/**
  * Get the OutputStream. Please be aware that the implementation MAY use an internal buffer. To
  * make sure that the buffered data is sent over the tunnel, you have to call the <code>flush
  * </code> method of the <code>OutputStream</code>. To signal EOF, please use the <code>close
  * </code> method of the <code>OutputStream</code>.
  *
  * @return An <code>OutputStream</code> object.
  * @throws IOException
  */
 public OutputStream getOutputStream() throws IOException {
   return cn.getStdinStream();
 }
 /**
  * @return An <code>InputStream</code> object.
  * @throws IOException
  */
 public InputStream getInputStream() throws IOException {
   return cn.getStdoutStream();
 }