code: public void close()
          throws IOException
      {
          try{
              _completing=true;
              if (_connection instanceof Socket && !(_connection instanceof SSLSocket))
                  ((Socket)_connection).shutdownOutput();
              _outputStream.close();
              _inputStream.close();
          }
          finally
          {
              if (_handlingThread!=null && Thread.currentThread()!=_handlingThread)
                  _handlingThread.interrupt();
          }
      }
docs: Close the connection.
  This method calls close on the input and output streams and
  interrupts any thread in the handle method.
  may be specialized to close sockets etc.
  @exception IOException