/**
* Gets a period type that contains the duration types of the array.
*
* <p>Only the 8 standard duration field types are supported.
*
* @param types the types to include in the array.
* @return the period type
* @since 1.1
*/
public static synchronized PeriodType forFields(DurationFieldType[] types) {
if (types == null || types.length == 0) {
throw new IllegalArgumentException("Types array must not be null or empty");
}
for (int i = 0; i < types.length; i++) {
if (types[i] == null) {
throw new IllegalArgumentException("Types array must not contain null");
}
}
Map<PeriodType, PeriodType> cache = cTypes;
if (cTypes.isEmpty()) {
cache.put(standard(), standard());
cache.put(yearMonthDayTime(), yearMonthDayTime());
cache.put(yearMonthDay(), yearMonthDay());
cache.put(yearWeekDayTime(), yearWeekDayTime());
cache.put(yearWeekDay(), yearWeekDay());
cache.put(yearDayTime(), yearDayTime());
cache.put(yearDay(), yearDay());
cache.put(dayTime(), dayTime());
cache.put(time(), time());
cache.put(years(), years());
cache.put(months(), months());
cache.put(weeks(), weeks());
cache.put(days(), days());
cache.put(hours(), hours());
cache.put(minutes(), minutes());
cache.put(seconds(), seconds());
cache.put(millis(), millis());
}
PeriodType inPartType = new PeriodType(null, types, null);
Object cached = cache.get(inPartType);
if (cached instanceof PeriodType) {
return (PeriodType) cached;
}
if (cached != null) {
throw new IllegalArgumentException("PeriodType does not support fields: " + cached);
}
PeriodType type = standard();
List<DurationFieldType> list = new ArrayList<DurationFieldType>(Arrays.asList(types));
if (list.remove(DurationFieldType.years()) == false) {
type = type.withYearsRemoved();
}
if (list.remove(DurationFieldType.months()) == false) {
type = type.withMonthsRemoved();
}
if (list.remove(DurationFieldType.weeks()) == false) {
type = type.withWeeksRemoved();
}
if (list.remove(DurationFieldType.days()) == false) {
type = type.withDaysRemoved();
}
if (list.remove(DurationFieldType.hours()) == false) {
type = type.withHoursRemoved();
}
if (list.remove(DurationFieldType.minutes()) == false) {
type = type.withMinutesRemoved();
}
if (list.remove(DurationFieldType.seconds()) == false) {
type = type.withSecondsRemoved();
}
if (list.remove(DurationFieldType.millis()) == false) {
type = type.withMillisRemoved();
}
if (list.size() > 0) {
// cache.put(inPartType, list);
throw new IllegalArgumentException("PeriodType does not support fields: " + list);
}
// recheck cache in case initial array order was wrong
PeriodType checkPartType = new PeriodType(null, type.iTypes, null);
PeriodType checkedType = (PeriodType) cache.get(checkPartType);
if (checkedType != null) {
cache.put(inPartType, checkedType);
return checkedType;
}
cache.put(inPartType, type);
return type;
}
