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java.util

Class EventObject

Implemented Interfaces:
Serializable
Known Direct Subclasses:
AWTEvent, BeanContextEvent, CaretEvent, ChangeEvent, ConnectionEvent, DragGestureEvent, DragSourceEvent, DropTargetEvent, FlavorEvent, HandshakeCompletedEvent, HyperlinkEvent, LineEvent, ListDataEvent, ListSelectionEvent, MenuEvent, NamingEvent, NamingExceptionEvent, NodeChangeEvent, Notification, PopupMenuEvent, PreferenceChangeEvent, PrintEvent, PropertyChangeEvent, RowSetEvent, SSLSessionBindingEvent, TableColumnModelEvent, TableModelEvent, TreeExpansionEvent, TreeModelEvent, TreeSelectionEvent, UndoableEditEvent, UnsolicitedNotificationEvent
public class EventObject
extends Object
implements Serializable
Represents Events fired by Objects.
Since:
1.1
See Also:
EventListener, Serialized Form

Field Summary

protected Object
source
The source object; in other words, the object which this event takes place on.

Constructor Summary

EventObject(Object source)
Constructs an EventObject with the specified source.

Method Summary

Object
getSource()
Returns the source of the event.
String
toString()
Converts the event to a String.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

source

protected Object source
The source object; in other words, the object which this event takes place on.

Constructor Details

EventObject

public EventObject(Object source)
Constructs an EventObject with the specified source.
Parameters:
source - the source of the event
Throws:
IllegalArgumentException - if source is null (This is not specified, but matches the behavior of the JDK)

Method Details

getSource

public Object getSource()
Returns the source of the event.
Returns:
the event source

toString

public String toString()
Converts the event to a String. The format is not specified, but by observation, the JDK uses: getClass().getName() + "[source=" + source + "]";.
Overrides:
toString in interface Object
Returns:
String representation of the Event
EventObject.java -- represents an event on an object Copyright (C) 1999, 2000, 2002, 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

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