Filter definition and mapping in portlet.xml

<filter> 
<filter-name>Example ColdFusion Filter</filter-name> 
<filter-class>coldfusion.portlet.ColdFusionPortletFilter</filter-class> 
<lifecycle>RENDER_PHASE</lifecycle> 
<lifecycle>EVENT_PHASE</lifecycle> 
<lifecycle>RESOURCE_PHASE</lifecycle> 
<lifecycle>ACTION_PHASE</lifecycle> 
<init-param> 
<name>cfcName</name> 
<value>portlets.filter.ExampleFilter</value> 
</init-param> 
</filter>

Add filter mapping, that filter applied to particular portlet.

<!-- Applies Example Filter to All Portlets --> 
<filter-mapping> 
<filter-name>Example ColdFusion Filter</filter-name> 
<portlet-name>*</portlet-name> 
</filter-mapping>

ExampleFilter.cfc:

The following is the ExampleFilter.cfc mentioned in the portlet.xml.

<cfcomponent extends="CFIDE.portlets.filter.ColdFusionPortletFilter"> 
<cffunction name="doRenderFilter" returntype="void"> 
<cfargument name="renderRequest"> 
<cfargument name="renderResponse"> 
<cfargument name="filterChain"> 
<cflog file="portlet-filter" type="information" text="doRenderFilter() invoked"> 
<!--- call the next filter in the chain ---> 
<cfset arguments.filterChain.doFilter(arguments.renderRequest, arguments.renderResponse)> 
</cffunction> 
<cffunction name="doActionFilter" returntype="void"> 
<cfargument name="actionRequest"> 
<cfargument name="actionResponse"> 
<cfargument name="filterChain"> 
<cflog file="portlet-filter" type="information" text="doActionFilter() invoked"> 
<!--- call the next filter in the chain ---> 
<cfset arguments.filterChain.doFilter(arguments.actionRequest, arguments.actionResponse)> 
</cffunction> 
<cffunction name="doResourceFilter" returntype="void"> 
<cfargument name="resourceRequest"> 
<cfargument name="resourceResponse"> 
<cfargument name="filterChain"> 
<cflog file="portlet-filter" type="information" text="doResourceFilter() invoked"> 
<!--- call the next filter in the chain ---> 
<cfset arguments.filterChain.doFilter(arguments.resourceRequest, arguments.resourceResponse)> 
</cffunction> 
<cffunction name="doEventFilter" returntype="void"> 
<cfargument name="eventRequest"> 
<cfargument name="eventResponse"> 
<cfargument name="filterChain"> 
<cflog file="portlet-filter" type="information" text="doEventFilter() invoked">
<!--- call the next filter in the chain ---> 
<cfset arguments.filterChain.doFilter(arguments.eventRequest, arguments.eventResponse)> 
</cffunction> 
</cfcomponent>

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