net.fortuna.ical4j.model.TimeZoneRegistry Java Examples

public byte[] build() {
    TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
    TimeZone timezone = registry.getTimeZone(timeZone);
    VTimeZone tz = timezone.getVTimeZone();
    VEvent vEvent = new VEvent(toDate(this.start), toDate(this.end), this.title);
    vEvent.getProperties().add(tz.getTimeZoneId());
    vEvent.getProperties().add(uidGenerator.generateUid());
    vEvent.getProperties().add(new Description(this.content));
    vEvent.getProperties().add(new Location(this.location));

    net.fortuna.ical4j.model.Calendar icsCalendar = new net.fortuna.ical4j.model.Calendar();
    icsCalendar.getProperties().add(new ProdId("-//FredBet//iCal4j 1.0//EN"));
    icsCalendar.getProperties().add(CalScale.GREGORIAN);
    icsCalendar.getProperties().add(Version.VERSION_2_0);

    icsCalendar.getComponents().add(vEvent);

    try (ByteArrayOutputStream out = new ByteArrayOutputStream();) {
        CalendarOutputter outputter = new CalendarOutputter();
        outputter.output(icsCalendar, out);
        return out.toByteArray();
    } catch (IOException e) {
        LOG.error(e.getMessage());
        return null;
    }
}
 

/**
 * Parses a List of Appointments into a VCALENDAR component.
 *
 * @param appointments List of Appointments for the Calendar
 * @param ownerId      Owner of the Appointments
 * @return VCALENDAR representation of the Appointments
 */
public Calendar parseAppointmentstoCalendar(List<Appointment> appointments, Long ownerId) {
	String tzid = parseTimeZone(null, userDao.get(ownerId)).getID();

	TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();

	net.fortuna.ical4j.model.TimeZone timeZone = registry.getTimeZone(tzid);
	if (timeZone == null) {
		throw new NoSuchElementException("Unable to get time zone by id provided: " + tzid);
	}

	Calendar icsCalendar = new Calendar();
	icsCalendar.getProperties().add(new ProdId(PROD_ID));
	icsCalendar.getProperties().add(Version.VERSION_2_0);
	icsCalendar.getProperties().add(CalScale.GREGORIAN);
	icsCalendar.getComponents().add(timeZone.getVTimeZone());

	for (Appointment appointment : appointments) {
		DateTime start = new DateTime(appointment.getStart()), end = new DateTime(appointment.getEnd());

		VEvent meeting = new VEvent(start, end, appointment.getTitle());
		meeting = addVEventpropsfromAppointment(appointment, meeting);
		icsCalendar.getComponents().add(meeting);
	}
	return icsCalendar;
}
 

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;
}
 

protected static Calendar createTestCalendar(ZonedDateTime start, ZonedDateTime end, String summary, String attendee) {
    // Create a TimeZone
    TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
    String tzId = start.getZone().getId();
    TimeZone timezone = registry.getTimeZone(tzId.equals("Z") ? "UTC" : tzId);
    VTimeZone tz = timezone.getVTimeZone();

    // Create the event
    PropertyList propertyList = new PropertyList();
    DateTime ts = new DateTime(true);
    ts.setTime(0);
    propertyList.add(new DtStamp(ts));
    propertyList.add(new DtStart(toDateTime(start, registry)));
    propertyList.add(new DtEnd(toDateTime(end, registry)));
    propertyList.add(new Summary(summary));
    VEvent meeting = new VEvent(propertyList);

    // add timezone info..
    meeting.getProperties().add(tz.getTimeZoneId());

    // generate unique identifier..
    meeting.getProperties().add(new Uid("00000000"));

    // add attendees..
    Attendee dev1 = new Attendee(URI.create("mailto:" + attendee));
    dev1.getParameters().add(Role.REQ_PARTICIPANT);
    dev1.getParameters().add(new Cn(attendee));
    meeting.getProperties().add(dev1);

    // Create a calendar
    net.fortuna.ical4j.model.Calendar icsCalendar = new net.fortuna.ical4j.model.Calendar();
    icsCalendar.getProperties().add(Version.VERSION_2_0);
    icsCalendar.getProperties().add(new ProdId("-//Events Calendar//iCal4j 1.0//EN"));
    icsCalendar.getProperties().add(CalScale.GREGORIAN);

