示例#1
0
 /**
  * Retrieve the content of a topic from the cache, or if it is not yet in the cache then add it to
  * the cache.
  *
  * @param context The servlet context for the topic being retrieved. May be <code>null</code> if
  *     the <code>cook</code> parameter is set to <code>false</code>.
  * @param locale The locale for the topic being retrieved. May be <code>null</code> if the <code>
  *     cook</code> parameter is set to <code>false</code>.
  * @param virtualWiki The virtual wiki for the topic being retrieved.
  * @param topicName The name of the topic being retrieved.
  * @param cook A parameter indicating whether or not the content should be parsed before it is
  *     added to the cache. Stylesheet content (CSS) is not parsed, but most other content is
  *     parsed.
  * @return The parsed or unparsed (depending on the <code>cook</code> parameter) topic content.
  */
 protected static String cachedContent(
     String context, Locale locale, String virtualWiki, String topicName, boolean cook) {
   String content = null;
   String key = WikiCache.key(virtualWiki, topicName);
   Element cacheElement = WikiCache.retrieveFromCache(WikiBase.CACHE_PARSED_TOPIC_CONTENT, key);
   if (cacheElement != null) {
     content = (String) cacheElement.getObjectValue();
     return (content == null) ? null : new String(content);
   }
   try {
     Topic topic = WikiBase.getDataHandler().lookupTopic(virtualWiki, topicName, false, null);
     content = topic.getTopicContent();
     if (cook) {
       ParserInput parserInput = new ParserInput();
       parserInput.setContext(context);
       parserInput.setLocale(locale);
       parserInput.setVirtualWiki(virtualWiki);
       parserInput.setTopicName(topicName);
       content = Utilities.parse(parserInput, null, content);
     }
     WikiCache.addToCache(WikiBase.CACHE_PARSED_TOPIC_CONTENT, key, content);
   } catch (Exception e) {
     logger.warning("error getting cached page " + virtualWiki + " / " + topicName, e);
     return null;
   }
   return content;
 }
示例#2
0
 public static String getCachedContent(
     HttpServletRequest request, String virtualWiki, String topicName, boolean cook) {
   String content = (String) cachedContents.get(virtualWiki + "-" + topicName);
   if (content == null) {
     try {
       Topic topic = WikiBase.getHandler().lookupTopic(virtualWiki, topicName);
       content = topic.getTopicContent();
       if (cook) {
         ParserInfo parserInfo = new ParserInfo(request.getContextPath(), request.getLocale());
         parserInfo.setVirtualWiki(virtualWiki);
         content = Utilities.parse(parserInfo, content, topicName);
       }
       cachedContents.put(virtualWiki + "-" + topicName, content);
     } catch (Exception e) {
       logger.warn("error getting cached page " + virtualWiki + " / " + topicName, e);
       return null;
     }
   }
   return content;
 }
示例#3
0
 /**
  * Action used when viewing a topic.
  *
  * @param request The servlet request object.
  * @param next The Spring ModelAndView object.
  * @param topicName The topic being viewed. This value must be a valid topic that can be loaded as
  *     a org.jamwiki.model.Topic object.
  */
 protected void viewTopic(
     HttpServletRequest request,
     ModelAndView next,
     WikiMessage pageTitle,
     Topic topic,
     boolean sectionEdit)
     throws Exception {
   // FIXME - what should the default be for topics that don't exist?
   String contents = "";
   if (topic == null) {
     throw new WikiException(new WikiMessage("common.exception.notopic"));
   }
   String virtualWiki = topic.getVirtualWiki();
   String topicName = topic.getName();
   String displayName = request.getRemoteAddr();
   WikiUser user = Utilities.currentUser(request);
   ParserInfo parserInfo = new ParserInfo(request.getContextPath(), request.getLocale());
   parserInfo.setWikiUser(user);
   parserInfo.setTopicName(topicName);
   parserInfo.setUserIpAddress(request.getRemoteAddr());
   parserInfo.setVirtualWiki(virtualWiki);
   parserInfo.setAllowSectionEdit(sectionEdit);
   contents = Utilities.parse(parserInfo, topic.getTopicContent(), topicName);
   if (StringUtils.hasText(request.getParameter("highlight"))) {
     // search servlet highlights search terms, so add that here
     contents = AbstractSearchEngine.highlightHTML(contents, request.getParameter("highlight"));
   }
   topic.setTopicContent(contents);
   if (topic.getTopicType() == Topic.TYPE_IMAGE) {
     List fileVersions =
         WikiBase.getHandler().getAllWikiFileVersions(virtualWiki, topicName, true);
     next.addObject("fileVersions", fileVersions);
   }
   this.pageInfo.setSpecial(false);
   this.pageInfo.setTopicName(topicName);
   next.addObject(JAMWikiServlet.PARAMETER_TOPIC_OBJECT, topic);
   this.pageInfo.setPageTitle(pageTitle);
 }
示例#4
0
 /**
  * Utility method used when viewing a topic.
