src/java.base/share/classes/java/time/temporal/WeekFields.java

rev 47480 : [mq]: 8176841

*** 284,300 ****
      //-----------------------------------------------------------------------
      /**
       * Obtains an instance of {@code WeekFields} appropriate for a locale.
       * <p>
       * This will look up appropriate values from the provider of localization data.
       *
       * @param locale  the locale to use, not null
       * @return the week-definition, not null
       */
      public static WeekFields of(Locale locale) {
          Objects.requireNonNull(locale, "locale");
-         locale = new Locale(locale.getLanguage(), locale.getCountry());  // elminate variants
  
          int calDow = CalendarDataUtility.retrieveFirstDayOfWeek(locale);
          DayOfWeek dow = DayOfWeek.SUNDAY.plus(calDow - 1);
          int minDays = CalendarDataUtility.retrieveMinimalDaysInFirstWeek(locale);
          return WeekFields.of(dow, minDays);
--- 284,304 ----
      //-----------------------------------------------------------------------
      /**
       * Obtains an instance of {@code WeekFields} appropriate for a locale.
       * <p>
       * This will look up appropriate values from the provider of localization data.
+      * If the locale contains "fw" (First day of week) and/or "rg"
+      * (Region Override) <a href="../../util/Locale.html#def_locale_extension">
+      * Unicode extensions</a>, returned instance will reflect the values specified with
+      * those extensions. If both "fw" and "rg" are specified, the value from
+      * "fw" extension supersedes the implicit one from "rg" extension.
       *
       * @param locale  the locale to use, not null
       * @return the week-definition, not null
       */
      public static WeekFields of(Locale locale) {
          Objects.requireNonNull(locale, "locale");
  
          int calDow = CalendarDataUtility.retrieveFirstDayOfWeek(locale);
          DayOfWeek dow = DayOfWeek.SUNDAY.plus(calDow - 1);
          int minDays = CalendarDataUtility.retrieveMinimalDaysInFirstWeek(locale);
          return WeekFields.of(dow, minDays);