001/*
002 * JPPF.
003 * Copyright (C) 2005-2019 JPPF Team.
004 * http://www.jppf.org
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.jppf.serialization;
020
021import java.io.*;
022
023/**
024 * This implementation uses the default Java serialization.
025 */
026public class DefaultJavaSerialization implements JPPFSerialization {
027  @Override
028  public void serialize(final Object o, final OutputStream os) throws Exception {
029    new ObjectOutputStream(os).writeObject(o);
030  }
031
032  @SuppressWarnings("resource")
033  @Override
034  public Object deserialize(final InputStream is) throws Exception {
035    return new InternalObjectInputStream(is).readObject();
036  }
037
038  /**
039   * An {@link ObjectInputSteam} which overrides the class resolution.
040   */
041  private static final class InternalObjectInputStream extends ObjectInputStream {
042    /**
043     * Initialize with the specified input stream.
044     * @param is the stream from which to deserialize.
045     * @throws IOException if any error occurs.
046     */
047    private InternalObjectInputStream(final InputStream is) throws IOException {
048      super(is);
049    }
050
051    @Override
052    protected Class<?> resolveClass(final ObjectStreamClass desc) throws IOException, ClassNotFoundException {
053      final ClassLoader cl = Thread.currentThread().getContextClassLoader();
054      if (cl == null) return super.resolveClass(desc);
055      return Class.forName(desc.getName(), false, cl);
056    }
057  }
058}