/**
* Get a component of the value. Returns null if the timezone component is requested and is not
* present.
*/
public AtomicValue getComponent(int component) throws XPathException {
switch (component) {
case Component.YEAR_ALLOWING_ZERO:
return Int64Value.makeIntegerValue(year);
case Component.YEAR:
return Int64Value.makeIntegerValue(year > 0 ? year : year - 1);
case Component.MONTH:
return Int64Value.makeIntegerValue(month);
case Component.DAY:
return Int64Value.makeIntegerValue(day);
case Component.HOURS:
return Int64Value.makeIntegerValue(hour);
case Component.MINUTES:
return Int64Value.makeIntegerValue(minute);
case Component.SECONDS:
BigDecimal d = BigDecimal.valueOf(microsecond);
d = d.divide(DecimalValue.BIG_DECIMAL_ONE_MILLION, 6, BigDecimal.ROUND_HALF_UP);
d = d.add(BigDecimal.valueOf(second));
return new DecimalValue(d);
case Component.WHOLE_SECONDS: // (internal use only)
return Int64Value.makeIntegerValue(second);
case Component.MICROSECONDS:
// internal use only
return new Int64Value(microsecond);
case Component.TIMEZONE:
if (hasTimezone()) {
return DayTimeDurationValue.fromMilliseconds(getTimezoneInMinutes() * 60 * 1000);
} else {
return null;
}
default:
throw new IllegalArgumentException("Unknown component for dateTime: " + component);
}
}