Java example source code file (SecureClassLoaderRepository.java)

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Java - Java tags/keywords

class, classloaderrepository, classnotfoundexception, secureclassloaderrepository, string

The SecureClassLoaderRepository.java Java example source code

/*
 * Copyright (c) 2002, 2008, 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.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);
    }
}