Examples with PropertyList net.fortuna.ical4j.model.PropertyList used on opensource projects

Example 16 with PropertyList

use of net.fortuna.ical4j.model.PropertyList in project opencast by opencast.

the class SchedulerServiceImplTest method testEventManagement.

@Test
public void testEventManagement() throws Exception {
    MediaPackage mediaPackage = generateEvent(Opt.<String>none());
    DublinCoreCatalog event = generateEvent("testdevice", new Date(System.currentTimeMillis() - 2000), new Date(System.currentTimeMillis() + 60000));
    event.set(PROPERTY_TITLE, "Demotitle");
    event.add(PROPERTY_CREATOR, "creator2");
    String catalogId = addDublinCore(Opt.<String>none(), mediaPackage, event);
    Map<String, String> caProperties = generateCaptureAgentMetadata("testdevice");
    schedSvc.addEvent(new Date(System.currentTimeMillis() - 2000), new Date(System.currentTimeMillis() + 60000), "testdevice", Collections.<String>emptySet(), mediaPackage, wfProperties, caProperties, Opt.<Boolean>none(), Opt.<String>none(), SchedulerService.ORIGIN);
    // test iCalender export
    CalendarBuilder calBuilder = new CalendarBuilder();
    Calendar cal;
    try {
        String icalString = schedSvc.getCalendar(Opt.<String>none(), Opt.<String>none(), Opt.<Date>none());
        cal = calBuilder.build(IOUtils.toInputStream(icalString, "UTF-8"));
        ComponentList vevents = cal.getComponents(VEVENT);
        for (int i = 0; i < vevents.size(); i++) {
            PropertyList attachments = ((VEvent) vevents.get(i)).getProperties(Property.ATTACH);
            for (int j = 0; j < attachments.size(); j++) {
                String attached = ((Property) attachments.get(j)).getValue();
                String filename = ((Property) attachments.get(j)).getParameter("X-APPLE-FILENAME").getValue();
                attached = new String(Base64.decodeBase64(attached));
                if ("org.opencastproject.capture.agent.properties".equals(filename)) {
                    Assert.assertTrue(attached.contains("capture.device.id=testdevice"));
                }
                if ("episode.xml".equals(filename)) {
                    Assert.assertTrue(attached.contains("Demotitle"));
                }
            }
        }
    } catch (IOException e) {
        Assert.fail(e.getMessage());
    } catch (ParserException e) {
        e.printStackTrace();
        Assert.fail(e.getMessage());
    }
    // test for upcoming events (it should not be in there).
    List<MediaPackage> upcoming = schedSvc.search(Opt.<String>none(), Opt.some(new Date(System.currentTimeMillis())), Opt.<Date>none(), Opt.<Date>none(), Opt.<Date>none());
    Assert.assertTrue(upcoming.isEmpty());
    List<MediaPackage> all = schedSvc.search(Opt.<String>none(), Opt.<Date>none(), Opt.<Date>none(), Opt.<Date>none(), Opt.<Date>none());
    assertEquals(1, all.size());
    all = schedSvc.search(Opt.some("somedevice"), Opt.<Date>none(), Opt.<Date>none(), Opt.<Date>none(), Opt.<Date>none());
    Assert.assertTrue(all.isEmpty());
    // update event
    event.set(PROPERTY_TEMPORAL, EncodingSchemeUtils.encodePeriod(new DCMIPeriod(new Date(System.currentTimeMillis() + 180000), new Date(System.currentTimeMillis() + 600000)), Precision.Second));
    addDublinCore(Opt.some(catalogId), mediaPackage, event);
    schedSvc.updateEvent(mediaPackage.getIdentifier().compact(), Opt.some(new Date(System.currentTimeMillis() + 180000)), Opt.some(new Date(System.currentTimeMillis() + 600000)), Opt.<String>none(), Opt.<Set<String>>none(), Opt.some(mediaPackage), Opt.some(wfPropertiesUpdated), Opt.<Map<String, String>>none(), Opt.<Opt<Boolean>>none(), SchedulerService.ORIGIN);
    // test for upcoming events (now it should be there)
    upcoming = schedSvc.search(Opt.<String>none(), Opt.some(new Date(System.currentTimeMillis())), Opt.<Date>none(), Opt.<Date>none(), Opt.<Date>none());
    assertEquals(1, upcoming.size());
    // delete event
    schedSvc.removeEvent(mediaPackage.getIdentifier().compact());
    try {
        schedSvc.getMediaPackage(mediaPackage.getIdentifier().compact());
        Assert.fail();
    } catch (NotFoundException e) {
        Assert.assertNotNull(e);
    }
    upcoming = schedSvc.search(Opt.<String>none(), Opt.<Date>none(), Opt.<Date>none(), Opt.<Date>none(), Opt.<Date>none());
    assertEquals(0, upcoming.size());
}

