0N/A/*
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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,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/Apackage java.util.prefs;
0N/A
0N/Aimport java.io.NotSerializableException;
0N/A
0N/A/**
0N/A * An event emitted by a <tt>Preferences</tt> node to indicate that
0N/A * a preference has been added, removed or has had its value changed.<p>
0N/A *
0N/A * Note, that although PreferenceChangeEvent inherits Serializable interface
0N/A * from EventObject, it is not intended to be Serializable. Appropriate
0N/A * serialization methods are implemented to throw NotSerializableException.
0N/A *
0N/A * @author Josh Bloch
0N/A * @see Preferences
0N/A * @see PreferenceChangeListener
0N/A * @see NodeChangeEvent
0N/A * @since 1.4
0N/A * @serial exclude
0N/A */
0N/Apublic class PreferenceChangeEvent extends java.util.EventObject {
0N/A
0N/A /**
0N/A * Key of the preference that changed.
0N/A *
0N/A * @serial
0N/A */
0N/A private String key;
0N/A
0N/A /**
0N/A * New value for preference, or <tt>null</tt> if it was removed.
0N/A *
0N/A * @serial
0N/A */
0N/A private String newValue;
0N/A
0N/A /**
0N/A * Constructs a new <code>PreferenceChangeEvent</code> instance.
0N/A *
0N/A * @param node The Preferences node that emitted the event.
0N/A * @param key The key of the preference that was changed.
0N/A * @param newValue The new value of the preference, or <tt>null</tt>
0N/A * if the preference is being removed.
0N/A */
0N/A public PreferenceChangeEvent(Preferences node, String key,
0N/A String newValue) {
0N/A super(node);
0N/A this.key = key;
0N/A this.newValue = newValue;
0N/A }
0N/A
0N/A /**
0N/A * Returns the preference node that emitted the event.
0N/A *
0N/A * @return The preference node that emitted the event.
0N/A */
0N/A public Preferences getNode() {
0N/A return (Preferences) getSource();
0N/A }
0N/A
0N/A /**
0N/A * Returns the key of the preference that was changed.
0N/A *
0N/A * @return The key of the preference that was changed.
0N/A */
0N/A public String getKey() {
0N/A return key;
0N/A }
0N/A
0N/A /**
0N/A * Returns the new value for the preference.
0N/A *
0N/A * @return The new value for the preference, or <tt>null</tt> if the
0N/A * preference was removed.
0N/A */
0N/A public String getNewValue() {
0N/A return newValue;
0N/A }
0N/A
0N/A /**
0N/A * Throws NotSerializableException, since NodeChangeEvent objects
0N/A * are not intended to be serializable.
0N/A */
0N/A private void writeObject(java.io.ObjectOutputStream out)
0N/A throws NotSerializableException {
0N/A throw new NotSerializableException("Not serializable.");
0N/A }
0N/A
0N/A /**
0N/A * Throws NotSerializableException, since PreferenceChangeEvent objects
0N/A * are not intended to be serializable.
0N/A */
0N/A private void readObject(java.io.ObjectInputStream in)
0N/A throws NotSerializableException {
0N/A throw new NotSerializableException("Not serializable.");
0N/A }
0N/A
0N/A // Defined so that this class isn't flagged as a potential problem when
0N/A // searches for missing serialVersionUID fields are done.
0N/A private static final long serialVersionUID = 793724513368024975L;
0N/A}