code: @Nonnull
    public static LocalDate getCurrentOrNextWorkDay (@Nullable final IHolidayManager aHolidayMgr)
    {
      if (aHolidayMgr == null)
        return CalendarHelper.getCurrentOrNextWorkDay ();
      LocalDate aDT = PDTFactory.getCurrentLocalDate ();
      while (!isWorkDay (aDT, aHolidayMgr))
        aDT = aDT.plusDays (1);
      return aDT;
    }
docs: Get the next working day based on the current day. If the current day is a
  working day, the current day is returned. A working day is determined by:
  it's not a weekend day (usually Saturday and Sunday) and it's not a holiday
  (based on the holiday manager).
  
  @param aHolidayMgr
  An optional holiday calculator to be used. May be <code>null</code>.
  @return The next matching date.
  @see HolidayHelper#isWorkDay(LocalDate, IHolidayManager)
  @see CalendarHelper#getCurrentOrNextWorkDay()