0N/A/*
2989N/A * Copyright (c) 1996, 2003, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage java.util;
0N/A
0N/A/**
0N/A * <p>
0N/A * The root class from which all event state objects shall be derived.
0N/A * <p>
0N/A * All Events are constructed with a reference to the object, the "source",
0N/A * that is logically deemed to be the object upon which the Event in question
0N/A * initially occurred upon.
0N/A *
0N/A * @since JDK1.1
0N/A */
2989N/A
6306N/Apublic class EventObject implements java.io.Serializable {
0N/A
0N/A private static final long serialVersionUID = 5516075349620653480L;
0N/A
0N/A /**
0N/A * The object on which the Event initially occurred.
0N/A */
0N/A protected transient Object source;
0N/A
0N/A /**
0N/A * Constructs a prototypical Event.
0N/A *
0N/A * @param source The object on which the Event initially occurred.
0N/A * @exception IllegalArgumentException if source is null.
0N/A */
0N/A public EventObject(Object source) {
0N/A if (source == null)
0N/A throw new IllegalArgumentException("null source");
0N/A
0N/A this.source = source;
0N/A }
0N/A
0N/A /**
0N/A * The object on which the Event initially occurred.
0N/A *
0N/A * @return The object on which the Event initially occurred.
0N/A */
0N/A public Object getSource() {
0N/A return source;
0N/A }
0N/A
0N/A /**
0N/A * Returns a String representation of this EventObject.
0N/A *
0N/A * @return A a String representation of this EventObject.
0N/A */
0N/A public String toString() {
0N/A return getClass().getName() + "[source=" + source + "]";
0N/A }
0N/A}
0N/A