/*
* $$Id: BaseAction.java,v 1.24 2004/09/07 13:24:54 bel70 Exp $$
*
* ***** 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 09.05.2003
*
*/
package org.jresearch.gossip.actions;
import java.sql.SQLException;
import java.util.Date;
import java.util.HashMap;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.Action;
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.am.StrutsConfigurationHelperAction;
import org.jresearch.gossip.am.StrutsPermissionMapping;
import org.jresearch.gossip.am.model.IPermissionGuard;
import org.jresearch.gossip.am.values.PermissionPoint;
import org.jresearch.gossip.beans.user.EntryList;
import org.jresearch.gossip.beans.user.User;
import org.jresearch.gossip.dao.ForumDAO;
import org.jresearch.gossip.exception.JGossipException;
import org.jresearch.gossip.exception.SystemException;
import org.jresearch.gossip.log.LogLevel;
import org.jresearch.gossip.log.avalon.JGossipLog;
/**
* DOCUMENT ME!
*
* @author Bel
*/
public abstract class BaseAction extends Action {
/**
* DOCUMENT ME!
*
* @param request
* DOCUMENT ME!
* @param mess
* DOCUMENT ME!
* @param append
* DOCUMENT ME!
*/
public void log(HttpServletRequest request, String mess, String append) {
HttpSession session = request.getSession();
User user = (User) session.getAttribute(IConst.SESSION.USER_KEY);
MessageResources messages = getResources(request);
StringBuffer sb = new StringBuffer();
sb.append(messages.getMessage(mess));
sb.append(" ");
sb.append(append);
JGossipLog.audit(LogLevel.INFO, user, sb.toString(), session);
}
/**
* DOCUMENT ME!
*
* @param session
* DOCUMENT ME!
* @param key
* DOCUMENT ME!
* @param arg0
* DOCUMENT ME!
* @param arg1
* DOCUMENT ME!
*/
public void setStatusMessage(HttpServletRequest request, String key,
String arg0, String arg1) {
MessageResources messages = getResources(request);
String message = messages.getMessage(super.getLocale(request), key,
arg0, arg1);
request.getSession().setAttribute(IConst.SESSION.STATUS_MESSAGE,
message);
}
/**
* DOCUMENT ME!
*
* @param session
* DOCUMENT ME!
* @param key
* DOCUMENT ME!
* @param arg0
* DOCUMENT ME!
*/
public void setStatusMessage(HttpServletRequest request, String key,
String arg0) {
setStatusMessage(request, key, arg0, "");
}
/**
* DOCUMENT ME!
*
* @param session
* DOCUMENT ME!
* @param key
* DOCUMENT ME!
*/
public void setStatusMessage(HttpServletRequest request, String key) {
setStatusMessage(request, key, "");
}
/**
* DOCUMENT ME!
*
* @param request
* DOCUMENT ME!
* @param mess
* DOCUMENT ME!
*/
public void log(HttpServletRequest request, String mess) {
log(request, mess, "");
}
/**
* DOCUMENT ME!
*
* @param mapping
* DOCUMENT ME!
* @param form
* DOCUMENT ME!
* @param request
* DOCUMENT ME!
* @param response
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*
* @throws Exception
* DOCUMENT ME!
*/
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
if (!haveAccess(request, mapping)) { return (mapping
.findForward(IConst.TOKEN.DENIED)); }
HttpSession session = request.getSession();
MessageResources messages = getResources(request);
ActionForward forward = this.process(mapping, form, request, response);
afterProcess(mapping, form, request, response);
request.setAttribute(IConst.REQUEST.REQUEST_URI, request
.getRequestURI());
ForumDAO forumDAO = ForumDAO.getInstance();
if (session.getAttribute(IConst.SESSION.LAST_UPDATE_DATE) == null) {
session.setAttribute(IConst.SESSION.LAST_UPDATE_DATE, new Date());
}
try {
EntryList elist = new EntryList();
forumDAO.fillEntryList(elist);
request.setAttribute(IConst.REQUEST.ENTRY_LIST, elist);
if ((session.getAttribute(IConst.SESSION.GROUPS_KEY) == null)
|| (((Date) session
.getAttribute(IConst.SESSION.LAST_UPDATE_DATE))
.before((Date) getServlet().getServletContext()
.getAttribute(
IConst.CONTEXT.LAST_UPDATE_DATE)))) {
User user = (User) session
.getAttribute(IConst.SESSION.USER_KEY);
session.setAttribute(IConst.SESSION.GROUPS_KEY, forumDAO
.getGroups(user.getStatus(), false));
session.setAttribute(IConst.SESSION.LAST_UPDATE_DATE,
new Date());
}
} catch (SQLException sqle) {
getServlet().log("Connection.process", sqle);
throw new SystemException(sqle);
}
return (forward);
}
/**
* @param request
* @param mapping
* @return @throws
* SystemException
*/
private boolean haveAccess(HttpServletRequest request, ActionMapping mapping)
throws SystemException {
HttpSession session = request.getSession();
if (session.getAttribute(IConst.SESSION.PERMISSION_GUARD_KEY) == null) { throw new SystemException(
"PERMISSION_GUARD not found in session"); }
IPermissionGuard guard = (IPermissionGuard) session
.getAttribute(IConst.SESSION.PERMISSION_GUARD_KEY);
HashMap permissionMapping = StrutsConfigurationHelperAction
.retrieveStrutsActionMapping(request.getSession()
.getServletContext());
StrutsPermissionMapping spm = (StrutsPermissionMapping) permissionMapping
.get(mapping.getPath());
if (spm != null) {
PermissionPoint point = new PermissionPoint(spm.getAmObjectId()
.intValue(), spm.getAmOperationId().intValue());
return guard.checkPermission(point);
}
return true;
}
/**
* DOCUMENT ME!
*
* @param mapping
* DOCUMENT ME!
* @param form
* DOCUMENT ME!
* @param request
* DOCUMENT ME!
* @param response
* DOCUMENT ME!
*/
protected void afterProcess(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
}
/**
* DOCUMENT ME!
*
* @param mapping
* DOCUMENT ME!
* @param form
* DOCUMENT ME!
* @param request
* DOCUMENT ME!
* @param response
* DOCUMENT ME!
*
* @return DOCUMENT ME!
* @throws SystemException
*/
protected abstract ActionForward process(ActionMapping mapping,
ActionForm form, HttpServletRequest request,
HttpServletResponse response) throws JGossipException;
}