com.ecyrd.jspwiki.ui
Class WikiServletFilter

java.lang.Object
  extended by com.ecyrd.jspwiki.ui.WikiServletFilter
All Implemented Interfaces:
javax.servlet.Filter

public class WikiServletFilter
extends Object
implements javax.servlet.Filter

This filter goes through the generated page response prior and places requested resources at the appropriate inclusion markers. This is done to let dynamic content (e.g. plugins, editors) include custom resources, even after the HTML head section is in fact built.

Inclusion markers are placed by the IncludeResourcesTag; the defult content templates (see .../templates/default/commonheader.jsp) are configured to do this. As an example, a JavaScript resource marker is added like this:

 <wiki:IncludeResources type="script"/>
 
Any code that requires special resources must register a resource request with the TemplateManager. For example:
 <wiki:RequestResource type="script" path="scripts/custom.js" />
 
or programmatically,
 TemplateManager.addResourceRequest( context, TemplateManager.RESOURCE_SCRIPT, "scripts/customresource.js" );
 

See Also:
TemplateManager, RequestResourceTag

Field Summary
protected static org.apache.log4j.Logger log
           
 
Constructor Summary
WikiServletFilter()
           
 
Method Summary
 void destroy()
           
 void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
           
 void init(javax.servlet.FilterConfig config)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

log

protected static org.apache.log4j.Logger log
Constructor Detail

WikiServletFilter

public WikiServletFilter()
Method Detail

init

public void init(javax.servlet.FilterConfig config)
          throws javax.servlet.ServletException
Specified by:
init in interface javax.servlet.Filter
Throws:
javax.servlet.ServletException

destroy

public void destroy()
Specified by:
destroy in interface javax.servlet.Filter

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws javax.servlet.ServletException,
                     IOException
Specified by:
doFilter in interface javax.servlet.Filter
Throws:
javax.servlet.ServletException
IOException