net.fortuna.ical4j.model.TimeZoneRegistryFactory 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;
    }
}
 

/**
 * 获取重复时间表达式中结束的日期
 * @return
 */
public Date getRecurrenceEndDate() {
	final TimeZone tz = TimeZoneRegistryFactory.getInstance().createRegistry()
			.getTimeZone(java.util.Calendar.getInstance().getTimeZone().getID());
	if (recurrenceRule != null) {
		try {
			final Recur recur = new Recur(recurrenceRule);
			final Date dUntil = recur.getUntil();
			final DateTime dtUntil = dUntil == null ? null : new DateTime(dUntil.getTime());
			if (dtUntil != null) {
				dtUntil.setTimeZone(tz);
				return dtUntil;
			}
		} catch (final ParseException e) {
			System.out.println("cannot restore recurrence rule");
			e.printStackTrace();
		}
	}
	return null;
}
 

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;
}
 

/**
 * [spring]
 */
private CalendarDaoICalFileImpl() {
    this.fStorageBase = new File(WebappHelper.getUserDataRoot() + "/calendars");
    if (!fStorageBase.exists()) {
        if (!fStorageBase.mkdirs()) {
            throw new OLATRuntimeException("Error creating calendar base directory at: " + fStorageBase.getAbsolutePath(), null);
        }
    }
    createCalendarFileDirectories();
    // set parser to relax (needed for allday events
    // see http://sourceforge.net/forum/forum.php?thread_id=1253735&forum_id=368291
    System.setProperty("ical4j.unfolding.relaxed", "true");
    // initialize timezone
    tz = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(java.util.Calendar.getInstance().getTimeZone().getID());
    // INSTANCE = this;
}
 

/**
 * @param rule
 * @return date of recurrence end
 */
public Date getRecurrenceEndDate() {
    final TimeZone tz = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(java.util.Calendar.getInstance().getTimeZone().getID());

    if (recurrenceRule != null) {
        try {
            final Recur recur = new Recur(recurrenceRule);
            final Date dUntil = recur.getUntil();
            final DateTime dtUntil = dUntil == null ? null : new DateTime(dUntil.getTime());
            if (dtUntil != null) {
                dtUntil.setTimeZone(tz);
                return dtUntil;
            }
        } catch (final ParseException e) {
            log.error("cannot restore recurrence rule", e);
        }
    }

    return null;
}
 

/**
 * [spring]
 */
private CalendarDaoICalFileImpl() {
    this.fStorageBase = new File(WebappHelper.getUserDataRoot() + "/calendars");
    if (!fStorageBase.exists()) {
        if (!fStorageBase.mkdirs()) {
            throw new OLATRuntimeException("Error creating calendar base directory at: " + fStorageBase.getAbsolutePath(), null);
        }
    }
    createCalendarFileDirectories();
    // set parser to relax (needed for allday events
    // see http://sourceforge.net/forum/forum.php?thread_id=1253735&forum_id=368291
    System.setProperty("ical4j.unfolding.relaxed", "true");
    // initialize timezone
    tz = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(java.util.Calendar.getInstance().getTimeZone().getID());
    // INSTANCE = this;
}
 

/**
 * @param rule
 * @return date of recurrence end
 */
public Date getRecurrenceEndDate() {
    final TimeZone tz = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(java.util.Calendar.getInstance().getTimeZone().getID());

    if (recurrenceRule != null) {
        try {
            final Recur recur = new Recur(recurrenceRule);
            final Date dUntil = recur.getUntil();
            final DateTime dtUntil = dUntil == null ? null : new DateTime(dUntil.getTime());
            if (dtUntil != null) {
                dtUntil.setTimeZone(tz);
                return dtUntil;
            }
        } catch (final ParseException e) {
            log.error("cannot restore recurrence rule", e);
        }
    }

    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;
}
 

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;
}
 

@Override
public Set<Item> findEvents(CollectionItem collection, Date rangeStart, Date rangeEnd, String timezoneId,
        boolean expandRecurringEvents) {

    // Create a NoteItemFilter that filters by parent
    NoteItemFilter itemFilter = new NoteItemFilter();
    itemFilter.setParent(collection);

    // and EventStamp by timeRange
    EventStampFilter eventFilter = new EventStampFilter();

    if (timezoneId != null) {
        TimeZone timeZone = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(timezoneId);
        eventFilter.setTimezone(timeZone);
    }

    eventFilter.setTimeRange(rangeStart, rangeEnd);
    eventFilter.setExpandRecurringEvents(expandRecurringEvents);
    itemFilter.getStampFilters().add(eventFilter);

    try {
        return itemFilterProcessor.processFilter(itemFilter);
    } catch (HibernateException e) {
        this.em.clear();
        throw SessionFactoryUtils.convertHibernateAccessException(e);
    }
}
 

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;
}
 

/**
   * 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));
      
  }
 

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();
}
 

/**
 * Makes dummy calendar with event.
 * @return The calendar.
 */
public Calendar makeDummyCalendarWithEvent() {
    Calendar cal = makeDummyCalendar();

    VEvent e1 = makeDummyEvent();
    cal.getComponents().add(e1);

