import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
private GetEventsResponse icalResponse(Page<EventEntity> eventPage) {
    Calendar calendar = new Calendar();
    calendar.getProperties().add(new ProdId("-//PutPut//iCal4j 1.0//EN"));
    calendar.getProperties().add(Version.VERSION_2_0);
    calendar.getProperties().add(CalScale.GREGORIAN);
    
    eventPage
            .getContent()
            .stream()
            .forEach(event -> {
                TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
                net.fortuna.ical4j.model.TimeZone timezone = registry.getTimeZone(event.getTimezone());
                
                VEvent vEvent = createVEvent(event, timezone);
                
                vEvent.getProperties().add(new Uid(event.getId()));
                vEvent.getProperties().add(new Description(event.getDescription()));
                vEvent.getProperties().add(new Location(event.getLocation()));
                vEvent.getProperties().add(timezone.getVTimeZone().getTimeZoneId());
                
                calendar.getComponents().add(vEvent);
            });
    
    return GetEventsResponse.withCalendarOK(calendar.toString());
}
 

import net.fortuna.ical4j.model.property.Version; //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.Version; //导入依赖的package包/类
/**
 * 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;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * 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;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Ensure we can get a ical4j Calendar from the generated event.
 */
@Test
public void testGeneratingCalendar() {
	
	//generate new event
	CalendarEvent event = generateEvent();
	
	//create vevent
	net.fortuna.ical4j.model.component.VEvent vevent = service.createEvent(event);
	
	//create calendar from vevent
	net.fortuna.ical4j.model.Calendar calendar = service.createCalendar(Collections.singletonList(vevent));
	
	log.debug("testGeneratingCalendar");
	log.debug("######################");
	log.debug("{}", calendar);
	
	Assert.assertNotNull(calendar);
	
	//check attributes of the ical4j calendar are what we expect and match those in the event
	Assert.assertEquals(Version.VERSION_2_0, calendar.getVersion());
	Assert.assertEquals(CalScale.GREGORIAN, calendar.getCalendarScale());
	
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Generates a Calendar Object
 * @param user 
 * @param project
 * @return Calendar of the user
 * 		   null if the calendar has not got events
 * @throws TooManyItemsToLoadException 
 */
private Calendar generateCalendar(TPersonBean user, String project) throws IOException, TooManyItemsToLoadException {
	Calendar calendar = new Calendar();
	
	calendar.getProperties().add(new ProdId("Calendar of Projects: "+ project));
	calendar.getProperties().add(Version.VERSION_2_0);
	calendar.getProperties().add(CalScale.GREGORIAN);
	calendar.getProperties().add(Method.PUBLISH);
	
	List<TWorkItemBean> workItemList = obtainIssues(user, project);
	
	if (workItemList!=null&&workItemList.size()!=0){
		addEventsFromWorkItemList(workItemList, calendar, user.getLocale());
		return calendar;
	}	
	else {
		return calendar;
	}
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
public static Calendar createCalendar(List<EventBean> events) {

        final String prodIdCompany = Unit.getInstitutionName().getContent();
        Calendar calendar = new Calendar();
        calendar.getProperties().add(new ProdId("-//" + prodIdCompany + "//" + PROD_ID_APPLICATION + "//PT"));
        calendar.getProperties().add(Version.VERSION_2_0);
        calendar.getProperties().add(CalScale.GREGORIAN);

        VTimeZone tz = TIMEZONE.getVTimeZone();
        calendar.getComponents().add(tz);

        for (EventBean eventBean : events) {
            calendar.getComponents().add(convertEventBean(eventBean));
        }
        return calendar;

    }
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Constructor
 *
 * @param method
 *            (@see IcalHandler) constants
 */
public IcalHandler(Method method) {
	log.debug("Icalhandler method type : " + method);

	icsCalendar = new Calendar();
	icsCalendar.getProperties().add(new ProdId("-//Events Calendar//iCal4j 1.0//EN"));
	icsCalendar.getProperties().add(Version.VERSION_2_0);
	icsCalendar.getProperties().add(CalScale.GREGORIAN);
	icsCalendar.getProperties().add(method);
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Helper method to setup the standard parts of the calendar
 * @return
 */
private Calendar setupCalendar(String method) {
	
	String serverName = sakaiProxy.getServerName();
	
	//setup calendar
	Calendar calendar = new Calendar();
	calendar.getProperties().add(new ProdId("-//"+serverName+"//Sakai External Calendaring Service//EN"));
	calendar.getProperties().add(Version.VERSION_2_0);
	calendar.getProperties().add(CalScale.GREGORIAN);
	if (method != null) {
		calendar.getProperties().add(new Method(method));
	}
	return calendar;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Ensure we can get a ical4j Calendar from the list of vevents.
 */
@Test
public void testGeneratingCalendarWithMultipleVEvents() {
			
