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- /*
- * Javassist, a Java-bytecode translator toolkit.
- * Copyright (C) 1999-2007 Shigeru Chiba. All Rights Reserved.
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. Alternatively, the contents of this file may be used under
- * the terms of the GNU Lesser General Public License Version 2.1 or later.
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- */
- package javassist.util.proxy;
-
- import java.lang.reflect.AccessibleObject;
- import java.lang.reflect.Constructor;
- import java.lang.reflect.Field;
- import java.lang.reflect.Method;
- import java.security.AccessController;
- import java.security.PrivilegedAction;
- import java.security.PrivilegedActionException;
- import java.security.PrivilegedExceptionAction;
-
- class SecurityActions {
- static Method[] getDeclaredMethods(final Class clazz) {
- if (System.getSecurityManager() == null)
- return clazz.getDeclaredMethods();
- else {
- return (Method[]) AccessController
- .doPrivileged(new PrivilegedAction() {
- public Object run() {
- return clazz.getDeclaredMethods();
- }
- });
- }
- }
-
- static Constructor[] getDeclaredConstructors(final Class clazz) {
- if (System.getSecurityManager() == null)
- return clazz.getDeclaredConstructors();
- else {
- return (Constructor[]) AccessController
- .doPrivileged(new PrivilegedAction() {
- public Object run() {
- return clazz.getDeclaredConstructors();
- }
- });
- }
- }
-
- static Method getDeclaredMethod(final Class clazz, final String name,
- final Class[] types) throws NoSuchMethodException {
- if (System.getSecurityManager() == null)
- return clazz.getDeclaredMethod(name, types);
- else {
- try {
- return (Method) AccessController
- .doPrivileged(new PrivilegedExceptionAction() {
- public Object run() throws Exception {
- return clazz.getDeclaredMethod(name, types);
- }
- });
- }
- catch (PrivilegedActionException e) {
- if (e.getCause() instanceof NoSuchMethodException)
- throw (NoSuchMethodException) e.getCause();
-
- throw new RuntimeException(e.getCause());
- }
- }
- }
-
- static Constructor getDeclaredConstructor(final Class clazz,
- final Class[] types)
- throws NoSuchMethodException
- {
- if (System.getSecurityManager() == null)
- return clazz.getDeclaredConstructor(types);
- else {
- try {
- return (Constructor) AccessController
- .doPrivileged(new PrivilegedExceptionAction() {
- public Object run() throws Exception {
- return clazz.getDeclaredConstructor(types);
- }
- });
- }
- catch (PrivilegedActionException e) {
- if (e.getCause() instanceof NoSuchMethodException)
- throw (NoSuchMethodException) e.getCause();
-
- throw new RuntimeException(e.getCause());
- }
- }
- }
-
- static void setAccessible(final AccessibleObject ao,
- final boolean accessible) {
- if (System.getSecurityManager() == null)
- ao.setAccessible(accessible);
- else {
- AccessController.doPrivileged(new PrivilegedAction() {
- public Object run() {
- ao.setAccessible(accessible);
- return null;
- }
- });
- }
- }
-
- static void set(final Field fld, final Object target, final Object value)
- throws IllegalAccessException
- {
- if (System.getSecurityManager() == null)
- fld.set(target, value);
- else {
- try {
- AccessController.doPrivileged(new PrivilegedExceptionAction() {
- public Object run() throws Exception {
- fld.set(target, value);
- return null;
- }
- });
- }
- catch (PrivilegedActionException e) {
- if (e.getCause() instanceof NoSuchMethodException)
- throw (IllegalAccessException) e.getCause();
-
- throw new RuntimeException(e.getCause());
- }
- }
- }
- }
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