code: protected Option<TextBundle> loadJavaBundle(String bundleName, Locale locale) {
      Properties properties = new Properties();
      String resource = toJavaResourceName(bundleName, locale);
      try {
        InputStream is = ClassLoaders.getResourceAsStream(resource, getClass());
        if (null == is) return Option.none();
        properties.load(is);
        is.close();
      } catch (IOException e) {
        return Option.none();
      } finally {
      }
      return Option.<TextBundle> from(new DefaultTextBundle(locale, resource, properties));
    }
docs: Load java properties bundle with iso-8859-1
  
  @param bundleName
  @param locale
  @return None or bundle corresponding bindleName.locale.properties