001 /* PrivilegedActionException.java -- wrap an exception in a privileged action 002 Copyright (C) 1998, 2002, 2005 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 package java.security; 039 040 /** 041 * This exception is thrown when an exception is thrown during a 042 * privileged action being performed with the 043 * <code>AccessController.doPrivileged()</code> method. It wraps the 044 * actual exception thrown in the privileged code. 045 * 046 * @author Aaron M. Renn (arenn@urbanophile.com) 047 * @author Eric Blake (ebb9@email.byu.edu) 048 * @see PrivilegedExceptionAction 049 * @see AccessController#doPrivileged(PrivilegedExceptionAction) 050 * @see AccessController#doPrivileged(PrivilegedExceptionAction, AccessControlContext) 051 * @status updated to 1.4 052 */ 053 public class PrivilegedActionException extends Exception 054 { 055 /** 056 * Compatible with JDK 1.1+. 057 */ 058 private static final long serialVersionUID = 4724086851538908602L; 059 060 /** 061 * This is the actual exception that occurred. 062 * 063 * @serial the wrapped exception 064 */ 065 private Exception exception; 066 067 /** 068 * Create a new instance that wraps the specified <code>Exception</code>. 069 * 070 * @param e the <code>Exception</code> to wrap 071 */ 072 public PrivilegedActionException(Exception e) 073 { 074 super(e); 075 exception = e; 076 } 077 078 /** 079 * Get the underlying <code>Exception</code> that caused this one. This 080 * is a legacy method, the preferred way is {@link #getCause()}. 081 * 082 * @return the cause 083 */ 084 public Exception getException() 085 { 086 return exception; 087 } 088 089 /** 090 * Gets the cause of this exception. 091 * 092 * @return the cause 093 * @since 1.4 094 */ 095 public Throwable getCause() 096 { 097 return exception; 098 } 099 100 /** 101 * Convert this to a String. 102 * 103 * @return the string representation 104 */ 105 public String toString() 106 { 107 return super.toString(); 108 } 109 }