/**
* Factory method: create a dateTime value given a date and a time.
*
* @param date the date
* @param time the time
* @return the dateTime with the given components. If either component is null, returns null
* @throws XPathException if the timezones are both present and inconsistent
*/
public static DateTimeValue makeDateTimeValue(DateValue date, TimeValue time)
throws XPathException {
if (date == null || time == null) {
return null;
}
DayTimeDurationValue tz1 = (DayTimeDurationValue) date.getComponent(Component.TIMEZONE);
DayTimeDurationValue tz2 = (DayTimeDurationValue) time.getComponent(Component.TIMEZONE);
boolean zoneSpecified = (tz1 != null || tz2 != null);
if (tz1 != null && tz2 != null && !tz1.equals(tz2)) {
XPathException err = new XPathException("Supplied date and time are in different timezones");
err.setErrorCode("FORG0008");
throw err;
}
DateTimeValue v = new DateTimeValue();
v.year = (int) ((Int64Value) date.getComponent(Component.YEAR_ALLOWING_ZERO)).longValue();
v.month = (byte) ((Int64Value) date.getComponent(Component.MONTH)).longValue();
v.day = (byte) ((Int64Value) date.getComponent(Component.DAY)).longValue();
v.hour = (byte) ((Int64Value) time.getComponent(Component.HOURS)).longValue();
v.minute = (byte) ((Int64Value) time.getComponent(Component.MINUTES)).longValue();
final BigDecimal secs = ((DecimalValue) time.getComponent(Component.SECONDS)).getDecimalValue();
v.second = (byte) secs.intValue();
v.microsecond = secs.multiply(BigDecimal.valueOf(1000000)).intValue() % 1000000;
if (zoneSpecified) {
if (tz1 == null) {
tz1 = tz2;
}
v.setTimezoneInMinutes((int) (tz1.getLengthInMicroseconds() / 60000000));
}
v.typeLabel = BuiltInAtomicType.DATE_TIME;
return v;
}
