package at.gv.egovernment.moa.spss.server.iaik.xml;

import java.io.InputStream;

import iaik.server.modules.xml.BinaryDataObject;

/**
 * A <code>BinaryDataObject</code> encapsulating binary data from a stream. 
 * 
 * @author Patrick Peck
 * @version $Id$
 */
public class ByteStreamDataObjectImpl
  extends DataObjectImpl
  implements BinaryDataObject {

  /** The <code>InputStream</code> containing the binary data. */
  private InputStream inputStream;

  /**
   * Create a new <code>ByteStreamDataObjectImpl</code>.
   * 
   * @param inputStream The stream from which to read the binary data.
   */
  public ByteStreamDataObjectImpl(InputStream inputStream) {
    setInputStream(inputStream);
  }

  /**
   * Set the input stream from which to read the binary data.
   * 
   * @param inputStream The input stream from which to read the binary data.
   */
  public void setInputStream(InputStream inputStream) {
    this.inputStream = inputStream;
  }

  /**
   * Return the binary data from this object as a stream.
   * 
   * @return The stream containing the binary data. Calling this function
   * repeatedly will always return the same <code>InputStream</code>.
   * @see iaik.server.modules.xml.BinaryDataObject#getInputStream()
   */
  public InputStream getInputStream() {
    return inputStream;
  }

}