001/* AccessControlException.java -- Permission is denied 002 Copyright (C) 1998, 2002, 2005 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038package java.security; 039 040/** 041 * This exception is thrown when the <code>AccessController</code> denies 042 * an attempt to perform an operation. This often keeps track of the 043 * permission that was not granted. 044 * 045 * @author Aaron M. Renn (arenn@urbanophile.com) 046 * @see AccessController 047 * @status updated to 1.4 048 */ 049public class AccessControlException extends SecurityException 050{ 051 /** 052 * Compatible with JDK 1.1+. 053 */ 054 private static final long serialVersionUID = 5138225684096988535L; 055 056 /** 057 * The <code>Permission</code> associated with this exception. 058 * 059 * @serial the permission 060 */ 061 private final Permission perm; 062 063 /** 064 * Create a new instance with a descriptive error message, and a null 065 * <code>Permission</code> object. 066 * 067 * @param msg the descriptive error message 068 */ 069 public AccessControlException(String msg) 070 { 071 this(msg, null); 072 } 073 074 /** 075 * Create a new instance with a descriptive error message and an associated 076 * <code>Permission</code> object. 077 * 078 * @param msg the descriptive error message 079 * @param perm the permission that caused this 080 */ 081 public AccessControlException(String msg, Permission perm) 082 { 083 super(msg); 084 this.perm = perm; 085 } 086 087 /** 088 * This method returns the <code>Permission</code> object that caused 089 * this exception to be thrown. 090 * 091 * @return the denied permission, or null 092 */ 093 public Permission getPermission() 094 { 095 return perm; 096 } 097}