01 /*
02 * Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.security;
27
28 /**
29 * <p> This exception is thrown by the AccessController to indicate
30 * that a requested access (to a critical system resource such as the
31 * file system or the network) is denied.
32 *
33 * <p> The reason to deny access can vary. For example, the requested
34 * permission might be of an incorrect type, contain an invalid
35 * value, or request access that is not allowed according to the
36 * security policy. Such information should be given whenever
37 * possible at the time the exception is thrown.
38 *
39 * @version 1.20, 05/05/07
40 * @author Li Gong
41 * @author Roland Schemers
42 */
43
44 public class AccessControlException extends SecurityException {
45
46 private static final long serialVersionUID = 5138225684096988535L;
47
48 // the permission that caused the exeception to be thrown.
49 private Permission perm;
50
51 /**
52 * Constructs an <code>AccessControlException</code> with the
53 * specified, detailed message.
54 *
55 * @param s the detail message.
56 */
57 public AccessControlException(String s) {
58 super (s);
59 }
60
61 /**
62 * Constructs an <code>AccessControlException</code> with the
63 * specified, detailed message, and the requested permission that caused
64 * the exception.
65 *
66 * @param s the detail message.
67 * @param p the permission that caused the exception.
68 */
69 public AccessControlException(String s, Permission p) {
70 super (s);
71 perm = p;
72 }
73
74 /**
75 * Gets the Permission object associated with this exeception, or
76 * null if there was no corresponding Permission object.
77 *
78 * @return the Permission object.
79 */
80 public Permission getPermission() {
81 return perm;
82 }
83 }
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