diff options
| -rw-r--r-- | src/main/javassist/ClassPool.java | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/src/main/javassist/ClassPool.java b/src/main/javassist/ClassPool.java index 1fb0082a..5db629f4 100644 --- a/src/main/javassist/ClassPool.java +++ b/src/main/javassist/ClassPool.java @@ -21,6 +21,9 @@ import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.URL; +import java.security.AccessController; +import java.security.PrivilegedActionException; +import java.security.PrivilegedExceptionAction; import java.security.ProtectionDomain; import java.util.Hashtable; import java.util.Iterator; @@ -67,17 +70,22 @@ public class ClassPool { static { try { - Class cl = Class.forName("java.lang.ClassLoader"); - defineClass1 = cl.getDeclaredMethod("defineClass", - new Class[] { String.class, byte[].class, - int.class, int.class }); - - defineClass2 = cl.getDeclaredMethod("defineClass", - new Class[] { String.class, byte[].class, - int.class, int.class, ProtectionDomain.class }); + AccessController.doPrivileged(new PrivilegedExceptionAction(){ + public Object run() throws Exception{ + Class cl = Class.forName("java.lang.ClassLoader"); + defineClass1 = cl.getDeclaredMethod("defineClass", + new Class[] { String.class, byte[].class, + int.class, int.class }); + + defineClass2 = cl.getDeclaredMethod("defineClass", + new Class[] { String.class, byte[].class, + int.class, int.class, ProtectionDomain.class }); + return null; + } + }); } - catch (Exception e) { - throw new RuntimeException("cannot initialize ClassPool"); + catch (PrivilegedActionException pae) { + throw new RuntimeException("cannot initialize ClassPool", pae.getException()); } } |