javax.faces.event
Class ValueChangedEvent

java.lang.Object
  java.util.EventObject
      javax.faces.event.FacesEvent
          javax.faces.event.ValueChangedEvent

All Implemented Interfaces:

java.io.Serializable

public class ValueChangedEvent

extends FacesEvent

A ValueChangedEvent is a notification that the local value of the source component has been changed as a result of user interface activity. It is not fired unless validation of the new value was completed successfully.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

ValueChangedEvent(UIComponent component, java.lang.Object oldValue, java.lang.Object newValue)
Construct a new event object from the specified source component, old value, and new value.

Method Summary

java.lang.Object	getNewValue() Return the current local value of the source UIComponent.
java.lang.Object	getOldValue() Return the previous local value of the source UIComponent.

Methods inherited from class javax.faces.event.FacesEvent

getComponent

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueChangedEvent

public ValueChangedEvent(UIComponent component,
                         java.lang.Object oldValue,
                         java.lang.Object newValue)

Construct a new event object from the specified source component, old value, and new value.

Parameters:

component - Source UIComponent for this event

oldValue - The previous local value of this UIComponent

newValue - The new local value of thie UIComponent

Throws:

java.lang.IllegalArgumentException - if component is null

Method Detail

getOldValue

public java.lang.Object getOldValue()

Return the previous local value of the source UIComponent.

getNewValue

public java.lang.Object getNewValue()

Return the current local value of the source UIComponent.