttpSession session = request.getSession();
    MessageForm messageForm = new MessageForm();
    ProcessMessageForm pmForm = (ProcessMessageForm) form;
    ForumDAO dao = ForumDAO.getInstance();
    User user = (User) session.getAttribute(IConst.SESSION.USER_KEY);
    try {
     
      int fid = Integer.parseInt(pmForm.getFid());
      boolean isUserMod = dao.checkMod(fid, user);
      Forum currForum = dao.getForumInfo(fid);
      //      check access rights if forum invisible
      getServlet().log("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(IConst.TOKEN.DENIED));
      }
      Topic currThread = dao.getThreadInfo(Integer.parseInt(pmForm
          .getTid()));
      // check user access rights if current topic or completely forum is
      // locked
      getServlet()
          .log(
              "check user access rights if current topic or completely forum is locked");
      if (((currThread.getLocked() == IConst.Topic.STATUS_LOCKED) || (currForum
          .getLocked() == IConst.Forum.STATUS_COMPLETELY_LOCKED))
          && (!isUserMod)) {
        return (mapping.findForward(IConst.TOKEN.DENIED));
      }
      session.setAttribute(IConst.REQUEST.CURR_THREAD, currThread);
      currThread.setSubject(dao.getThreadSubject(pmForm.getTid()));
      Message mess = dao.getMessage(pmForm.getMid());
      if (mess == null) {
        return (new ActionForward("/ShowThread.do?fid="
            + pmForm.getFid() + "&tid=" + pmForm.getTid()
            + "&block=" + pmForm.getBlock(), true));
      } else {
        String fname = fillMessageForm(messageForm, mess, pmForm,
            request);
        request.setAttribute(fname, messageForm);
      }
    } catch (SQLException sqle) {
      getServlet().log("Connection.process", sqle);
      throw new SystemException(sqle);
    }
    return (mapping.findForward(IConst.TOKEN.PAGE));
  }
  /**
   * Fill message form and specify it's name in request scope
   *
   * @param messageForm
   * @param mess
   * @param form
   * @param request
   *
   * @return name of request attribute which will store messageForm
   */
  abstract protected String fillMessageForm(MessageForm messageForm,
      Message mess, ProcessMessageForm form, HttpServletRequest request);
}
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