| <%@ page import="org.apache.log4j.*" %> |
| <%@ page import="com.ecyrd.jspwiki.*" %> |
| <%@ page import="com.ecyrd.jspwiki.util.*" %> |
| <%@ page import="com.ecyrd.jspwiki.tags.InsertDiffTag" %> |
| <%@ page errorPage="/Error.jsp" %> |
| <%@ taglib uri="/WEB-INF/jspwiki.tld" 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(!wikiContext.hasAccess( response )) 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 "+request.getRemoteAddr()+" 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(); } %> |