private EventRecurrence getRecurrence(MSTask mst) {
if (mst.getRecurrence() == null) {
return null;
}
MSRecurrence pr = mst.getRecurrence();
EventRecurrence or = new EventRecurrence();
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
int multiply = 0;
switch (pr.getType()) {
case DAILY:
or.setKind(RecurrenceKind.daily);
or.setDays(RecurrenceDayOfWeekConverter.toRecurrenceDays(pr.getDayOfWeek()));
multiply = Calendar.DAY_OF_MONTH;
break;
case MONTHLY:
or.setKind(RecurrenceKind.monthlybydate);
multiply = Calendar.MONTH;
break;
case MONTHLY_NDAY:
or.setKind(RecurrenceKind.monthlybyday);
multiply = Calendar.MONTH;
break;
case WEEKLY:
or.setKind(RecurrenceKind.weekly);
or.setDays(RecurrenceDayOfWeekConverter.toRecurrenceDays(pr.getDayOfWeek()));
multiply = Calendar.WEEK_OF_YEAR;
break;
case YEARLY:
or.setKind(RecurrenceKind.yearly);
cal.setTimeInMillis(mst.getUtcStartDate().getTime());
cal.set(Calendar.DAY_OF_MONTH, pr.getDayOfMonth());
cal.set(Calendar.MONTH, pr.getMonthOfYear() - 1);
mst.setUtcStartDate(cal.getTime());
or.setFrequence(1);
multiply = Calendar.YEAR;
break;
case YEARLY_NDAY:
or.setKind(RecurrenceKind.yearly);
multiply = Calendar.YEAR;
break;
}
// interval
if (pr.getInterval() != null) {
or.setFrequence(pr.getInterval());
}
// occurence or end date
Date endDate = null;
if (pr.getOccurrences() != null && pr.getOccurrences() > 0) {
cal.setTimeInMillis(pr.getStart().getTime());
cal.add(multiply, pr.getOccurrences() - 1);
endDate = new Date(cal.getTimeInMillis());
} else {
endDate = pr.getUntil();
}
or.setEnd(endDate);
return or;
}