	//create list of vevents
	List<net.fortuna.ical4j.model.component.VEvent> vevents = new ArrayList<net.fortuna.ical4j.model.component.VEvent>();

	for(int i=0;i<10;i++) {
		vevents.add(service.createEvent(generateEvent()));
	}
	
	//create calendar from vevent
	net.fortuna.ical4j.model.Calendar calendar = service.createCalendar(vevents);
	
	log.debug("testGeneratingCalendarWithMultipleVEvents");
	log.debug("#########################################");
	log.debug("{}", calendar);
	
	Assert.assertNotNull(calendar);
	
	//check attributes of the ical4j calendar are what we expect and match those in the event
	Assert.assertEquals(Version.VERSION_2_0, calendar.getVersion());
	Assert.assertEquals(CalScale.GREGORIAN, calendar.getCalendarScale());
	
	//TODO check count of vevents
	
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Obfuscates the specified calendar by removing unnecessary properties and replacing text fields with specified
 * text.
 * 
 * @param original
 *            calendar to be obfuscated
 * @param productId
 *            productId to be set for the copy calendar.
 * @param freeBusyText
 * @return obfuscated calendar.
 */
public static Calendar getFreeBusyCalendar(Calendar original, String productId, String freeBusyText) {
    // Make a copy of the original calendar
    Calendar copy = new Calendar();
    copy.getProperties().add(new ProdId(productId));
    copy.getProperties().add(Version.VERSION_2_0);
    copy.getProperties().add(CalScale.GREGORIAN);
    copy.getProperties().add(new XProperty(FREE_BUSY_X_PROPERTY, Boolean.TRUE.toString()));

    ComponentList<CalendarComponent> events = original.getComponents(Component.VEVENT);
    for (Component event : events) {
        copy.getComponents().add(getFreeBusyEvent((VEvent) event, freeBusyText));
    }
    return copy;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * @param collectionItem
 * @return
 */
private Calendar getCalendarFromCollection(DavRequest req, CollectionItem collectionItem) {
    Calendar result = new Calendar();

    if (productId == null) {
        synchronized (this) {
            if (productId == null) {
                Environment environment = WebApplicationContextUtils
                        .findWebApplicationContext(req.getServletContext()).getEnvironment();
                productId = environment.getProperty(PRODUCT_ID_KEY);
            }
        }
    }

    result.getProperties().add(new ProdId(productId));
    result.getProperties().add(Version.VERSION_2_0);
    result.getProperties().add(CalScale.GREGORIAN);

    for (Item item : collectionItem.getChildren()) {
        if (!NoteItem.class.isInstance(item)) {
            continue;
        }
        for (Stamp s : item.getStamps()) {
            if (BaseEventStamp.class.isInstance(s)) {
                BaseEventStamp baseEventStamp = BaseEventStamp.class.cast(s);
                result.getComponents().add(baseEventStamp.getEvent());
            }
        }
    }
    return result;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Makes dummy calendar.
 * @return The dummy calendar.
 */
public Calendar makeDummyCalendar() {
    Calendar cal =new Calendar();

    cal.getProperties().add(new ProdId(CosmoConstants.PRODUCT_ID));
    cal.getProperties().add(Version.VERSION_2_0);

    return cal;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Creates a simple item which will be checked with simpleCheckCallExpectedHandler.
 *  
 * @param user
 * @return
 * @throws URISyntaxException
 */
private ContentItem createSimpleContentItem(User user) throws URISyntaxException {
    //call service
    ContentItem contentItem = testHelper.makeDummyContent(user);


    HibEventStamp eventStamp = new HibEventStamp();
    VEvent vEvent = new VEvent();
    vEvent.getProperties().add(Method.REQUEST);
    vEvent.getProperties().add(Version.VERSION_2_0);
    
    Attendee dev1 = new Attendee(URI.create("MAILTO:" + ATTENDEE_1));
    dev1.getParameters().add(Role.REQ_PARTICIPANT);
    dev1.getParameters().add(PartStat.NEEDS_ACTION);
    dev1.getParameters().add(Rsvp.TRUE);
    vEvent.getProperties().add(dev1);
            
    Organizer  organizer = new Organizer("MAILTO:" + ORGANIZER);        
    vEvent.getProperties().add(organizer);
    vEvent.getProperties().add(Status.VEVENT_CONFIRMED);
    vEvent.getProperties().add(Transp.OPAQUE);
        