    // Add the event and print
    icsCalendar.getComponents().add(meeting);
    return icsCalendar;
}
 

static DateTime toDateTime(ZonedDateTime zonedDateTime, TimeZoneRegistry registry) {
    final String tzId = zonedDateTime.getZone().getId();
    final TimeZone timezone = registry.getTimeZone(tzId.equals("Z") ? "UTC" : tzId);
    // workaround for https://github.com/apache/camel-quarkus/issues/838
    final DateTime result = new DateTime();
    result.setTimeZone(timezone);
    result.setTime(zonedDateTime.toInstant().toEpochMilli());
    // To reproduce https://github.com/apache/camel-quarkus/issues/838 comment the above, enable the following
    // and remove the TZ from DTSTART and DTEND in src/test/resources/test.ics
    // final DateTime result = new DateTime(zonedDateTime.toInstant().toEpochMilli());
    return result;
}
 

/**
 * Methods to parse Appointment to iCalendar according RFC 2445
 *
 * @param appointment to be converted to iCalendar
 * @return iCalendar representation of the Appointment
 */
public Calendar parseAppointmenttoCalendar(Appointment appointment) {
	String tzid = parseTimeZone(null, appointment.getOwner()).getID();

	TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();

	net.fortuna.ical4j.model.TimeZone timeZone = registry.getTimeZone(tzid);
	if (timeZone == null) {
		throw new NoSuchElementException("Unable to get time zone by id provided: " + tzid);
	}

	Calendar icsCalendar = new Calendar();
	icsCalendar.getProperties().add(new ProdId("-//Events Calendar//Apache Openmeetings//EN"));
	icsCalendar.getProperties().add(Version.VERSION_2_0);
	icsCalendar.getProperties().add(CalScale.GREGORIAN);
	icsCalendar.getComponents().add(timeZone.getVTimeZone());

	DateTime start = new DateTime(appointment.getStart()), end = new DateTime(appointment.getEnd());

	VEvent meeting = new VEvent(start, end, appointment.getTitle());
	meeting = addVEventpropsfromAppointment(appointment, meeting);
	icsCalendar.getComponents().add(meeting);

	return icsCalendar;
}
 

protected void printICalSchedule(String calendarName, List<String> calRefs, OutputStream os)
//	protected void printICalSchedule(String calRef, OutputStream os) 
		throws PermissionException
	{
		// generate iCal text file 
		net.fortuna.ical4j.model.Calendar ical = new net.fortuna.ical4j.model.Calendar();
		ical.getProperties().add(new ProdId("-//SakaiProject//iCal4j 1.0//EN"));
		ical.getProperties().add(Version.VERSION_2_0);
		ical.getProperties().add(CalScale.GREGORIAN);
		ical.getProperties().add(new XProperty("X-WR-CALNAME", calendarName));
		ical.getProperties().add(new XProperty("X-WR-CALDESC", calendarName));
		
		TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry(); 
		TzId tzId = new TzId( m_timeService.getLocalTimeZone().getID() ); 
		ical.getComponents().add(registry.getTimeZone(tzId.getValue()).getVTimeZone());
		
		CalendarOutputter icalOut = new CalendarOutputter();
		int numEvents = generateICal(ical, calRefs);
			
		try 
		{
			if (numEvents > 0) {
				icalOut.output( ical, os );
			}
		}
		catch (Exception e)
		{
           log.warn(".printICalSchedule(): ", e);
		}
	}
 

public VTimeZone getTimeZone(boolean timeIsLocal) {
	//timezone. All dates are in GMT so we need to explicitly set that
	TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
	
	//To prevent NPE on timezone
	TimeZone timezone = null;
	if (timeIsLocal == true) {
		timezone = registry.getTimeZone(timeService.getLocalTimeZone().getID());
	}
	if (timezone == null) {
		//This is guaranteed to return timezone if timeIsLocal == false or it fails and returns null
		timezone = registry.getTimeZone("GMT");
	}
	return timezone.getVTimeZone();
}
 

private static void clearTZRegistry(CalendarBuilder cb) {
// Clear timezone registry if present
TimeZoneRegistry tzr = cb.getRegistry();
if (tzr != null) {
    tzr.clear();
}
   }
 

