code: public void close() throws IOException {
  		try {
  			while (processNextResponse(0))
  				;
  			file.close();
  		} catch (SshException ex) {
  			throw new SshIOException(ex);
  		} catch (SftpStatusException ex) {
  			throw new IOException(ex.getMessage());
  		}
  	}
docs: Closes the file's handle