jforum example source code file (Delete.jsp)

This example jforum source code file (Delete.jsp) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - jforum tags/keywords

deleting, deleting, enumeration, enumeration, jspwiki, logger, string, string, user, wikicontext, wikiengine, wikipage, wikipage

The jforum Delete.jsp source code

<%@ page import="org.apache.log4j.*" %>
<%@ page import="com.ecyrd.jspwiki.*" %>
<%@ page import="java.util.*" %>
<%@ page errorPage="/Error.jsp" %>
<%@ taglib uri="/WEB-INF/jspwiki.tld" prefix="wiki" %>

<%! 
    public void jspInit()
    {
        wiki = WikiEngine.getInstance( getServletConfig() );
    }

    Logger log = Logger.getLogger("JSPWiki");
    WikiEngine wiki;
%>

<%
    // Create wiki context and check for authorization
    WikiContext wikiContext = wiki.createContext( request, WikiContext.DELETE );
    if(!wikiContext.hasAccess( response )) return;
    String pagereq = wikiContext.getName();

    WikiPage wikipage      = wikiContext.getPage();
    WikiPage latestversion = wiki.getPage( pagereq );

    String delete = request.getParameter( "delete" );
    String deleteall = request.getParameter( "delete-all" );

    if( latestversion == null )
    {
        latestversion = wikiContext.getPage();
    }

    if( deleteall != null )
    {
        log.info("Deleting page "+pagereq+". User="+request.getRemoteUser()+", host="+request.getRemoteAddr() );

        wiki.deletePage( pagereq );
        response.sendRedirect(wiki.getViewURL(pagereq));
        return;
    }
    else if( delete != null )
    {
        log.info("Deleting a range of pages from "+pagereq);
        
        for( Enumeration params = request.getParameterNames(); params.hasMoreElements(); )
        {
            String paramName = (String)params.nextElement();
            
            if( paramName.startsWith("delver") )
            {
                int version = Integer.parseInt( paramName.substring(7) );
                
                WikiPage p = wiki.getPage( pagereq, version );
                
                log.debug("Deleting version "+version);
                wiki.deleteVersion( p );
            }
        }
        
        response.sendRedirect(wiki.getURL( WikiContext.INFO, pagereq, null, false ));
        return; 
    }

    // Set the content type and include the response content
    // FIXME: not so.
    response.setContentType("text/html; charset="+wiki.getContentEncoding() );
    String contentPage = wiki.getTemplateManager().findJSP( pageContext,
                                                            wikiContext.getTemplate(),
                                                            "EditTemplate.jsp" );
%><wiki:Include page="<%=contentPage%>" />