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1
22 package org.jboss.aop.pointcut;
23
24 import java.security.AccessController  ;
25 import java.security.PrivilegedActionException ;
26 import java.security.PrivilegedExceptionAction ;
27
28
33 class SecurityActions
34 {
35
36 interface LoadClassAction
37 {
38 Class loadClass(String name);
39
40 LoadClassAction PRIVILEGED = new LoadClassAction()
41 {
42 public Class loadClass(final String name)
43 {
44 try
45 {
46 return (Class )AccessController.doPrivileged(new PrivilegedExceptionAction ()
47 {
48 public Object run() throws Exception
49 {
50 return Thread.currentThread().getContextClassLoader().loadClass(name);
51 }
52 });
53 }
54 catch (PrivilegedActionException e)
55 {
56 throw new RuntimeException (name, e);
57 }
58 }
59 };
60
61 LoadClassAction NON_PRIVILEGED = new LoadClassAction()
62 {
63 public Class loadClass(final String name)
64 {
65 try
66 {
67 return Thread.currentThread().getContextClassLoader().loadClass(name);
68 }
69 catch (ClassNotFoundException e)
70 {
71 throw new RuntimeException (e);
72 }
73 }
74 };
75 }
76
77 static Class loadClass(String name)
78 {
79 if (System.getSecurityManager() == null)
80 {
81 return LoadClassAction.NON_PRIVILEGED.loadClass(name);
82 }
83 else
84 {
85 return LoadClassAction.PRIVILEGED.loadClass(name);
86 }
87 }
88
89 }
90 |
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