001/* BackingStoreException.java - chained exception thrown when backing store 002 fails 003 Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. 004 005This file is part of GNU Classpath. 006 007GNU Classpath is free software; you can redistribute it and/or modify 008it under the terms of the GNU General Public License as published by 009the Free Software Foundation; either version 2, or (at your option) 010any later version. 011 012GNU Classpath is distributed in the hope that it will be useful, but 013WITHOUT ANY WARRANTY; without even the implied warranty of 014MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015General Public License for more details. 016 017You should have received a copy of the GNU General Public License 018along with GNU Classpath; see the file COPYING. If not, write to the 019Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02002110-1301 USA. 021 022Linking this library statically or dynamically with other modules is 023making a combined work based on this library. Thus, the terms and 024conditions of the GNU General Public License cover the whole 025combination. 026 027As a special exception, the copyright holders of this library give you 028permission to link this library with independent modules to produce an 029executable, regardless of the license terms of these independent 030modules, and to copy and distribute the resulting executable under 031terms of your choice, provided that you also meet, for each linked 032independent module, the terms and conditions of the license of that 033module. An independent module is a module which is not derived from 034or based on this library. If you modify this library, you may extend 035this exception to your version of the library, but you are not 036obligated to do so. If you do not wish to do so, delete this 037exception statement from your version. */ 038 039package java.util.prefs; 040 041import java.io.NotSerializableException; 042import java.io.ObjectInputStream; 043import 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 */ 059public 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}