001 /* BackingStoreException.java - chained exception thrown when backing store
002 fails
003 Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc.
004
005 This file is part of GNU Classpath.
006
007 GNU Classpath is free software; you can redistribute it and/or modify
008 it under the terms of the GNU General Public License as published by
009 the Free Software Foundation; either version 2, or (at your option)
010 any later version.
011
012 GNU Classpath is distributed in the hope that it will be useful, but
013 WITHOUT ANY WARRANTY; without even the implied warranty of
014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 General Public License for more details.
016
017 You should have received a copy of the GNU General Public License
018 along with GNU Classpath; see the file COPYING. If not, write to the
019 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
020 02110-1301 USA.
021
022 Linking this library statically or dynamically with other modules is
023 making a combined work based on this library. Thus, the terms and
024 conditions of the GNU General Public License cover the whole
025 combination.
026
027 As a special exception, the copyright holders of this library give you
028 permission to link this library with independent modules to produce an
029 executable, regardless of the license terms of these independent
030 modules, and to copy and distribute the resulting executable under
031 terms of your choice, provided that you also meet, for each linked
032 independent module, the terms and conditions of the license of that
033 module. An independent module is a module which is not derived from
034 or based on this library. If you modify this library, you may extend
035 this exception to your version of the library, but you are not
036 obligated to do so. If you do not wish to do so, delete this
037 exception statement from your version. */
038
039 package java.util.prefs;
040
041 import java.io.NotSerializableException;
042 import java.io.ObjectInputStream;
043 import java.io.ObjectOutputStream;
044
045 /**
046 * Chained exception thrown when backing store fails. This exception is
047 * only thrown from methods that actually have to access the backing store,
048 * such as <code>clear(), keys(), childrenNames(), nodeExists(), removeNode(),
049 * flush(), sync(), exportNode(), exportSubTree()</code>; normal operations
050 * do not throw BackingStoreExceptions.
051 *
052 * <p>Note that although this class inherits the Serializable interface, an
053 * attempt to serialize will fail with a <code>NotSerializableException</code>.
054 *
055 * @author Mark Wielaard (mark@klomp.org)
056 * @since 1.4
057 * @status updated to 1.4
058 */
059 public class BackingStoreException extends Exception
060 {
061 static final long serialVersionUID = 859796500401108469L;
062
063 /**
064 * Creates a new exception with a descriptive message.
065 *
066 * @param message the message
067 */
068 public BackingStoreException(String message)
069 {
070 super(message);
071 }
072
073 /**
074 * Create a new exception with the given cause.
075 *
076 * @param cause the cause
077 */
078 public BackingStoreException(Throwable cause)
079 {
080 super(cause);
081 }
082
083 /**
084 * This class should not be serialized.
085 *
086 * @param o the output stream
087 */
088 private void writeObject(ObjectOutputStream o) throws NotSerializableException
089 {
090 throw new NotSerializableException
091 ("java.util.prefs.BackingStoreException");
092 }
093
094 /**
095 * This class should not be serialized.
096 *
097 * @param i the input stream
098 */
099 private void readObject(ObjectInputStream i) throws NotSerializableException
100 {
101 throw new NotSerializableException
102 ("java.util.prefs.BackingStoreException");
103 }
104 }