/**
* Return a calendar with the timezone field set, to be used for order comparison. If the original
* calendar did not specify a timezone, set the local timezone (unadjusted for daylight savings).
* The returned calendars will be totally ordered between themselves. We also set any missing
* fields to ensure that normalization doesn't discard important data! (This is probably a bug in
* the JAXP implementation, but the workaround doesn't hurt us, so it's faster to just fix it
* here.)
*
* @return the calendar represented by this object, with the timezone field filled in with an
* implicit value if necessary
*/
protected XMLGregorianCalendar getImplicitCalendar() {
if (implicitCalendar == null) {
implicitCalendar = (XMLGregorianCalendar) calendar.clone();
if (calendar.getTimezone() == DatatypeConstants.FIELD_UNDEFINED) {
implicitCalendar.setTimezone(TimeUtils.getInstance().getLocalTimezoneOffsetMinutes());
}
// fill in fields from default reference; don't have to worry about weird combinations of
// fields being set, since we control that on creation
switch (getType()) {
case Type.DATE:
implicitCalendar.setTime(0, 0, 0);
break;
case Type.TIME:
implicitCalendar.setYear(1972);
implicitCalendar.setMonth(12);
implicitCalendar.setDay(31);
break;
default:
}
implicitCalendar =
implicitCalendar
.normalize(); // the comparison routines will normalize it anyway, just do it once
// here
}
return implicitCalendar;
}
public AbstractDateTimeValue adjustedToTimezone(DayTimeDurationValue offset)
throws XPathException {
if (offset == null)
offset = new DayTimeDurationValue(TimeUtils.getInstance().getLocalTimezoneOffsetMillis());
validateTimezone(offset);
XMLGregorianCalendar xgc = (XMLGregorianCalendar) calendar.clone();
if (xgc.getTimezone() != DatatypeConstants.FIELD_UNDEFINED) {
if (getType() == Type.DATE)
xgc.setTime(0, 0, 0); // set the fields so we don't lose precision when shifting timezones
xgc = xgc.normalize();
xgc.add(offset.duration);
}
try {
xgc.setTimezone((int) (offset.getValue() / 60));
} catch (IllegalArgumentException e) {
throw new XPathException("illegal timezone offset " + offset, e);
}
return createSameKind(xgc);
}
private Object encodeLiteral(final Literal literal) {
final URI datatype = literal.getDatatype();
if (datatype == null || datatype.equals(XMLSchema.STRING)) {
final String language = literal.getLanguage();
if (language == null) {
return literal.getLabel();
} else {
return SerializerAvro.newGenericRecord(Schemas.STRING_LANG, literal.getLabel(), language);
}
} else if (datatype.equals(XMLSchema.BOOLEAN)) {
return literal.booleanValue();
} else if (datatype.equals(XMLSchema.LONG)) {
return literal.longValue();
} else if (datatype.equals(XMLSchema.INT)) {
return literal.intValue();
} else if (datatype.equals(XMLSchema.DOUBLE)) {
return literal.doubleValue();
} else if (datatype.equals(XMLSchema.FLOAT)) {
return literal.floatValue();
} else if (datatype.equals(XMLSchema.SHORT)) {
return SerializerAvro.newGenericRecord(Schemas.SHORT, literal.intValue());
} else if (datatype.equals(XMLSchema.BYTE)) {
return SerializerAvro.newGenericRecord(Schemas.BYTE, literal.intValue());
} else if (datatype.equals(XMLSchema.INTEGER)) {
return SerializerAvro.newGenericRecord(Schemas.BIGINTEGER, literal.stringValue());
} else if (datatype.equals(XMLSchema.DECIMAL)) {
return SerializerAvro.newGenericRecord(Schemas.BIGDECIMAL, literal.stringValue());
} else if (datatype.equals(XMLSchema.DATETIME)) {
final XMLGregorianCalendar calendar = literal.calendarValue();
return SerializerAvro.newGenericRecord(
Schemas.CALENDAR,
calendar.getTimezone(),
calendar.toGregorianCalendar().getTimeInMillis());
}
throw new IllegalArgumentException("Unsupported literal: " + literal);
}
public int getTimezone() {
return calendar.getTimezone();
}
public Sequence getTimezone() throws XPathException {
int tz = calendar.getTimezone();
if (tz == DatatypeConstants.FIELD_UNDEFINED) return Sequence.EMPTY_SEQUENCE;
return new DayTimeDurationValue(tz * 60000L);
}
