jdk/src/share/classes/com/sun/jmx/mbeanserver/SecureClassLoaderRepository.java

/*
 * Copyright 2002-2005 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */
package com.sun.jmx.mbeanserver;

import javax.management.loading.ClassLoaderRepository;

/**
 * Fix security hole in ClassLoaderRepository. This class wraps
 * the actual ClassLoaderRepository implementation so that
 * only the methods from {@link javax.management.loading.ClassLoaderRepository}
 * can be accessed (read-only).
 *
 * @since 1.5
 */
final class SecureClassLoaderRepository
    implements ClassLoaderRepository {

    private final ClassLoaderRepository clr;
    /**
     * Creates a new secure ClassLoaderRepository wrapping an
     * unsecure implementation.
     * @param clr Unsecure {@link ClassLoaderRepository} implementation
     *            to wrap.
     **/
    public SecureClassLoaderRepository(ClassLoaderRepository clr) {
        this.clr=clr;
    }
    public final Class loadClass(String className)
        throws ClassNotFoundException {
        return clr.loadClass(className);
    }
    public final Class loadClassWithout(ClassLoader loader,
                                  String className)
        throws ClassNotFoundException {
        return clr.loadClassWithout(loader,className);
    }
    public final Class loadClassBefore(ClassLoader loader,
                                 String className)
        throws ClassNotFoundException {
        return clr.loadClassBefore(loader,className);
    }
}