code: public static MessageFormat messageFormatInstance(final String pattern, final Locale locale)
      {
          return withinLocale(new Callable<MessageFormat>()
          {
              public MessageFormat call() throws Exception
              {
                  return messageFormatInstance(pattern);
              }
          }, locale);
      }
docs: <p>
  Same as {@link #messageFormatInstance(String) messageFormatInstance} for
  the specified locale.
  </p>
  
  @param locale
  Target locale
  @param pattern
  Format pattern that follows the conventions of
  {@link com.ibm.icu.text.MessageFormat MessageFormat}
  @return a MessageFormat instance for the current thread