code: @Override
      public Response getNonOAuth(String path, Map<String, String> parameters) {
          InputStream in = null;
          try {
              URL url = UrlUtilities.buildUrl(getScheme(), getHost(), getPort(), path, parameters);
              if (Flickr.debugRequest) {
                  logger.debug("GET: " + url);
              }
              HttpURLConnection conn = (HttpURLConnection) url.openConnection();
              conn.setRequestMethod("GET");
              if (proxyAuth) {
                  conn.setRequestProperty("Proxy-Authorization", "Basic " + getProxyCredentials());
              }
              setTimeouts(conn);
              conn.connect();
  
              if (Flickr.debugStream) {
                  in = new DebugInputStream(conn.getInputStream(), System.out);
              } else {
                  in = conn.getInputStream();
              }
  
              Response response;
              DocumentBuilder builder = getDocumentBuilder();
              Document document = builder.parse(in);
              response = (Response) responseClass.newInstance();
              response.parse(document);
  
              return response;
          } catch (IllegalAccessException | SAXException | IOException | InstantiationException | ParserConfigurationException e) {
              throw new FlickrRuntimeException(e);
          } finally {
              IOUtilities.close(in);
          }
      }
docs: Invoke a non OAuth HTTP GET request on a remote host.
  <p>
  This is only used for the Flickr OAuth methods checkToken and getAccessToken.
  
  @param path       The request path
  @param parameters The parameters
  @return The Response