0N/A/*
2362N/A * Copyright (c) 1999, 2009, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage com.sun.jndi.ldap;
0N/A
0N/Aimport java.net.URL;
0N/Aimport java.net.URLClassLoader;
0N/Aimport java.net.MalformedURLException;
0N/Aimport java.security.AccessController;
0N/Aimport java.security.PrivilegedAction;
0N/A
0N/Afinal class VersionHelper12 extends VersionHelper {
0N/A
1138N/A // System property to control whether classes may be loaded from an
1138N/A // arbitrary URL code base.
1138N/A private static final String TRUST_URL_CODEBASE_PROPERTY =
1138N/A "com.sun.jndi.ldap.object.trustURLCodebase";
1138N/A
1138N/A // Determine whether classes may be loaded from an arbitrary URL code base.
1138N/A private static final String trustURLCodebase =
1138N/A AccessController.doPrivileged(
1138N/A new PrivilegedAction<String>() {
1138N/A public String run() {
1138N/A return System.getProperty(TRUST_URL_CODEBASE_PROPERTY,
1138N/A "false");
1138N/A }
1138N/A }
1138N/A );
1138N/A
0N/A VersionHelper12() {} // Disallow external from creating one of these.
0N/A
0N/A ClassLoader getURLClassLoader(String[] url)
0N/A throws MalformedURLException {
0N/A ClassLoader parent = getContextClassLoader();
1138N/A /*
1138N/A * Classes may only be loaded from an arbitrary URL code base when
1138N/A * the system property com.sun.jndi.ldap.object.trustURLCodebase
1138N/A * has been set to "true".
1138N/A */
1138N/A if (url != null && "true".equalsIgnoreCase(trustURLCodebase)) {
0N/A return URLClassLoader.newInstance(getUrlArray(url), parent);
0N/A } else {
0N/A return parent;
0N/A }
0N/A }
0N/A
0N/A Class loadClass(String className) throws ClassNotFoundException {
0N/A ClassLoader cl = getContextClassLoader();
0N/A return Class.forName(className, true, cl);
0N/A }
0N/A
0N/A private ClassLoader getContextClassLoader() {
0N/A return (ClassLoader) AccessController.doPrivileged(
0N/A new PrivilegedAction() {
0N/A public Object run() {
0N/A return Thread.currentThread().getContextClassLoader();
0N/A }
0N/A }
0N/A );
0N/A }
0N/A
0N/A Thread createThread(final Runnable r) {
0N/A return (Thread) AccessController.doPrivileged(
0N/A new PrivilegedAction() {
0N/A public Object run() {
0N/A return new Thread(r);
0N/A }
0N/A }
0N/A );
0N/A }
0N/A}