public interface TcpConnection
{

  /**
   * Connected.
   *
   * @throws NGException the NG exception
   */
  public void connected() throws NGException;

  /**
   * This method will send the received data from the InputStream of the connection.
   *
   * @param data the received data
   * @throws NGException the  NG exception
   */
  public void received( byte[] data ) throws NGException;

  /**
   * Usable for the protocol to send data to the device.
   *
   * @param data the data to send to the device ( Will be converted to byte[] with getBytes() )
   * @throws NGException the  NG exception
   */
  public void send( String data ) throws NGException;

  /**
   * Usable for the protocol to send data to the device.
   *
   * @param data the data to send to the device ( Will be send as is )
   * @throws NGException the NG exception
   */
  public void send( byte[] data ) throws NGException;

  /**
   * This method will inform the protocol that the connection got closed.
   *
   * @throws PilotNGException the NG exception
   */
  public void closed() throws NGException;
}

/** The callback. */
private TcpConnection callback;
private void disconnect()
{
  connection.disconnect();
  if ( !getStatus( jndiName ).equals( ConnectionStatus.FAILURE ) )
  {
     setStatus( ConnectionStatus.CLOSED );
  }
  /* TODO: Tell driver connection is closed! */
  callback.closed();
}