code: public static List<Feature> parseFeatures(URL file) throws IOException {
      InputStream input = file.openStream();
      try {
        Reader reader = new InputStreamReader(input, Charset.forName("UTF-8"));
        try {
          FeatureDatabase.Builder database = FeatureDatabase.newBuilder();
          JsonFormat.parser().merge(reader, database);
          return database.getFeatureList();
        } finally {
          reader.close();
        }
      } finally {
        input.close();
      }
    }
docs: Parses the JSON input file containing the list of features.