/**
   * Tests convert task.
   * @throws Exception - if something is wrong this exception is thrown.
   */
  @Test
  public void testConvertTask() throws Exception {
      @SuppressWarnings("unused")
TimeZoneRegistry registry =
          TimeZoneRegistryFactory.getInstance().createRegistry();
      NoteItem master = new MockNoteItem();
      master.setDisplayName("displayName");
      master.setBody("body");
      master.setIcalUid("icaluid");
      master.setClientModifiedDate(new DateTime("20070101T100000Z"));
      master.setTriageStatus(TriageStatusUtil.initialize(new MockTriageStatus()));
      
      Calendar cal = converter.convertNote(master);
      cal.validate();
      
      Assert.assertEquals(1, cal.getComponents().size());
      
      ComponentList<VToDo> comps = cal.getComponents(Component.VTODO);
      Assert.assertEquals(1, comps.size());
      VToDo task = comps.get(0);
      
      Assert.assertNull(task.getDateCompleted());
      Assert.assertNull(ICalendarUtils.getXProperty("X-OSAF-STARRED", task));
      
      DateTime completeDate = new DateTime("20080122T100000Z");
      
      master.getTriageStatus().setCode(TriageStatus.CODE_DONE);
      master.getTriageStatus().setRank(TriageStatusUtil.getRank(completeDate.getTime()));
      master.addStamp(new MockTaskStamp());
      
      cal = converter.convertNote(master);
      task = (VToDo) cal.getComponents().get(0);
      
      Completed completed = task.getDateCompleted();
      Assert.assertNotNull(completed);
      Assert.assertEquals(completeDate.getTime(), completed.getDate().getTime());
      Assert.assertEquals("TRUE", ICalendarUtils.getXProperty("X-OSAF-STARRED", task));
      
  }
 

protected void printICalSchedule(String calendarName, List<String> calRefs, OutputStream os)
//	protected void printICalSchedule(String calRef, OutputStream os) 
		throws PermissionException
	{
		// generate iCal text file 
		net.fortuna.ical4j.model.Calendar ical = new net.fortuna.ical4j.model.Calendar();
		ical.getProperties().add(new ProdId("-//SakaiProject//iCal4j 1.0//EN"));
		ical.getProperties().add(Version.VERSION_2_0);
		ical.getProperties().add(CalScale.GREGORIAN);
		ical.getProperties().add(new XProperty("X-WR-CALNAME", calendarName));
		ical.getProperties().add(new XProperty("X-WR-CALDESC", calendarName));
		
		TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry(); 
		TzId tzId = new TzId( m_timeService.getLocalTimeZone().getID() ); 
		ical.getComponents().add(registry.getTimeZone(tzId.getValue()).getVTimeZone());
		
		CalendarOutputter icalOut = new CalendarOutputter();
		int numEvents = generateICal(ical, calRefs);
			
		try 
		{
			if (numEvents > 0) {
				icalOut.output( ical, os );
			}
		}
		catch (Exception e)
		{
           log.warn(".printICalSchedule(): ", e);
		}
	}
 

public VTimeZone getTimeZone(boolean timeIsLocal) {
	//timezone. All dates are in GMT so we need to explicitly set that
	TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
	
	//To prevent NPE on timezone
	TimeZone timezone = null;
	if (timeIsLocal == true) {
		timezone = registry.getTimeZone(timeService.getLocalTimeZone().getID());
	}
	if (timezone == null) {
		//This is guaranteed to return timezone if timeIsLocal == false or it fails and returns null
		timezone = registry.getTimeZone("GMT");
	}
	return timezone.getVTimeZone();
}
 

private Calendar createTestCalendar() throws ParseException {
    // Create a TimeZone
    TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
    TimeZone timezone = registry.getTimeZone("America/New_York");
    VTimeZone tz = timezone.getVTimeZone();

    // Start Date is on: April 1, 2013, 9:00 am
    java.util.Calendar startDate = new GregorianCalendar();
    startDate.setTimeZone(timezone);
    startDate.set(java.util.Calendar.MONTH, java.util.Calendar.APRIL);
    startDate.set(java.util.Calendar.DAY_OF_MONTH, 1);
    startDate.set(java.util.Calendar.YEAR, 2013);
    startDate.set(java.util.Calendar.HOUR_OF_DAY, 17);
    startDate.set(java.util.Calendar.MINUTE, 0);
    startDate.set(java.util.Calendar.SECOND, 0);

