1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5  *
6  * This code is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU General Public License version 2 only, as
8  * published by the Free Software Foundation.  Oracle designates this
9  * particular file as subject to the "Classpath" exception as provided
10  * by Oracle in the LICENSE file that accompanied this code.
11  *
12  * This code is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15  * version 2 for more details (a copy is included in the LICENSE file that
16  * accompanied this code).
17  *
18  * You should have received a copy of the GNU General Public License version
19  * 2 along with this work; if not, write to the Free Software Foundation,
20  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21  *
22  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
23  * or visit www.oracle.com if you need additional information or have any
24  * questions.
25  */
26 
27 package java.security;
28 
29 
30 /**
31  * Legacy security code; do not use.
32  */
33 public final class AccessController {
34 
AccessController()35     private AccessController() { }
36 
37     /**
38      * Calls {@code action.run()}.
39      */
doPrivileged(PrivilegedAction<T> action)40     public static <T> T doPrivileged(PrivilegedAction<T> action) {
41         return action.run();
42     }
43 
44     /**
45      * Calls {@code action.run()}.
46      */
doPrivilegedWithCombiner(PrivilegedAction<T> action)47     public static <T> T doPrivilegedWithCombiner(PrivilegedAction<T> action) {
48         return action.run();
49     }
50 
51 
52     /**
53      * Calls {@code action.run()}.
54      */
doPrivileged(PrivilegedAction<T> action, AccessControlContext context)55     public static <T> T doPrivileged(PrivilegedAction<T> action,
56                                      AccessControlContext context) {
57         return action.run();
58     }
59 
60     /**
61      * Calls {@code action.run()}.
62      */
63     public static <T> T
doPrivileged(PrivilegedExceptionAction<T> action)64         doPrivileged(PrivilegedExceptionAction<T> action)
65         throws PrivilegedActionException {
66         try {
67             return action.run();
68         } catch (RuntimeException e) {
69             throw e;
70         } catch (Exception e) {
71             throw new PrivilegedActionException(e);
72         }
73     }
74 
75 
76     /**
77      * Calls {@code action.run()}.
78      */
doPrivilegedWithCombiner(PrivilegedExceptionAction<T> action)79     public static <T> T doPrivilegedWithCombiner
80         (PrivilegedExceptionAction<T> action) throws PrivilegedActionException {
81         return doPrivileged(action);
82     }
83 
84 
85     /**
86      * Calls {@code action.run()}.
87      */
88     public static <T> T
doPrivileged(PrivilegedExceptionAction<T> action, AccessControlContext context)89         doPrivileged(PrivilegedExceptionAction<T> action,
90                      AccessControlContext context)
91         throws PrivilegedActionException {
92         return doPrivileged(action);
93     }
94 
getContext()95     public static AccessControlContext getContext() {
96         return new AccessControlContext(null);
97     }
98 
checkPermission(Permission perm)99     public static void checkPermission(Permission perm)
100                  throws AccessControlException {
101     }
102 }
103