    VTimeZone tz1 = TimeZoneRegistryFactory.getInstance().createRegistry().
    getTimeZone("America/Los_Angeles").getVTimeZone();
    cal.getComponents().add(tz1);

    return cal;
}
 

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);
		}
	}
 

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();
}
 

/**
 * 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;
}
 

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);
	}
}
 

/**
 * Build iCalendar-compliant recurrence rule
 * 
 * @param recurrence
 * @param recurrenceEnd
 * @return rrule
 */
public static String getRecurrenceRule(final String recurrence, final Date recurrenceEnd) {
    final TimeZone tz = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(java.util.Calendar.getInstance().getTimeZone().getID());

    if (recurrence != null) { // recurrence available
        // create recurrence rule
        final StringBuilder sb = new StringBuilder();
        sb.append("FREQ=");
        if (recurrence.equals(CalendarEntry.WORKDAILY)) {
            // build rule for monday to friday
            sb.append(CalendarEntry.DAILY);
            sb.append(";");
            sb.append("BYDAY=MO,TU,WE,TH,FR");
        } else if (recurrence.equals(CalendarEntry.BIWEEKLY)) {
            // build rule for biweekly
            sb.append(CalendarEntry.WEEKLY);
            sb.append(";");
            sb.append("INTERVAL=2");
        } else {
            // normal supported recurrence
            sb.append(recurrence);
        }
        if (recurrenceEnd != null) {
            final DateTime recurEndDT = new DateTime(recurrenceEnd.getTime());
            recurEndDT.setTimeZone(tz);
            sb.append(";");
            sb.append(CalendarEntry.UNTIL);
            sb.append("=");
            sb.append(recurEndDT.toString());
        }
        try {
            final Recur recur = new Recur(sb.toString());
            final RRule rrule = new RRule(recur);
            return rrule.getValue();
        } catch (final ParseException e) {
            log.error("cannot create recurrence rule: " + recurrence.toString(), e);
        }
    }

    return null;
}
 

/**
 * Build iCalendar-compliant recurrence rule
 * 
 * @param recurrence
 * @param recurrenceEnd
 * @return rrule
 */
public static String getRecurrenceRule(final String recurrence, final Date recurrenceEnd) {
    final TimeZone tz = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(java.util.Calendar.getInstance().getTimeZone().getID());

    if (recurrence != null) { // recurrence available
        // create recurrence rule
        final StringBuilder sb = new StringBuilder();
        sb.append("FREQ=");
        if (recurrence.equals(CalendarEntry.WORKDAILY)) {
            // build rule for monday to friday
            sb.append(CalendarEntry.DAILY);
            sb.append(";");
            sb.append("BYDAY=MO,TU,WE,TH,FR");
        } else if (recurrence.equals(CalendarEntry.BIWEEKLY)) {
            // build rule for biweekly
            sb.append(CalendarEntry.WEEKLY);
            sb.append(";");
            sb.append("INTERVAL=2");
        } else {
            // normal supported recurrence
            sb.append(recurrence);
        }
        if (recurrenceEnd != null) {
            final DateTime recurEndDT = new DateTime(recurrenceEnd.getTime());
            recurEndDT.setTimeZone(tz);
            sb.append(";");
            sb.append(CalendarEntry.UNTIL);
            sb.append("=");
            sb.append(recurEndDT.toString());
        }
        try {
            final Recur recur = new Recur(sb.toString());
            final RRule rrule = new RRule(recur);
            return rrule.getValue();
        } catch (final ParseException e) {
            log.error("cannot create recurrence rule: " + recurrence.toString(), e);
        }
    }

    return null;
}
 

/**
 * Makes dummy event.
 * @return The event.
 */
public VEvent makeDummyEvent() {
    String serial = Integer.toString(++eseq);
    String summary = "dummy" + serial;

    // tomorrow
    java.util.Calendar start = java.util.Calendar.getInstance();
    start.add(java.util.Calendar.DAY_OF_MONTH, 1);
    start.set(java.util.Calendar.HOUR_OF_DAY, 9);
    start.set(java.util.Calendar.MINUTE, 30);

    // 1 hour duration
    Dur duration = new Dur(0, 1, 0, 0);
 
    VEvent event = new VEvent(new Date(start.getTime()), duration, summary);
    event.getProperties().add(new Uid(serial));
 
    // add timezone information
    VTimeZone tz = TimeZoneRegistryFactory.getInstance().createRegistry().
        getTimeZone("America/Los_Angeles").getVTimeZone();
    String tzValue =
        tz.getProperties().getProperty(Property.TZID).getValue();
    net.fortuna.ical4j.model.parameter.TzId tzParam =
        new net.fortuna.ical4j.model.parameter.TzId(tzValue);
    event.getProperties().getProperty(Property.DTSTART).
        getParameters().add(tzParam);

    // add an alarm for 5 minutes before the event with an xparam
    // on the description
    Dur trigger = new Dur(0, 0, -5, 0);
    VAlarm alarm = new VAlarm(trigger);
    alarm.getProperties().add(Action.DISPLAY);
    Description description = new Description("Meeting at 9:30am");
    XParameter xparam = new XParameter("X-COSMO-TEST-PARAM", "deadbeef");
    description.getParameters().add(xparam);
    alarm.getProperties().add(description);
    alarm.getProperties().add(new Description("Meeting at 9:30am"));
    event.getAlarms().add(alarm);

    // add an x-property with an x-param
    XProperty xprop = new XProperty("X-COSMO-TEST-PROP", "abc123");
    xprop.getParameters().add(xparam);
    event.getProperties().add(xprop);

    return event;
}
 

/**
 * 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());
}
 

@Before
public void setUp() {
    registry = TimeZoneRegistryFactory.getInstance().createRegistry();
}
 

/**
 * Set the timezone to use when converting floating times to
 * UTC.  Only used if isUTC is set to true.
 *
 * @param timezone The timezone.
 */
public void setTimezone(TimeZone timezone) {
    if(timezone != null ){
        this.timezone = TimeZoneRegistryFactory.getInstance().createRegistry().getTimeZone(timezone.getID());
    }
}