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(UIComponent component)` Construct a new event object from the specified source component and action command.

  - ### Method Summary

    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, 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`

  - ### 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

    - #### 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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