Examples of org.apache.wiki.WikiContext

org.apache.wiki.WikiContext

Provides state information throughout the processing of a page. A WikiContext is born when the JSP pages that are the main entry points, are invoked. The JSPWiki engine creates the new WikiContext, which basically holds information about the page, the handling engine, and in which context (view, edit, etc) the call was done.

A WikiContext also provides request-specific variables, which can be used to communicate between plugins on the same page, or between different instances of the same plugin. A WikiContext variable is valid until the processing of the page has ended. For an example, please see the Counter plugin.

When a WikiContext is created, it automatically associates a {@link WikiSession} object with the user's HttpSession. TheWikiSession contains information about the user's authentication status, and is consulted by {@link #getCurrentUser()}. object

Do not cache the page object that you get from the WikiContext; always use getPage()!
@see org.apache.wiki.plugin.Counter

    /** {@inheritDoc} */
    public final int doWikiStartTag()
        throws IOException
    {
        WikiEngine engine = m_wikiContext.getEngine();
        WikiContext ctx;
        
        if( m_pageName == null )
        {
            ctx = m_wikiContext;
        }
        else
        {
            ctx = (WikiContext)m_wikiContext.clone();
            ctx.setPage( engine.getPage(m_pageName) );
        }


        Integer vernew = (Integer) pageContext.getAttribute( ATTR_NEWVERSION,
                                                             PageContext.REQUEST_SCOPE );
        Integer verold = (Integer) pageContext.getAttribute( ATTR_OLDVERSION,
                                                             PageContext.REQUEST_SCOPE );


        log.info("Request diff between version "+verold+" and "+vernew);


        if( ctx.getPage() != null )
        {
            JspWriter out = pageContext.getOut();


            String diff = engine.getDiff( ctx, 
                                          vernew.intValue(),

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                /**
                 *  We want inclusion to occur within the context of
                 *  its own page, because we need the links to be correct.
                 */
                
                WikiContext includedContext = (WikiContext) context.clone();
                includedContext.setPage( page );


                String pageData = engine.getPureText( page );
                String moreLink = "";


                if( section != -1 )

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            String username = author.getName();


            WikiPage entryPage = new WikiPage( m_engine, pageName );
            entryPage.setAuthor( username );


            WikiContext context = new WikiContext( m_engine, request, entryPage );


            StringBuffer text = new StringBuffer();
            text.append( "!"+title.getBody() );
            text.append( "\n\n" );
            text.append( content.getBody() );

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            if( !("true".equals(p.getAttribute(WeblogPlugin.ATTR_ISWEBLOG)) ) )
                continue;


            String encodedName = TextUtil.urlEncodeUTF8( p.getName() );


            WikiContext context = new WikiContext( m_engine, p );


            String title = TextUtil.replaceEntities(org.apache.wiki.rss.Feed.getSiteName(context));


            Link postlink = createLink( "service.post",
                                        m_engine.getBaseURL()+"atom/"+encodedName,

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    private void buildContext()
    {
        //
        //  Build a clone of the current context
        //
        WikiContext context = (WikiContext)m_wikiContext.clone();
        
        Object o = m_iterator.next();
        
        if( o instanceof WikiPage )
            context.setPage( (WikiPage)o );


        //
        //  Push it to the iterator stack, and set the id.
        //
        pageContext.setAttribute( WikiTagBase.ATTR_CONTEXT,

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     * @return map of TimeFormats
     * @since 2.7.x
     */
    public Map listTimeFormats(PageContext pageContext)
    {
        WikiContext context = WikiContext.findContext( pageContext ); 
        Properties props = m_engine.getWikiProperties();
        ArrayList<String> tfArr = new ArrayList<String>(40);
        LinkedHashMap<String,String> resultMap = new LinkedHashMap<String,String>();


        /* filter timeformat properties */

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                acl = getPermissions(parent);
            } else {
                //
                //  Or, try parsing the page
                //
                WikiContext ctx = new WikiContext(m_engine, page);


                ctx.setVariable(RenderingManager.VAR_EXECUTE_PLUGINS, Boolean.FALSE);


                m_engine.getHTML(ctx, page);


                page = m_engine.getPage(page.getName(), page.getVersion());
                acl = page.getAcl();

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            //   interpreting the jsp)


            try
            {
                w.enterState( "Delivering response", 30 );
                WikiContext wikiContext = getWikiContext( request );
                String r = filter( wikiContext, responseWrapper );
                
                if (m_useOutputStream) 
                {
                    OutputStreamWriter out = new OutputStreamWriter(response.getOutputStream(), 
                                                                    response.getCharacterEncoding());
                    out.write(r);
                    out.flush();
                    out.close();
                }
                else 
                {
                    response.getWriter().write(r);
                }
            
                // Clean up the UI messages and loggers
                if( wikiContext != null )
                {
                    wikiContext.getWikiSession().clearMessages();
                }


                // fire PAGE_DELIVERED event
                fireEvent( WikiPageEvent.PAGE_DELIVERED, pagename );

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     */
    protected WikiContext getWikiContext( ServletRequest  request )
    {
        HttpServletRequest httpRequest = (HttpServletRequest) request;
    
        WikiContext ctx = (WikiContext) httpRequest.getAttribute( WikiTagBase.ATTR_CONTEXT );
        
        return ctx;
    }

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    public final int doAfterBody()
        throws JspException
    {
        try
        {
            WikiContext context = (WikiContext) pageContext.getAttribute( WikiTagBase.ATTR_CONTEXT,
                                                                          PageContext.REQUEST_SCOPE );


            //
            //  Because the TranslateTag should not affect any of the real page attributes
            //  we have to make a clone here.
            //
            
            context = context.deepClone();
            
            //
            //  Get the page data.
            //
            BodyContent bc = getBodyContent();
            String wikiText = bc.getString();
            bc.clearBody();


            if( wikiText != null )
            {
                wikiText = wikiText.trim();
            
                String result = context.getEngine().textToHTML( context, wikiText );


                getPreviousOut().write( result );
            }
        }
        catch( Exception e )

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Related Classes of org.apache.wiki.WikiContext

org.apache.wiki.attachment.AttachmentManagerTest

org.apache.wiki.attachment.AttachmentServlet

org.apache.wiki.auth.acl.DefaultAclManager

org.apache.wiki.auth.permissions.AllPermission

org.apache.wiki.auth.user.UserDatabase

org.apache.wiki.auth.UserManager

org.apache.wiki.dav.items.HTMLPageDavItem

org.apache.wiki.diff.ContextualDiffProviderTest

org.apache.wiki.filters.SpamFilter

org.apache.wiki.parser.JSPWikiMarkupParser

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