import net.fortuna.ical4j.model.property.LastModified; //导入依赖的package包/类
public static Calendar createCalendar(CalDavEvent calDavEvent, DateTimeZone timeZone) {
    TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
    TimeZone timezone = registry.getTimeZone(timeZone.getID());

    Calendar calendar = new Calendar();
    calendar.getProperties().add(Version.VERSION_2_0);
    calendar.getProperties().add(new ProdId("openHAB"));
    VEvent vEvent = new VEvent();
    vEvent.getProperties().add(new Summary(calDavEvent.getName()));
    vEvent.getProperties().add(new Description(calDavEvent.getContent()));
    final DtStart dtStart = new DtStart(new net.fortuna.ical4j.model.DateTime(calDavEvent.getStart().toDate()));
    dtStart.setTimeZone(timezone);
    vEvent.getProperties().add(dtStart);
    final DtEnd dtEnd = new DtEnd(new net.fortuna.ical4j.model.DateTime(calDavEvent.getEnd().toDate()));
    dtEnd.setTimeZone(timezone);
    vEvent.getProperties().add(dtEnd);
    vEvent.getProperties().add(new Uid(calDavEvent.getId()));
    vEvent.getProperties().add(Clazz.PUBLIC);
    vEvent.getProperties()
            .add(new LastModified(new net.fortuna.ical4j.model.DateTime(calDavEvent.getLastChanged().toDate())));
    calendar.getComponents().add(vEvent);

    return calendar;
}
 

import net.fortuna.ical4j.model.property.LastModified; //导入依赖的package包/类
protected static Timestamp fromLastModified(PropertyList propertyList) {
    LastModified iCalObj = (LastModified) propertyList.getProperty(LastModified.LAST_MODIFIED);
    if (iCalObj == null) {
        return null;
    }
    Date date = iCalObj.getDate();
    return new Timestamp(date.getTime());
}
 

import net.fortuna.ical4j.model.property.LastModified; //导入依赖的package包/类
protected static LastModified toLastModified(Timestamp javaObj) {
    if (javaObj == null) {
        return null;
    }
    return new LastModified(new DateTime(javaObj));
}