    // End Date is on: April 1, 2013, 13:00
    java.util.Calendar endDate = new GregorianCalendar();
    endDate.setTimeZone(timezone);
    endDate.set(java.util.Calendar.MONTH, java.util.Calendar.APRIL);
    endDate.set(java.util.Calendar.DAY_OF_MONTH, 1);
    endDate.set(java.util.Calendar.YEAR, 2013);
    endDate.set(java.util.Calendar.HOUR_OF_DAY, 21);
    endDate.set(java.util.Calendar.MINUTE, 0);
    endDate.set(java.util.Calendar.SECOND, 0);

    // Create the event
    PropertyList propertyList = new PropertyList();
    propertyList.add(new DtStamp("20130324T180000Z"));
    propertyList.add(new DtStart(new DateTime(startDate.getTime())));
    propertyList.add(new DtEnd(new DateTime(endDate.getTime())));
    propertyList.add(new Summary("Progress Meeting"));
    VEvent meeting = new VEvent(propertyList);

    // add timezone info..
    meeting.getProperties().add(tz.getTimeZoneId());

    // generate unique identifier..
    meeting.getProperties().add(new Uid("00000000"));

    // add attendees..
    Attendee dev1 = new Attendee(URI.create("mailto:[email protected]"));
    dev1.getParameters().add(Role.REQ_PARTICIPANT);
    dev1.getParameters().add(new Cn("Developer 1"));
    meeting.getProperties().add(dev1);

    Attendee dev2 = new Attendee(URI.create("mailto:[email protected]"));
    dev2.getParameters().add(Role.OPT_PARTICIPANT);
    dev2.getParameters().add(new Cn("Developer 2"));
    meeting.getProperties().add(dev2);

    // Create a calendar
    net.fortuna.ical4j.model.Calendar icsCalendar = new net.fortuna.ical4j.model.Calendar();
    icsCalendar.getProperties().add(Version.VERSION_2_0);
    icsCalendar.getProperties().add(new ProdId("-//Events Calendar//iCal4j 1.0//EN"));
    icsCalendar.getProperties().add(CalScale.GREGORIAN);

    // Add the event and print
    icsCalendar.getComponents().add(meeting);
    return icsCalendar;
}
 

public void simpleInvitionIcalLink() {
	// Create a TimeZone
	TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
	TimeZone timezone = registry.getTimeZone("America/Mexico_City");
	VTimeZone tz = timezone.getVTimeZone();

	// Start Date is on: April 1, 2008, 9:00 am
	java.util.Calendar startDate = new GregorianCalendar();
	startDate.setTimeZone(timezone);
	startDate.set(java.util.Calendar.MONTH, java.util.Calendar.APRIL);
	startDate.set(java.util.Calendar.DAY_OF_MONTH, 1);
	startDate.set(java.util.Calendar.YEAR, 2008);
	startDate.set(java.util.Calendar.HOUR_OF_DAY, 9);
	startDate.set(java.util.Calendar.MINUTE, 0);
	startDate.set(java.util.Calendar.SECOND, 0);

	// End Date is on: April 1, 2008, 13:00
	java.util.Calendar endDate = new GregorianCalendar();
	endDate.setTimeZone(timezone);
	endDate.set(java.util.Calendar.MONTH, java.util.Calendar.APRIL);
	endDate.set(java.util.Calendar.DAY_OF_MONTH, 1);
	endDate.set(java.util.Calendar.YEAR, 2008);
	endDate.set(java.util.Calendar.HOUR_OF_DAY, 13);
	endDate.set(java.util.Calendar.MINUTE, 0);
	endDate.set(java.util.Calendar.SECOND, 0);

	// Create the event
	String eventName = "Progress Meeting";
	DateTime start = new DateTime(startDate.getTime());
	DateTime end = new DateTime(endDate.getTime());
	VEvent meeting = new VEvent(start, end, eventName);

	// add timezone info..
	meeting.getProperties().add(tz.getTimeZoneId());

	// generate unique identifier..
	Uid uid = new Uid(randomUUID().toString());
	meeting.getProperties().add(uid);