Example 17 with PropertyList

use of net.fortuna.ical4j.model.PropertyList in project openolat by klemens.

the class ICalFileCalendarManager method createKalendarEventRecurringOccurence.

@Override
public KalendarEvent createKalendarEventRecurringOccurence(KalendarRecurEvent recurEvent) {
    KalendarEvent rootEvent = recurEvent.getCalendar().getEvent(recurEvent.getID(), null);
    VEvent vEvent = getVEvent(recurEvent);
    PropertyList vEventProperties = vEvent.getProperties();
    for (Iterator<?> objIt = vEventProperties.iterator(); objIt.hasNext(); ) {
        Object property = objIt.next();
        if (property instanceof RRule || property instanceof ExDate) {
            objIt.remove();
        }
    }
    try {
        Kalendar calendar = recurEvent.getCalendar();
        Date startDate = recurEvent.getOccurenceDate();
        String startString = CalendarUtils.formatRecurrenceDate(startDate, rootEvent.isAllDayEvent());
        RecurrenceId recurId;
        if (rootEvent.isAllDayEvent()) {
            recurId = new RecurrenceId(tz);
            recurId.setDate(CalendarUtils.createDate(startDate));
        } else {
            recurId = new RecurrenceId(startString, tz);
        }
        vEventProperties.add(recurId);
        KalendarEvent kEvent = getKalendarEvent(vEvent);
        kEvent.setKalendar(calendar);
        return kEvent;
    } catch (ParseException e) {
        log.error("", e);
        return null;
    }
}

Example 18 with PropertyList

use of net.fortuna.ical4j.model.PropertyList in project openolat by klemens.

the class ICalFileCalendarManager method getVEvent.

