public static String TimezoneDefToTzId(String timezoneDef) {
try {
CalendarBuilder builder = new CalendarBuilder();
net.fortuna.ical4j.model.Calendar cal = builder.build(new StringReader(timezoneDef));
VTimeZone timezone = (VTimeZone) cal.getComponent(VTimeZone.VTIMEZONE);
return timezone.getTimeZoneId().getValue();
} catch (Exception ex) {
Log.w(TAG, "Can't understand time zone definition", ex);
}
return null;
}
/** {@inheritDoc} */
public VEvent createEvent(CalendarEvent event, List<User> attendees) {
if (!isIcsEnabled()) {
log.debug(
"ExternalCalendaringService is disabled. Enable via calendar.ics.generation.enabled=true in sakai.properties");
return null;
}
// timezone. All dates are in GMT so we need to explicitly set that
TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
TimeZone timezone = registry.getTimeZone("GMT");
VTimeZone tz = timezone.getVTimeZone();
// start and end date
DateTime start = new DateTime(getStartDate(event.getRange()).getTime());
DateTime end = new DateTime(getEndDate(event.getRange()).getTime());
// create event incl title/summary
VEvent vevent = new VEvent(start, end, event.getDisplayName());
// add timezone
vevent.getProperties().add(tz.getTimeZoneId());
// add uid to event
// could come from the vevent_uuid field in the calendar event, otherwise from event ID.
String uuid = null;
if (StringUtils.isNotBlank(event.getField("vevent_uuid"))) {
uuid = event.getField("vevent_uuid");
} else {
uuid = event.getId();
}
vevent.getProperties().add(new Uid(uuid));
// add sequence to event
// will come from the vevent_sequnece field in the calendar event, otherwise skip it
String sequence = null;
if (StringUtils.isNotBlank(event.getField("vevent_sequence"))) {
sequence = event.getField("vevent_sequence");
vevent.getProperties().add(new Sequence(sequence));
}
// add description to event
vevent.getProperties().add(new Description(event.getDescription()));
// add location to event
vevent.getProperties().add(new Location(event.getLocation()));
// add organiser to event
if (StringUtils.isNotBlank(event.getCreator())) {
String creatorEmail = sakaiProxy.getUserEmail(event.getCreator());
URI mailURI = createMailURI(creatorEmail);
Cn commonName = new Cn(sakaiProxy.getUserDisplayName(event.getCreator()));
Organizer organizer = new Organizer(mailURI);
organizer.getParameters().add(commonName);
vevent.getProperties().add(organizer);
}
// add attendees to event with 'required participant' role
vevent = addAttendeesToEvent(vevent, attendees);
// add URL to event, if present
String url = null;
if (StringUtils.isNotBlank(event.getField("vevent_url"))) {
url = event.getField("vevent_url");
Url u = new Url();
try {
u.setValue(url);
vevent.getProperties().add(u);
} catch (URISyntaxException e) {
// it doesnt matter, ignore it
}
}
if (log.isDebugEnabled()) {
log.debug("VEvent:" + vevent);
}
return vevent;
}