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A modification of the OpenDMK JMX remote implementation. Licensed under the Apache Software License v2.0 as permitted by the original CDDL license
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/*
 * JPPF.
 * Copyright (C) 2005-2016 JPPF Team.
 * http://www.jppf.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * @(#)file      ObjectWrappingImpl.java
 * @(#)author    Sun Microsystems, Inc.
 * @(#)version   1.9
 * @(#)lastedit  07/03/08
 * @(#)build     @BUILD_TAG_PLACEHOLDER@
 *
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
 *
 * The contents of this file are subject to the terms of either the GNU General
 * Public License Version 2 only ("GPL") or the Common Development and
 * Distribution License("CDDL")(collectively, the "License"). You may not use
 * this file except in compliance with the License. You can obtain a copy of the
 * License at http://opendmk.dev.java.net/legal_notices/licenses.txt or in the
 * LEGAL_NOTICES folder that accompanied this code. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file found at
 *     http://opendmk.dev.java.net/legal_notices/licenses.txt
 * or in the LEGAL_NOTICES folder that accompanied this code.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.
 *
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 *
 *       "Portions Copyrighted [year] [name of copyright owner]"
 *
 * Contributor(s):
 *
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding
 *
 *       "[Contributor] elects to include this software in this distribution
 *        under the [CDDL or GPL Version 2] license."
 *
 * If you don't indicate a single choice of license, a recipient has the option
 * to distribute your version of this file under either the CDDL or the GPL
 * Version 2, or to extend the choice of license to its licensees as provided
 * above. However, if you add GPL Version 2 code and therefore, elected the
 * GPL Version 2 license, then the option applies only if the new code is made
 * subject to such option by the copyright holder.
 *
 */

package com.sun.jmx.remote.generic;

import java.io.*;

import javax.management.remote.generic.ObjectWrapping;

/**
 * This class is the default implementation of the interface ObjectWrapping. Objects are wrapped in a byte array containing the output of {@link ObjectOutputStream#writeObject(Object)}.
 */
public class ObjectWrappingImpl implements ObjectWrapping {

  /**
   *
   */
  public ObjectWrappingImpl() {
  }

  @Override
  public Object wrap(final Object obj) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(obj);

    return baos.toByteArray();
  }

  @Override
  public Object unwrap(final Object wrapped, final ClassLoader cloader) throws IOException, ClassNotFoundException {

    ByteArrayInputStream bais = new ByteArrayInputStream((byte[]) wrapped);
    ObjectInputStreamWithLoader ois = new ObjectInputStreamWithLoader(bais);
    return ois.readObject(cloader);
  }

  /**
   *
   */
  private static class ObjectInputStreamWithLoader extends ObjectInputStream {
    /**
     * 
     */
    private ClassLoader cloader;

    /**
     *
     * @param in .
     * @throws IOException .
     */
    public ObjectInputStreamWithLoader(final InputStream in) throws IOException {
      super(in);
    }

    /**
     * 
     * @param cloader .
     * @return .
     * @throws IOException .
     * @throws ClassNotFoundException .
     */
    public Object readObject(final ClassLoader cloader) throws IOException, ClassNotFoundException {
      this.cloader = cloader;

      return readObject();
    }

    @Override
    protected Class resolveClass(final ObjectStreamClass aClass) throws IOException, ClassNotFoundException {
      return cloader == null ? super.resolveClass(aClass) : Class.forName(aClass.getName(), false, cloader);
    }
  }
}