/**
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, version 2.1, dated February 1999.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the latest version of the GNU Lesser General
* Public License as published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program (LICENSE.txt); if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.jamwiki.servlets;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;
import org.jamwiki.WikiBase;
import org.jamwiki.WikiMessage;
import org.jamwiki.model.Topic;
import org.jamwiki.model.VirtualWiki;
import org.jamwiki.utils.WikiLogger;
import org.jamwiki.utils.WikiUtil;
import org.springframework.web.servlet.ModelAndView;
/**
* Used for display a list of all categories that are currently in use for a
* virtual wiki.
*/
public class TopicServlet extends JAMWikiServlet {
/** Logger for this class and subclasses. */
private static final WikiLogger logger = WikiLogger.getLogger(TopicServlet.class.getName());
/** The name of the JSP file used to render the servlet output. */
protected static final String JSP_CATEGORIES = "categories.jsp";
/**
*
*/
protected ModelAndView handleJAMWikiRequest(HttpServletRequest request, HttpServletResponse response, ModelAndView next, WikiPageInfo pageInfo) throws Exception {
view(request, next, pageInfo);
return next;
}
private void view(HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo) throws Exception {
String topicName = WikiUtil.getTopicFromURI(request);
if (StringUtils.isBlank(topicName)) {
String virtualWikiName = pageInfo.getVirtualWikiName();
VirtualWiki virtualWiki = WikiBase.getDataHandler().lookupVirtualWiki(virtualWikiName);
topicName = virtualWiki.getDefaultTopicName();
}
String virtualWiki = pageInfo.getVirtualWikiName();
if (StringUtils.isBlank(virtualWiki)) {
virtualWiki = WikiBase.DEFAULT_VWIKI;
}
Topic topic = ServletUtil.initializeTopic(virtualWiki, topicName);
if (topic.getContent()==null) {
// topic does not exist, display empty page
WikiMessage wikiMessage = new WikiMessage("topic.notcreated");
// topic name is escaped from WikiUtil.getTopicFromURI, so do not double-escape
wikiMessage.setParamsWithoutEscaping(new String[]{topicName});
next.addObject("notopic", wikiMessage);
}
WikiMessage pageTitle = new WikiMessage("topic.title", topicName);
ServletUtil.viewTopic(request, next, pageInfo, pageTitle, topic, true, true);
}
}