code: public static Response post(URI uri)
          throws URISyntaxException, UnsupportedEncodingException, HttpException {
          return postParams(new HttpPost(uri), new ArrayList<NameValuePair>(), null, null);
      }
docs: Performs an HTTP POST on the given URI.
  
  @param uri The URI to connect to.
  @return The HTTP response as Response object.
  @throws URISyntaxException
  @throws UnsupportedEncodingException
  @throws HttpException