code: public static final String getLocaleExtendedName(String lookup, Locale locale) {
  
          if (locale == null) {
              return lookup;
          }
          return getLocaleExtendedName(lookup, locale.toString());
      }
docs: Returns the locale extended name for the given lookup String.<p>
  
  @param lookup the lookup String
  @param locale the locale
  
  @return the locale extended name for the given lookup String