protected Period toIsoPeriod(
DateTimeUnit start, DateTimeUnit end, org.hisp.dhis.calendar.Calendar calendar) {
DateTimeUnit from = calendar.toIso(start);
DateTimeUnit to = calendar.toIso(end);
return new Period(this, from.toJdkDate(), to.toJdkDate(), getIsoDate(start, calendar));
}
/**
* @param dateInterval DateInterval to create period from
* @return the period.
*/
public Period createPeriod(DateInterval dateInterval) {
if (dateInterval == null || dateInterval.getFrom() == null || dateInterval.getTo() == null) {
return null;
}
org.hisp.dhis.calendar.Calendar cal = getCalendar();
final DateTimeUnit from = cal.toIso(dateInterval.getFrom());
final DateTimeUnit to = cal.toIso(dateInterval.getTo());
return new Period(this, from.toJdkDate(), to.toJdkDate(), getIsoDate(from));
}
/**
* Generates a list of Periods for the last 5 years. Must be overridden by CalendarPeriodTypes
* which do not generate periods for the current year only in their implementation of
* generatePeriods( Date ).
*
* @param date the date which touches the time span to generate Periods for.
* @return a list of Periods for a defined time span.
*/
public List<Period> generateLast5Years(Date date) {
DateTimeUnit dateTimeUnit = createLocalDateUnitInstance(date);
dateTimeUnit = getCalendar().minusYears(dateTimeUnit, 4);
List<Period> periods = Lists.newArrayList();
Calendar calendar = getCalendar();
for (int i = 0; i < 5; i++) {
periods.addAll(generatePeriods(dateTimeUnit));
dateTimeUnit = calendar.plusYears(dateTimeUnit, 1);
}
return periods;
}
/**
* Creates a valid Period based on the given date. E.g. the given date is February 10. 2007, a
* monthly PeriodType should return February 2007. This method is intended for use in situations
* where a huge number of of periods will be generated and its desirable to re-use the calendar.
*
* @param date the date which is contained by the created period.
* @param calendar the calendar implementation to use.
* @return the valid Period based on the given date
*/
public Period createPeriod(final Date date, final org.hisp.dhis.calendar.Calendar calendar) {
try {
return PERIOD_CACHE.get(
getCacheKey(calendar, date),
() -> createPeriod(calendar.fromIso(DateTimeUnit.fromJdkDate(date)), calendar));
} catch (ExecutionException ignored) {
}
return null;
}
private String getCacheKey(org.hisp.dhis.calendar.Calendar calendar, Date date) {
return calendar.name() + getName() + date.getTime();
}
/**
* Returns an instance of a DateUnit.
*
* @param date date of calendar in local calendar
* @return an instance of a Calendar without any time of day.
*/
public static DateTimeUnit createLocalDateUnitInstance(
Date date, org.hisp.dhis.calendar.Calendar calendar) {
return calendar.fromIso(DateTimeUnit.fromJdkDate(date));
}
/**
* Returns an instance of a Calendar without any time of day, with the current date.
*
* @return an instance of a Calendar without any time of day.
*/
public static Calendar createCalendarInstance() {
org.hisp.dhis.calendar.Calendar cal = getCalendar();
return cal.toIso(cal.today()).toJdkCalendar();
}
public Period createPeriod(Calendar cal) {
org.hisp.dhis.calendar.Calendar calendar = getCalendar();
return createPeriod(calendar.fromIso(DateTimeUnit.fromJdkCalendar(cal)), calendar);
}
