| <%-- |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| --%> |
| |
| <%@ page import="org.apache.log4j.*" %> |
| <%@ page import="org.apache.wiki.*" %> |
| <%@ page import="org.apache.wiki.util.HttpUtil" %> |
| <%@ page import="org.apache.wiki.preferences.Preferences" %> |
| <%@ page import="org.apache.wiki.util.*" %> |
| <%@ page import="org.apache.wiki.tags.InsertDiffTag" %> |
| <%@ page errorPage="/Error.jsp" %> |
| <%@ taglib uri="http://jspwiki.apache.org/tags" prefix="wiki" %> |
| |
| <%! |
| Logger log = Logger.getLogger("JSPWiki"); |
| %> |
| |
| <% |
| WikiEngine wiki = WikiEngine.getInstance( getServletConfig() ); |
| // Create wiki context and check for authorization |
| WikiContext wikiContext = wiki.createContext( request, WikiContext.DIFF ); |
| if( !wiki.getAuthorizationManager().hasAccess( wikiContext, response ) ) return; |
| if( wikiContext.getCommand().getTarget() == null ) { |
| response.sendRedirect( wikiContext.getURL( wikiContext.getRequestContext(), wikiContext.getName() ) ); |
| return; |
| } |
| String pagereq = wikiContext.getName(); |
| |
| WatchDog w = wiki.getCurrentWatchDog(); |
| try |
| { |
| w.enterState("Generating INFO response",60); |
| |
| // Notused ? |
| // String pageurl = wiki.encodeName( pagereq ); |
| |
| // If "r1" is null, then assume current version (= -1) |
| // If "r2" is null, then assume the previous version (=current version-1) |
| |
| // FIXME: There is a set of unnecessary conversions here: InsertDiffTag |
| // does the String->int conversion anyway. |
| |
| WikiPage wikipage = wikiContext.getPage(); |
| |
| String srev1 = request.getParameter("r1"); |
| String srev2 = request.getParameter("r2"); |
| |
| int ver1 = -1, ver2 = -1; |
| |
| if( srev1 != null ) |
| { |
| ver1 = Integer.parseInt( srev1 ); |
| } |
| |
| if( srev2 != null ) |
| { |
| ver2 = Integer.parseInt( srev2 ); |
| } |
| else |
| { |
| int lastver = wikipage.getVersion(); |
| |
| if( lastver > 1 ) |
| { |
| ver2 = lastver-1; |
| } |
| } |
| |
| pageContext.setAttribute( InsertDiffTag.ATTR_OLDVERSION, |
| new Integer(ver1), |
| PageContext.REQUEST_SCOPE ); |
| pageContext.setAttribute( InsertDiffTag.ATTR_NEWVERSION, |
| new Integer(ver2), |
| PageContext.REQUEST_SCOPE ); |
| |
| // log.debug("Request for page diff for '"+pagereq+"' from "+HttpUtil.getRemoteAddress(request)+" by "+request.getRemoteUser()+". R1="+ver1+", R2="+ver2 ); |
| |
| // Set the content type and include the response content |
| response.setContentType("text/html; charset="+wiki.getContentEncoding() ); |
| String contentPage = wiki.getTemplateManager().findJSP( pageContext, |
| wikiContext.getTemplate(), |
| "ViewTemplate.jsp" ); |
| %><wiki:Include page="<%=contentPage%>" /> |
| <% } finally { w.exitState(); } %> |