    Calendar calendar = new Calendar();
    calendar.getComponents().add(vEvent);
        
    eventStamp.setEventCalendar(calendar);        
    contentItem.addStamp(eventStamp);
    return contentItem;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
private Calendar buildCalendar(final OlatCalendar olatCalendar) {
    final Calendar calendar = new Calendar();
    // add standard propeties
    calendar.getProperties().add(new ProdId("-//Ben Fortuna//iCal4j 1.0//EN"));
    calendar.getProperties().add(Version.VERSION_2_0);
    calendar.getProperties().add(CalScale.GREGORIAN);
    for (final Iterator<CalendarEntry> iter = olatCalendar.getAllCalendarEntries().iterator(); iter.hasNext();) {
        final CalendarEntry kEvent = iter.next();
        final VEvent vEvent = getVEvent(kEvent);
        calendar.getComponents().add(vEvent);
    }
    return calendar;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
public Calendar getCalDavCalendar(String userToken) throws URISyntaxException, ParseException {
    UserWithPermission user;

    try {
        user = findUserFromCalendarToken(userToken);
    } catch (EmptyResultDataAccessException ex) {
        throw new SecurityException("Invalid token");
    }

    if (userRepository.isCalendarFeedDisabled(user)) {
        throw new SecurityException("Calendar feed disabled");
    }

    final Calendar calendar = new Calendar();
    calendar.getProperties().add(new ProdId("-//Lavagna//iCal4j 1.0//EN"));
    calendar.getProperties().add(Version.VERSION_2_0);
    calendar.getProperties().add(CalScale.GREGORIAN);
    calendar.getProperties().add(Method.PUBLISH);

    final List<VEvent> events = new ArrayList<>();
    final String applicationUrl = StringUtils
        .appendIfMissing(configurationRepository.getValue(Key.BASE_APPLICATION_URL), "/");
    final CalendarEventHandler handler = new CalendarVEventHandler(applicationUrl, cardDataService, userRepository,
        events);

    // Milestones
    addMilestoneEvents(handler, user);

    // Cards
    addCardEvents(handler, user);

    calendar.getComponents().addAll(events);

    return calendar;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
protected static Calendar makeCalendar(GenericValue workEffort, Map<String, Object> context) throws GenericEntityException {
    String iCalData = null;
    GenericValue iCalValue = workEffort.getRelatedOne("WorkEffortIcalData", false);
    if (iCalValue != null) {
        iCalData = iCalValue.getString("icalData");
    }
    boolean newCalendar = true;
    Calendar calendar = null;
    if (iCalData == null) {
        Debug.logVerbose("iCalendar Data not found, creating new Calendar", module);
        calendar = new Calendar();
    } else {
        Debug.logVerbose("iCalendar Data found, using saved Calendar", module);
        StringReader reader = new StringReader(iCalData);
        CalendarBuilder builder = new CalendarBuilder();
        try {
            calendar = builder.build(reader);
            newCalendar = false;
        } catch (Exception e) {
            Debug.logError(e, "Error while parsing saved iCalendar, creating new iCalendar: ", module);
            calendar = new Calendar();
        }
    }
    PropertyList propList = calendar.getProperties();
    replaceProperty(propList, prodId);
    replaceProperty(propList, new XProperty(workEffortIdXPropName, workEffort.getString("workEffortId")));
    if (newCalendar) {
        propList.add(Version.VERSION_2_0);
        propList.add(CalScale.GREGORIAN);
        // TODO: Get time zone from publish properties value
        java.util.TimeZone tz = java.util.TimeZone.getDefault();
        TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
        net.fortuna.ical4j.model.TimeZone timezone = registry.getTimeZone(tz.getID());
        calendar.getComponents().add(timezone.getVTimeZone());
    }
    return calendar;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
public static Calendar newCalendar() {
	final Calendar cal = new Calendar();
	cal.getProperties().add(new ProdId(PRODUCT_ID));
	cal.getProperties().add(Version.VERSION_2_0);
	cal.getProperties().add(CalScale.GREGORIAN);
	return cal;
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
@Test
public void convertedCalendarHasVersion2(){
	Calendar calendar = eventConverter.convertToCalendar(null, null);
	Version version = calendar.getVersion();
	assertNotNull(version);
	assertEquals(ExchangeEventConverter.VERSION, version);
	log.info("version="+version);
}
 

import net.fortuna.ical4j.model.property.Version; //导入依赖的package包/类
/**
 * Creates test calendar instance.
 * 
 * @return ICal calendar object.
 */
protected 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]ycompany.com"));
    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;
}