<%@ page import="org.apache.log4j.*" %> <%@ page import="com.ecyrd.jspwiki.*" %> <%! public void jspInit() { wiki = WikiEngine.getInstance( getServletConfig() ); } String getVersionText( int ver ) { return ver > 0 ? ("version "+ver) : "current version"; } Category log = Category.getInstance("JSPWiki"); WikiEngine wiki; %> <% String pagereq = wiki.safeGetParameter( request, "page" ); String headerTitle = ""; if( pagereq == null ) { pagereq = "Main"; } NDC.push( wiki.getApplicationName()+":"+pagereq ); 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) 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 = wiki.getVersion( pagereq ); if( lastver > 1 ) { ver2 = lastver-1; } } String versionDescription1 = getVersionText( ver1 ); String versionDescription2 = getVersionText( ver2 ); log.debug("Request for page diff for '"+pagereq+"' from "+request.getRemoteHost()+" by "+request.getRemoteUser()+". R1="+ver1+", R2="+ver2 ); response.setContentType("text/html; charset="+wiki.getContentEncoding() ); %> <%=wiki.getApplicationName()%>: Diff <%=pagereq%> <%@ include file="cssinclude.js" %>
<%@ include file="LeftMenu.jsp" %>

<%@ include file="LeftMenuFooter.jsp" %>

<%@ include file="PageHeader.jsp" %> <% if( wiki.pageExists( pagereq ) ) { String diff = wiki.getDiff( pagereq, ver2, ver1 ); if( diff.length() == 0 ) diff = "No difference."; %> Difference between revision <%=versionDescription1%> and <%=versionDescription2%>

<%=diff%> <% } else { %> This page does not exist. Why don't you go and create it? <% } %>

Back to <%=pagereq%>, or to the Page History.

<% NDC.pop(); NDC.remove(); %>