org.omnifaces.application
Class ViewScopeEventListener

java.lang.Object
  org.omnifaces.application.ViewScopeEventListener

All Implemented Interfaces:

java.util.EventListener, javax.faces.event.FacesListener, javax.faces.event.SystemEventListener, javax.faces.event.ViewMapListener

public class ViewScopeEventListener
extends java.lang.Object
implements javax.faces.event.ViewMapListener

Listener for JSF view scope destroy events so that view scope provider implementation can be notified.

Since:

1.6

Author:

Bauke Scholtz

See Also:

ViewScopeProvider

Constructor Summary

ViewScopeEventListener()

Method Summary

boolean	isListenerForSource(java.lang.Object source) Returns true if given source is an instance of UIViewRoot.
void	processEvent(javax.faces.event.SystemEvent event) If the event is an instance of PreDestroyViewMapEvent, which means that the JSF view scope is about to be destroyed, then find the current instance of ViewScopeProvider and invoke its ViewScopeProvider.preDestroyView() method.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ViewScopeEventListener

public ViewScopeEventListener()

Method Detail

isListenerForSource

public boolean isListenerForSource(java.lang.Object source)

Returns true if given source is an instance of UIViewRoot.

Specified by:

isListenerForSource in interface javax.faces.event.SystemEventListener

processEvent

public void processEvent(javax.faces.event.SystemEvent event)
                  throws javax.faces.event.AbortProcessingException

If the event is an instance of PreDestroyViewMapEvent, which means that the JSF view scope is about to be destroyed, then find the current instance of ViewScopeProvider and invoke its ViewScopeProvider.preDestroyView() method.

Specified by:

processEvent in interface javax.faces.event.SystemEventListener

Throws:

javax.faces.event.AbortProcessingException