@Override
protected void validate(
List<ICalComponent> components, ICalVersion version, List<Warning> warnings) {
if (dates.isEmpty() && periods.isEmpty()) {
// no value
warnings.add(Warning.validate(26));
}
if (!dates.isEmpty() && !periods.isEmpty()) {
// can't mix dates and periods
warnings.add(Warning.validate(49));
}
if (version == ICalVersion.V1_0 && !periods.isEmpty()) {
// 1.0 doesn't support periods
warnings.add(Warning.validate(51));
}
if (!dates.isEmpty()) {
// can't mix date and date-time values
boolean hasTime = dates.get(0).hasTime();
for (ICalDate date : dates.subList(1, dates.size())) {
if (date.hasTime() != hasTime) {
warnings.add(Warning.validate(50));
break;
}
}
}
}
@Override
protected void _writeXml(ExceptionDates property, XCalElement element, WriteContext context) {
List<ICalDate> values = property.getValues();
if (values.isEmpty()) {
element.append(defaultDataType(context.getVersion()), "");
return;
}
if (isInObservance(context)) {
for (ICalDate value : values) {
String valueStr = date(value).observance(true).extended(true).write();
element.append(DATE_TIME, valueStr);
}
return;
}
for (ICalDate value : values) {
ICalDataType dataType = value.hasTime() ? DATE_TIME : DATE;
String dateStr = date(value, property, context).extended(true).write();
element.append(dataType, dateStr);
}
}