org.zkoss.jsf.zul.util
Class HttpFacesContextFilter

java.lang.Object
  org.zkoss.jsf.zul.util.HttpFacesContextFilter

All Implemented Interfaces:

javax.servlet.Filter

public class HttpFacesContextFilter
extends java.lang.Object
implements javax.servlet.Filter

This class filter the zkLoader and au request, and initial a FacesContext for this request, so, You can access FacesContext by FacesContext.getCurrentInstance();
Configuration in web.xml

 <filter>
     <filter-name>ZK FacesContext Filter</filter-name>
     <filter-class>org.zkoss.jsf.zul.util.HttpFacesContextFilter</filter-class>
     <init-param>
         <param-name>update-uri</param-name>
         <param-value>/zkau</param-value>
     </init-param>
 </filter>
 <filter-mapping>
     <filter-name>ZK FacesContext Filter</filter-name>
     <servlet-name>zkLoader</servlet-name>
 </filter-mapping> 
 <filter-mapping>
     <filter-name>ZK FacesContext Filter</filter-name>
     <servlet-name>auEngine</servlet-name>
 </filter-mapping>  
   
 

Author:

Dennis.Chen

Field Summary

static java.lang.String

VIEWID_KEY

Constructor Summary

HttpFacesContextFilter()

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

VIEWID_KEY

public static java.lang.String VIEWID_KEY

Constructor Detail

HttpFacesContextFilter

public HttpFacesContextFilter()

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 java.io.IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

java.io.IOException

javax.servlet.ServletException