java.util

Class EventObject

java.lang.Object

java.util.EventObject

All Implemented Interfaces:

Serializable

public class EventObject
extends Object
implements Serializable

The root class from which all event state objects shall be derived.

All Events are constructed with a reference to the object, the "source", that is logically deemed to be the object upon which the Event in question initially occurred upon.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
EventObject(Object source) Constructs a prototypical Event.

Method Summary

Modifier and Type	Method and Description
Object	getSource() The object on which the Event initially occurred.
String	toString() Returns a String representation of this EventObject.

Methods inherited from class java.lang.Object

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

Constructor Detail

EventObject

public EventObject(Object source)

Constructs a prototypical Event.

Parameters:

source - The object on which the Event initially occurred.

Throws:

IllegalArgumentException - if source is null.

Method Detail

getSource

public Object getSource()

The object on which the Event initially occurred.

Returns:

The object on which the Event initially occurred.

toString

public String toString()

Returns a String representation of this EventObject.

Overrides:

toString in class Object

Returns:

A a String representation of this EventObject.