| /* |
| * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.util.prefs; |
| |
| import java.io.NotSerializableException; |
| |
| /** |
| * An event emitted by a <tt>Preferences</tt> node to indicate that |
| * a child of that node has been added or removed.<p> |
| * |
| * Note, that although NodeChangeEvent inherits Serializable interface from |
| * java.util.EventObject, it is not intended to be Serializable. Appropriate |
| * serialization methods are implemented to throw NotSerializableException. |
| * |
| * @author Josh Bloch |
| * @see Preferences |
| * @see NodeChangeListener |
| * @see PreferenceChangeEvent |
| * @since 1.4 |
| * @serial exclude |
| */ |
| |
| public class NodeChangeEvent extends java.util.EventObject { |
| /** |
| * The node that was added or removed. |
| * |
| * @serial |
| */ |
| private Preferences child; |
| |
| /** |
| * Constructs a new <code>NodeChangeEvent</code> instance. |
| * |
| * @param parent The parent of the node that was added or removed. |
| * @param child The node that was added or removed. |
| */ |
| public NodeChangeEvent(Preferences parent, Preferences child) { |
| super(parent); |
| this.child = child; |
| } |
| |
| /** |
| * Returns the parent of the node that was added or removed. |
| * |
| * @return The parent Preferences node whose child was added or removed |
| */ |
| public Preferences getParent() { |
| return (Preferences) getSource(); |
| } |
| |
| /** |
| * Returns the node that was added or removed. |
| * |
| * @return The node that was added or removed. |
| */ |
| public Preferences getChild() { |
| return child; |
| } |
| |
| /** |
| * Throws NotSerializableException, since NodeChangeEvent objects are not |
| * intended to be serializable. |
| */ |
| private void writeObject(java.io.ObjectOutputStream out) |
| throws NotSerializableException { |
| throw new NotSerializableException("Not serializable."); |
| } |
| |
| /** |
| * Throws NotSerializableException, since NodeChangeEvent objects are not |
| * intended to be serializable. |
| */ |
| private void readObject(java.io.ObjectInputStream in) |
| throws NotSerializableException { |
| throw new NotSerializableException("Not serializable."); |
| } |
| |
| // Defined so that this class isn't flagged as a potential problem when |
| // searches for missing serialVersionUID fields are done. |
| private static final long serialVersionUID = 8068949086596572957L; |
| } |