	// add attendees..
	Attendee dev1 = new Attendee(URI.create("mailto:[email protected]"));
	dev1.getParameters().add(Role.REQ_PARTICIPANT);
	dev1.getParameters().add(new Cn("Developer 1"));
	meeting.getProperties().add(dev1);

	Attendee dev2 = new Attendee(URI.create("mailto:[email protected]"));
	dev2.getParameters().add(Role.OPT_PARTICIPANT);
	dev2.getParameters().add(new Cn("Developer 2"));
	meeting.getProperties().add(dev2);

	// Create a calendar
	net.fortuna.ical4j.model.Calendar icsCalendar = new net.fortuna.ical4j.model.Calendar();
	icsCalendar.getProperties().add(
			new ProdId("-//Events Calendar//iCal4j 1.0//EN"));
	icsCalendar.getProperties().add(CalScale.GREGORIAN);
	icsCalendar.getProperties().add(Version.VERSION_2_0);

	// Add the event and print
	icsCalendar.getComponents().add(meeting);

	Organizer orger = new Organizer(URI.create("[email protected]"));
	orger.getParameters().add(new Cn("Sebastian Wagner"));
	meeting.getProperties().add(orger);

	icsCalendar.getProperties().add(Method.REQUEST);

	log.debug(icsCalendar.toString());

	ByteArrayOutputStream bout = new ByteArrayOutputStream();
	CalendarOutputter outputter = new CalendarOutputter();
	try {
		outputter.output(icsCalendar, bout);
		iCalMimeBody = bout.toByteArray();

		sendIcalMessage();
	} catch (Exception e) {
		log.error("Error", e);
	}
}
 

/**
 * Tests convert event.
 * @throws Exception - if something is wrong this exception is thrown.
 */
@Test
public void testConvertEvent() throws Exception {
    TimeZoneRegistry registry =
        TimeZoneRegistryFactory.getInstance().createRegistry();
    NoteItem master = new MockNoteItem();
    master.setDisplayName("displayName");
    master.setBody("body");
    master.setIcalUid("icaluid");
    master.setClientModifiedDate(new DateTime("20070101T100000Z"));
    EventStamp eventStamp = new MockEventStamp(master);
    eventStamp.createCalendar();
    eventStamp.setStartDate(new DateTime("20070212T074500"));
    master.addStamp(eventStamp);
    
    Calendar cal = converter.convertNote(master);
    cal.validate();
    
    // date has no timezone, so there should be no timezones
    Assert.assertEquals(0, cal.getComponents(Component.VTIMEZONE).size());
  
    eventStamp.setStartDate(new DateTime("20070212T074500",TIMEZONE_REGISTRY.getTimeZone("America/Chicago")));
    
    cal = converter.convertNote(master);
    cal.validate();
    
    // should be a single VEVENT
    ComponentList<VEvent> comps = cal.getComponents(Component.VEVENT);
    Assert.assertEquals(1, comps.size());
    VEvent event = (VEvent) comps.get(0);
    
    // test VALUE=DATE-TIME is not present
    Assert.assertNull(event.getStartDate().getParameter(Parameter.VALUE));
    
    // test item properties got merged into calendar
    Assert.assertEquals("displayName", event.getSummary().getValue());
    Assert.assertEquals("body", event.getDescription().getValue());
    Assert.assertEquals("icaluid", event.getUid().getValue());
    Assert.assertEquals(master.getClientModifiedDate().getTime(), event.getDateStamp().getDate().getTime());
     
    // date has timezone, so there should be a timezone
    Assert.assertEquals(1, cal.getComponents(Component.VTIMEZONE).size());
    
    eventStamp.setEndDate(new DateTime("20070212T074500",TIMEZONE_REGISTRY.getTimeZone("America/Los_Angeles")));
    
    cal = converter.convertNote(master);
    cal.validate();
    
    // dates have 2 different timezones, so there should be 2 timezones
    Assert.assertEquals(2, cal.getComponents(Component.VTIMEZONE).size());
    
    // add timezones to master event calendar
    eventStamp.getEventCalendar().getComponents().add(registry.getTimeZone("America/Chicago").getVTimeZone());
    eventStamp.getEventCalendar().getComponents().add(registry.getTimeZone("America/Los_Angeles").getVTimeZone());
    
    cal = converter.convertNote(master);
    cal.validate();
    Assert.assertEquals(2, cal.getComponents(Component.VTIMEZONE).size());
}