code: public void getToWrite(
                      final String url,
                      final OutputStream output,
                      final String... accept_media_types
                      )
      {
          _execute( url, HttpMethod.GET,
                          new AcceptHeaderRequestCallback( accept_media_types ),
                          new OutputStreamResponseExtractor( output ) );
      }
docs: HTTP GET: Receives the contents from the specified URL and writes them to the given stream.
  
  @throws  HttpException
  when an exceptional condition occurred during the HTTP method execution.