  *
  * @param request The current servlet request object.
  * @param next The current Spring ModelAndView object.
  * @param pageInfo The current WikiPageInfo object, which contains information needed for
  *     rendering the final JSP page.
  * @param pageTitle The title of the page being rendered.
  * @param topic The Topic object for the topic being displayed.
  * @param sectionEdit Set to <code>true</code> if edit links should be displayed for each section
  *     of the topic.
  * @throws Exception Thrown if any error occurs during processing.
  */
 protected static void viewTopic(
     HttpServletRequest request,
     ModelAndView next,
     WikiPageInfo pageInfo,
     WikiMessage pageTitle,
     Topic topic,
     boolean sectionEdit)
     throws Exception {
   // FIXME - what should the default be for topics that don't exist?
   if (topic == null) {
     throw new WikiException(new WikiMessage("common.exception.notopic"));
   }
   WikiUtil.validateTopicName(topic.getName());
   if (topic.getTopicType() == Topic.TYPE_REDIRECT
       && (request.getParameter("redirect") == null
           || !request.getParameter("redirect").equalsIgnoreCase("no"))) {
     Topic child = Utilities.findRedirectedTopic(topic, 0);
     if (!child.getName().equals(topic.getName())) {
       pageInfo.setRedirectName(topic.getName());
       pageTitle = new WikiMessage("topic.title", child.getName());
       topic = child;
     }
   }
   String virtualWiki = topic.getVirtualWiki();
   String topicName = topic.getName();
   WikiUser user = Utilities.currentUser();
   if (sectionEdit && !ServletUtil.isEditable(virtualWiki, topicName, user)) {
     sectionEdit = false;
   }
   ParserInput parserInput = new ParserInput();
   parserInput.setContext(request.getContextPath());
   parserInput.setLocale(request.getLocale());
   parserInput.setWikiUser(user);
   parserInput.setTopicName(topicName);
   parserInput.setUserIpAddress(request.getRemoteAddr());
   parserInput.setVirtualWiki(virtualWiki);
   parserInput.setAllowSectionEdit(sectionEdit);
   ParserDocument parserDocument = new ParserDocument();
   String content = Utilities.parse(parserInput, parserDocument, topic.getTopicContent());
   // FIXME - the null check should be unnecessary
   if (parserDocument != null && parserDocument.getCategories().size() > 0) {
     LinkedHashMap categories = new LinkedHashMap();
     for (Iterator iterator = parserDocument.getCategories().keySet().iterator();
         iterator.hasNext(); ) {
       String key = (String) iterator.next();
       String value =
           key.substring(
               NamespaceHandler.NAMESPACE_CATEGORY.length()
                   + NamespaceHandler.NAMESPACE_SEPARATOR.length());
       categories.put(key, value);
     }
     next.addObject("categories", categories);
   }
   topic.setTopicContent(content);
   if (topic.getTopicType() == Topic.TYPE_CATEGORY) {
     loadCategoryContent(next, virtualWiki, topic.getName());
   }
   if (topic.getTopicType() == Topic.TYPE_IMAGE || topic.getTopicType() == Topic.TYPE_FILE) {
     Collection fileVersions =
         WikiBase.getDataHandler().getAllWikiFileVersions(virtualWiki, topicName, true);
     for (Iterator iterator = fileVersions.iterator(); iterator.hasNext(); ) {
       // update version urls to include web root path
       WikiFileVersion fileVersion = (WikiFileVersion) iterator.next();
       String url =
           FilenameUtils.normalize(
               Environment.getValue(Environment.PROP_FILE_DIR_RELATIVE_PATH)
                   + "/"
                   + fileVersion.getUrl());
       url = FilenameUtils.separatorsToUnix(url);
       fileVersion.setUrl(url);
     }
     next.addObject("fileVersions", fileVersions);
     if (topic.getTopicType() == Topic.TYPE_IMAGE) {
       next.addObject("topicImage", new Boolean(true));
     } else {
       next.addObject("topicFile", new Boolean(true));
     }
   }
   pageInfo.setSpecial(false);
   pageInfo.setTopicName(topicName);
   next.addObject(ServletUtil.PARAMETER_TOPIC_OBJECT, topic);
   if (pageTitle != null) {
     pageInfo.setPageTitle(pageTitle);
   }
 }