Package com.sun.faces.context

Class StateContext.DynamicAddRemoveListener

java.lang.Object

com.sun.faces.context.StateContext.DynamicAddRemoveListener

All Implemented Interfaces:

FacesListener, SystemEventListener, EventListener

Enclosing class:

StateContext

public class StateContext.DynamicAddRemoveListener
extends Object

A system event listener which is used to listen for changes on the component tree after restore view and before rendering out the view.

Constructor Summary

Constructors

Constructor	Description
DynamicAddRemoveListener(FacesContext context)	Constructor.

Method Summary

Modifier and Type	Method	Description
List<ComponentStruct>	getDynamicActions()	Get the list of adds/removes.
HashMap<String,UIComponent>	getDynamicComponents()	Get the hash map of dynamic components.
protected void	handleAdd(FacesContext context, UIComponent component)	Handle the add.
protected void	handleRemove(FacesContext context, UIComponent component)	Handle the remove.
boolean	isListenerForSource(Object source)	Are we listening for these particular changes.
void	processEvent(SystemEvent event)	Process the add/remove event.

Methods inherited from class java.lang.Object

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

Constructor Details

DynamicAddRemoveListener

public DynamicAddRemoveListener(FacesContext context)

Constructor.

Parameters:

context - the Faces context.

Method Details

getDynamicActions

public List<ComponentStruct> getDynamicActions()

Get the list of adds/removes.

Returns:

the list of adds/removes.

getDynamicComponents

public HashMap<String,UIComponent> getDynamicComponents()

Get the hash map of dynamic components.

Returns:

the hash map of dynamic components.

handleRemove

protected void handleRemove(FacesContext context, UIComponent component)

Handle the remove.

Parameters:

context - the Faces context.

component - the UI component to add to the list as a REMOVE.

handleAdd

protected void handleAdd(FacesContext context, UIComponent component)

Handle the add.

Parameters:

context - the Faces context.

component - the UI component to add to the list as an ADD.

processEvent

public void processEvent(SystemEvent event) throws AbortProcessingException

Process the add/remove event.

Specified by:

processEvent in interface SystemEventListener

Parameters:

event - the add/remove event.

Throws:

AbortProcessingException - when processing should be aborted.

isListenerForSource

public boolean isListenerForSource(Object source)

Are we listening for these particular changes.

Note we are only interested in UIComponent adds/removes that are not the UIViewRoot itself.

Specified by:

isListenerForSource in interface SystemEventListener

Parameters:

source - the source object we might be listening for.

Returns:

true if the source is OK, false otherwise.