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 // Android-changed: Stubbed the implementation.  Android doesn't support SecurityManager.
31 // See comments in java.lang.SecurityManager for details.
32 /**
33  * Legacy security code; do not use.
34  */
35 public final class AccessController {
36 
AccessController()37     private AccessController() { }
38 
39     /**
40      * Calls {@code action.run()}.
41      */
doPrivileged(PrivilegedAction<T> action)42     public static <T> T doPrivileged(PrivilegedAction<T> action) {
43         return action.run();
44     }
45 
46     /**
47      * Calls {@code action.run()}.
48      */
doPrivilegedWithCombiner(PrivilegedAction<T> action)49     public static <T> T doPrivilegedWithCombiner(PrivilegedAction<T> action) {
50         return action.run();
51     }
52 
53 
54     /**
55      * Calls {@code action.run()}.
56      */
doPrivileged(PrivilegedAction<T> action, AccessControlContext context)57     public static <T> T doPrivileged(PrivilegedAction<T> action,
58                                      AccessControlContext context) {
59         return action.run();
60     }
61 
62     /**
63      * Calls {@code action.run()}.
64      */
65     public static <T> T
doPrivileged(PrivilegedExceptionAction<T> action)66         doPrivileged(PrivilegedExceptionAction<T> action)
67         throws PrivilegedActionException {
68         try {
69             return action.run();
70         } catch (RuntimeException e) {
71             throw e;
72         } catch (Exception e) {
73             throw new PrivilegedActionException(e);
74         }
75     }
76 
77 
78     /**
79      * Calls {@code action.run()}.
80      */
doPrivilegedWithCombiner(PrivilegedExceptionAction<T> action)81     public static <T> T doPrivilegedWithCombiner
82         (PrivilegedExceptionAction<T> action) throws PrivilegedActionException {
83         return doPrivileged(action);
84     }
85 
86 
87     /**
88      * Calls {@code action.run()}.
89      */
90     public static <T> T
doPrivileged(PrivilegedExceptionAction<T> action, AccessControlContext context)91         doPrivileged(PrivilegedExceptionAction<T> action,
92                      AccessControlContext context)
93         throws PrivilegedActionException {
94         return doPrivileged(action);
95     }
96 
getContext()97     public static AccessControlContext getContext() {
98         return new AccessControlContext(null);
99     }
100 
checkPermission(Permission perm)101     public static void checkPermission(Permission perm)
102                  throws AccessControlException {
103     }
104 }
105