code: @Nullable
    public static EFamFamFlagIcon getFlagFromLocale (@Nullable final Locale aFlagLocale)
    {
      if (aFlagLocale != null)
      {
        final String sCountry = aFlagLocale.getCountry ();
        if (StringHelper.hasText (sCountry))
          return EFamFamFlagIcon.getFromIDOrNull (sCountry);
      }
      return null;
    }
docs: Get the flag from the passed locale
  
  @param aFlagLocale
  The locale to resolve. May be <code>null</code>.
  @return <code>null</code> if the passed locale is <code>null</code>, if the
  locale has no country or if the no flag is present for the passed
  locale.