private VEvent getVEvent(KalendarEvent kEvent) {
    VEvent vEvent = new VEvent();
    if (!kEvent.isAllDayEvent()) {
        // regular VEvent
        DateTime dtBegin = new DateTime(kEvent.getBegin());
        if (tz != null) {
            dtBegin.setTimeZone(tz);
        }
        Date kEventEnd = kEvent.getEnd();
        if (kEventEnd == null) {
            vEvent = new VEvent(dtBegin, kEvent.getSubject());
        } else {
            DateTime dtEnd = new DateTime(kEventEnd);
            if (tz != null) {
                dtEnd.setTimeZone(tz);
            }
            vEvent = new VEvent(dtBegin, dtEnd, kEvent.getSubject());
        }
    } else {
        // AllDay VEvent
        net.fortuna.ical4j.model.Date dtBegin = CalendarUtils.createDate(kEvent.getBegin());
        // adjust end date: ICal end dates for all day events are on the next day
        Date adjustedEndDate = new Date(kEvent.getEnd().getTime() + (1000 * 60 * 60 * 24));
        net.fortuna.ical4j.model.Date dtEnd = CalendarUtils.createDate(adjustedEndDate);
        vEvent = new VEvent(dtBegin, dtEnd, kEvent.getSubject());
    }
    if (kEvent.getCreated() > 0) {
        Created created = new Created(new DateTime(kEvent.getCreated()));
        vEvent.getProperties().add(created);
    }
    if ((kEvent.getCreatedBy() != null) && !kEvent.getCreatedBy().trim().isEmpty()) {
        Contact contact = new Contact();
        contact.setValue(kEvent.getCreatedBy());
        vEvent.getProperties().add(contact);
    }
    if (kEvent.getLastModified() > 0) {
        LastModified lastMod = new LastModified(new DateTime(kEvent.getLastModified()));
        vEvent.getProperties().add(lastMod);
    }
    // Uid
    PropertyList vEventProperties = vEvent.getProperties();
    vEventProperties.add(new Uid(kEvent.getID()));
    // clazz
    switch(kEvent.getClassification()) {
        case KalendarEvent.CLASS_PRIVATE:
            vEventProperties.add(ICAL_CLASS_PRIVATE);
            break;
        case KalendarEvent.CLASS_PUBLIC:
            vEventProperties.add(ICAL_CLASS_PUBLIC);
            break;
        case KalendarEvent.CLASS_X_FREEBUSY:
            vEventProperties.add(ICAL_CLASS_X_FREEBUSY);
            break;
        default:
            vEventProperties.add(ICAL_CLASS_PRIVATE);
            break;
    }
    // location
    if (kEvent.getLocation() != null) {
        vEventProperties.add(new Location(kEvent.getLocation()));
    }
    if (kEvent.getDescription() != null) {
        vEventProperties.add(new Description(kEvent.getDescription()));
    }
    // event links
    Url urlOnce = null;
    List<KalendarEventLink> kalendarEventLinks = kEvent.getKalendarEventLinks();
    if ((kalendarEventLinks != null) && !kalendarEventLinks.isEmpty()) {
        for (Iterator<KalendarEventLink> iter = kalendarEventLinks.iterator(); iter.hasNext(); ) {
            KalendarEventLink link = iter.next();
            StringBuilder linkEncoded = new StringBuilder(200);
            linkEncoded.append(link.getProvider());
            linkEncoded.append("§");
            linkEncoded.append(link.getId());
            linkEncoded.append("§");
            linkEncoded.append(link.getDisplayName());
            linkEncoded.append("§");
            linkEncoded.append(link.getURI());
            linkEncoded.append("§");
            linkEncoded.append(link.getIconCssClass());
            XProperty linkProperty = new XProperty(ICAL_X_OLAT_LINK, linkEncoded.toString());
            vEventProperties.add(linkProperty);
            if (urlOnce == null) {
                try {
                    Url url = new Url();
                    url.setValue(link.getURI());
                    urlOnce = url;
                } catch (URISyntaxException e) {
                    log.error("Invalid URL:" + link.getURI());
                }
            }
        }
    }
    if (urlOnce != null) {
        vEventProperties.add(urlOnce);
    }
    if (kEvent.getComment() != null) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_COMMENT, kEvent.getComment()));
    }
    if (kEvent.getNumParticipants() != null) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_NUMPARTICIPANTS, Integer.toString(kEvent.getNumParticipants())));
    }
    if (kEvent.getParticipants() != null) {
        StringBuilder strBuf = new StringBuilder();
        String[] participants = kEvent.getParticipants();
        for (String participant : participants) {
            strBuf.append(participant);
            strBuf.append("§");
        }
        vEventProperties.add(new XProperty(ICAL_X_OLAT_PARTICIPANTS, strBuf.toString()));
    }
    if (kEvent.getSourceNodeId() != null) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_SOURCENODEID, kEvent.getSourceNodeId()));
    }
    if (kEvent.getManagedFlags() != null) {
        String val = CalendarManagedFlag.toString(kEvent.getManagedFlags());
        vEventProperties.add(new XProperty(ICAL_X_OLAT_MANAGED, val));
    }
    if (StringHelper.containsNonWhitespace(kEvent.getExternalId())) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_EXTERNAL_ID, kEvent.getExternalId()));
    }
    if (StringHelper.containsNonWhitespace(kEvent.getExternalSource())) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_EXTERNAL_SOURCE, kEvent.getExternalSource()));
    }
    String recurenceId = kEvent.getRecurrenceID();
    if (StringHelper.containsNonWhitespace(recurenceId)) {
        try {
            RecurrenceId recurId = new RecurrenceId(tz);
            // VALUE=DATE recurrence id need to be specially saved
            if (recurenceId.length() < 9) {
                recurId = new RecurrenceId(tz);
                recurId.setDate(CalendarUtils.createDate(new net.fortuna.ical4j.model.Date(recurenceId)));
            } else {
                recurId = new RecurrenceId(recurenceId, tz);
            }
            vEventProperties.add(recurId);
        } catch (ParseException e) {
            log.error("cannot create recurrence ID: " + recurenceId, e);
        }
    }
    // recurrence
    String recurrence = kEvent.getRecurrenceRule();
    if (recurrence != null && !recurrence.equals("")) {
        try {
            Recur recur = new Recur(recurrence);
            RRule rrule = new RRule(recur);
            vEventProperties.add(rrule);
        } catch (ParseException e) {
            log.error("cannot create recurrence rule: " + recurrence.toString(), e);
        }
    }
    // recurrence exclusions
    String recurrenceExc = kEvent.getRecurrenceExc();
    if (recurrenceExc != null && !recurrenceExc.equals("")) {
        ExDate exdate = new ExDate();
        try {
            exdate.setValue(recurrenceExc);
            vEventProperties.add(exdate);
        } catch (ParseException e) {
            log.error("", e);
        }
    }
    return vEvent;
}

