/**
* Checks whether the given date is included in this period. When the useTime flag is true, the
* time of the parameter (date) and the time of the begin and end dates of the period are taken
* into account to compute the result. When the useTime flag is false, the dates are truncated to
* compute the result.
*/
public boolean includes(final Calendar date) {
if (date == null) {
return false;
} else if (begin == null && end == null) {
return true;
} else {
if (useTime) {
if (begin == null) {
return !date.after(end);
} else if (end == null) {
return !date.before(begin);
} else {
return !date.before(begin) && !date.after(end);
}
} else {
final Calendar tDate = DateUtils.truncate(date, Calendar.DATE);
Calendar tBegin = begin;
Calendar tEnd = end;
if (begin != null) {
tBegin = DateUtils.truncate(begin, Calendar.DATE);
}
if (end != null) {
// If not using time, we'll asume the end of the interval is
// the instant before the next day.
tEnd = DateHelper.truncateNextDay(end);
}
if (tBegin == null) {
// it's included if the date is an instant before the next day.
return tDate.before(tEnd);
} else if (tEnd == null) {
// it's included if the date is not before the begin
return !tDate.before(tBegin);
} else {
return !tDate.before(tBegin) && tDate.before(tEnd);
}
}
}
}
