forked from yuhailei1992/Java7SourceCode
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathPrivilegedActionException.java
More file actions
105 lines (98 loc) · 3.17 KB
/
PrivilegedActionException.java
File metadata and controls
105 lines (98 loc) · 3.17 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
/*
* Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
package java.security;
/**
* This exception is thrown by
* <code>doPrivileged(PrivilegedExceptionAction)</code> and
* <code>doPrivileged(PrivilegedExceptionAction,
* AccessControlContext context)</code> to indicate
* that the action being performed threw a checked exception. The exception
* thrown by the action can be obtained by calling the
* <code>getException</code> method. In effect, an
* <code>PrivilegedActionException</code> is a "wrapper"
* for an exception thrown by a privileged action.
*
* <p>As of release 1.4, this exception has been retrofitted to conform to
* the general purpose exception-chaining mechanism. The "exception thrown
* by the privileged computation" that is provided at construction time and
* accessed via the {@link #getException()} method is now known as the
* <i>cause</i>, and may be accessed via the {@link Throwable#getCause()}
* method, as well as the aforementioned "legacy method."
*
* @see PrivilegedExceptionAction
* @see AccessController#doPrivileged(PrivilegedExceptionAction)
* @see AccessController#doPrivileged(PrivilegedExceptionAction,AccessControlContext)
*/
public class PrivilegedActionException extends Exception {
// use serialVersionUID from JDK 1.2.2 for interoperability
private static final long serialVersionUID = 4724086851538908602L;
/**
* @serial
*/
private Exception exception;
/**
* Constructs a new PrivilegedActionException "wrapping"
* the specific Exception.
*
* @param exception The exception thrown
*/
public PrivilegedActionException(Exception exception) {
super((Throwable)null); // Disallow initCause
this.exception = exception;
}
/**
* Returns the exception thrown by the privileged computation that
* resulted in this <code>PrivilegedActionException</code>.
*
* <p>This method predates the general-purpose exception chaining facility.
* The {@link Throwable#getCause()} method is now the preferred means of
* obtaining this information.
*
* @return the exception thrown by the privileged computation that
* resulted in this <code>PrivilegedActionException</code>.
* @see PrivilegedExceptionAction
* @see AccessController#doPrivileged(PrivilegedExceptionAction)
* @see AccessController#doPrivileged(PrivilegedExceptionAction,
* AccessControlContext)
*/
public Exception getException() {
return exception;
}
/**
* Returns the cause of this exception (the exception thrown by
* the privileged computation that resulted in this
* <code>PrivilegedActionException</code>).
*
* @return the cause of this exception.
* @since 1.4
*/
public Throwable getCause() {
return exception;
}
public String toString() {
String s = getClass().getName();
return (exception != null) ? (s + ": " + exception.toString()) : s;
}
}