org.objectweb.dream.serializator.ByteArrayChunk Maven / Gradle / Ivy

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/**
 * Dream
 * Copyright (C) 2003-2004 INRIA Rhone-Alpes
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Contact: [email protected]
 *
 * Initial developer(s): Vivien Quema
 * Contributor(s): 
 */

package org.objectweb.dream.serializator;

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

import org.objectweb.dream.message.AbstractChunk;
import org.objectweb.dream.util.Util;

/**
 * Chunk containing a byte array.
 */
public class ByteArrayChunk extends AbstractChunk
{
  private static final long  serialVersionUID = 3977295521272901942L;

  /** The default name for chunks of this type. */
  public static final String DEFAULT_NAME     = "byteArrayChunk";

  /** The byte array. */
  protected byte[]           byteArray;

  // ---------------------------------------------------------------------------
  // Chunk methods
  // ---------------------------------------------------------------------------

  /**
   * Returns the byte array contained in this chunk.
   * 
   * @return the byte array contained in this chunk.
   */
  public byte[] getByteArray()
  {
    return byteArray;
  }

  /**
   * Sets the byte array contained in this chunk.
   * 
   * @param byteArray the array contained in this chunk.
   */
  public void setByteArray(byte[] byteArray)
  {
    this.byteArray = byteArray;
  }

  // ---------------------------------------------------------------------------
  // Implementation of the Chunk interface
  // ---------------------------------------------------------------------------

  /**
   * @see AbstractChunk#transfertStateTo(AbstractChunk)
   */
  public void transfertStateTo(ByteArrayChunk newInstance)
  {
    newInstance.setByteArray(getByteArray());
  }

  /**
   * @see AbstractChunk#newChunk()
   */
  public ByteArrayChunk newChunk()
  {
    return new ByteArrayChunk();
  }
  
  /**
   * @see org.objectweb.dream.pool.Recyclable#recycle()
   */
  public void recycle()
  {
    byteArray = null;
  }

  // ---------------------------------------------------------------------------
  // Implementation of the Externalizable interface
  // ---------------------------------------------------------------------------

  /**
   * @see java.io.Externalizable#readExternal(java.io.ObjectInput)
   */
  public void readExternal(ObjectInput in) throws IOException,
      ClassNotFoundException
  {
    byteArray = Util.readExternalByteArray(in);
  }

  /**
   * @see java.io.Externalizable#writeExternal(java.io.ObjectOutput)
   */
  public void writeExternal(ObjectOutput out) throws IOException
  {
    Util.writeExternalByteArray(out, byteArray);
  }
}