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105 lines
2.6 KiB
105 lines
2.6 KiB
/*
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* Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package java.util.prefs;
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import java.io.NotSerializableException;
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/**
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* An event emitted by a <tt>Preferences</tt> node to indicate that
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* a child of that node has been added or removed.<p>
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*
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* Note, that although NodeChangeEvent inherits Serializable interface from
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* java.util.EventObject, it is not intended to be Serializable. Appropriate
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* serialization methods are implemented to throw NotSerializableException.
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*
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* @author Josh Bloch
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* @see Preferences
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* @see NodeChangeListener
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* @see PreferenceChangeEvent
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* @since 1.4
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* @serial exclude
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*/
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public class NodeChangeEvent extends java.util.EventObject {
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/**
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* The node that was added or removed.
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*
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* @serial
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*/
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private Preferences child;
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/**
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* Constructs a new <code>NodeChangeEvent</code> instance.
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*
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* @param parent The parent of the node that was added or removed.
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* @param child The node that was added or removed.
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*/
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public NodeChangeEvent(Preferences parent, Preferences child) {
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super(parent);
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this.child = child;
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}
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/**
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* Returns the parent of the node that was added or removed.
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*
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* @return The parent Preferences node whose child was added or removed
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*/
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public Preferences getParent() {
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return (Preferences) getSource();
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}
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/**
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* Returns the node that was added or removed.
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*
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* @return The node that was added or removed.
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*/
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public Preferences getChild() {
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return child;
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}
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/**
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* Throws NotSerializableException, since NodeChangeEvent objects are not
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* intended to be serializable.
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*/
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private void writeObject(java.io.ObjectOutputStream out)
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throws NotSerializableException {
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throw new NotSerializableException("Not serializable.");
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}
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/**
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* Throws NotSerializableException, since NodeChangeEvent objects are not
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* intended to be serializable.
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*/
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private void readObject(java.io.ObjectInputStream in)
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throws NotSerializableException {
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throw new NotSerializableException("Not serializable.");
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}
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// Defined so that this class isn't flagged as a potential problem when
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// searches for missing serialVersionUID fields are done.
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private static final long serialVersionUID = 8068949086596572957L;
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}
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