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