!validDayOfWeek(intervalStart)) { intervalStart.add(Calendar.DAY_OF_WEEK, -1); intervalEnd.add(Calendar.DAY_OF_WEEK, -1);
!validDayOfWeek(intervalStart)) { intervalStart.add(Calendar.DAY_OF_WEEK, -1); intervalEnd.add(Calendar.DAY_OF_WEEK, -1);
!validDayOfWeek(intervalStart)) { intervalStart.add(Calendar.DAY_OF_WEEK, -1); intervalEnd.add(Calendar.DAY_OF_WEEK, -1);
!validDayOfWeek(intervalStart)) { intervalStart.add(Calendar.DAY_OF_WEEK, -1); intervalEnd.add(Calendar.DAY_OF_WEEK, -1);