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javax.faces.event
Class ActionEvent
java.lang.Object
java.util.EventObject
javax.faces.event.FacesEvent
javax.faces.event.ActionEvent
All Implemented Interfaces:
Serializable
public class ActionEvent
extends FacesEvent
An ActionEvent represents the activation of a user interface component (such as a UICommand).
See Also:
Serialized Form
Field Summary
Fields inherited from class java.util.EventObject
source
Constructor Summary
Constructors Constructor and Description
ActionEvent(FacesContext facesContext, UIComponent component)
Construct a new event object from the Faces context, specified source component and action command.
ActionEvent(UIComponent component)
Construct a new event object from the specified source component and action command.
Method Summary
All MethodsInstance MethodsConcrete Methods Modifier and Type Method and Description
boolean isAppropriateListener(FacesListener listener)
Return true if this FacesListener is an instance of a listener class that this event supports.
void processListener(FacesListener listener)
Broadcast this FacesEvent to the specified FacesListener, by whatever mechanism is appropriate.
Methods inherited from class javax.faces.event.FacesEvent
getComponent, getFacesContext, getPhaseId, queue, setPhaseId
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
ActionEvent
public ActionEvent(UIComponent component)
Construct a new event object from the specified source component and action command.
Parameters:
component - Source UIComponent for this event
Throws:
IllegalArgumentException - if component is null
ActionEvent
public ActionEvent(FacesContext facesContext,
UIComponent component)
Construct a new event object from the Faces context, specified source component and action command.
Parameters:
facesContext - the Faces context.
component - Source UIComponent for this event.
Throws:
IllegalArgumentException - if component is null
Since:
2.3
Method Detail
isAppropriateListener
public boolean isAppropriateListener(FacesListener listener)
Description copied from class: FacesEvent
Return true if this FacesListener is an instance of a listener class that this event supports. Typically, this will be accomplished by an "instanceof" check on the listener class.
Specified by:
isAppropriateListener in class FacesEvent
Parameters:
listener - FacesListener to evaluate
Returns:
true if it is the appropriate instance, false otherwise.
processListener
public void processListener(FacesListener listener)
Description copied from class: FacesEvent
Broadcast this FacesEvent to the specified FacesListener, by whatever mechanism is appropriate. Typically, this will be accomplished by calling an event processing method, and passing this FacesEvent as a paramter.
Specified by:
processListener in class FacesEvent
Parameters:
listener - FacesListener to send this FacesEvent to
Throws:
AbortProcessingException - Signal the JavaServer Faces implementation that no further processing on the current event should be performed
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