Example 19 with PropertyList

use of net.fortuna.ical4j.model.PropertyList in project OpenOLAT by OpenOLAT.

the class ICalFileCalendarManager method getVEvent.

private VEvent getVEvent(KalendarEvent kEvent) {
    VEvent vEvent = new VEvent();
    if (!kEvent.isAllDayEvent()) {
        // regular VEvent
        DateTime dtBegin = new DateTime(kEvent.getBegin());
        if (tz != null) {
            dtBegin.setTimeZone(tz);
        }
        Date kEventEnd = kEvent.getEnd();
        if (kEventEnd == null) {
            vEvent = new VEvent(dtBegin, kEvent.getSubject());
        } else {
            DateTime dtEnd = new DateTime(kEventEnd);
            if (tz != null) {
                dtEnd.setTimeZone(tz);
            }
            vEvent = new VEvent(dtBegin, dtEnd, kEvent.getSubject());
        }
    } else {
        // AllDay VEvent
        net.fortuna.ical4j.model.Date dtBegin = CalendarUtils.createDate(kEvent.getBegin());
        // adjust end date: ICal end dates for all day events are on the next day
        Date adjustedEndDate = new Date(kEvent.getEnd().getTime() + (1000 * 60 * 60 * 24));
        net.fortuna.ical4j.model.Date dtEnd = CalendarUtils.createDate(adjustedEndDate);
        vEvent = new VEvent(dtBegin, dtEnd, kEvent.getSubject());
    }
    if (kEvent.getCreated() > 0) {
        Created created = new Created(new DateTime(kEvent.getCreated()));
        vEvent.getProperties().add(created);
    }
    if ((kEvent.getCreatedBy() != null) && !kEvent.getCreatedBy().trim().isEmpty()) {
        Contact contact = new Contact();
        contact.setValue(kEvent.getCreatedBy());
        vEvent.getProperties().add(contact);
    }
    if (kEvent.getLastModified() > 0) {
        LastModified lastMod = new LastModified(new DateTime(kEvent.getLastModified()));
        vEvent.getProperties().add(lastMod);
    }
    // Uid
    PropertyList vEventProperties = vEvent.getProperties();
    vEventProperties.add(new Uid(kEvent.getID()));
    // clazz
    switch(kEvent.getClassification()) {
        case KalendarEvent.CLASS_PRIVATE:
            vEventProperties.add(ICAL_CLASS_PRIVATE);
            break;
        case KalendarEvent.CLASS_PUBLIC:
            vEventProperties.add(ICAL_CLASS_PUBLIC);
            break;
        case KalendarEvent.CLASS_X_FREEBUSY:
            vEventProperties.add(ICAL_CLASS_X_FREEBUSY);
            break;
        default:
            vEventProperties.add(ICAL_CLASS_PRIVATE);
            break;
    }
    // location
    if (kEvent.getLocation() != null) {
        vEventProperties.add(new Location(kEvent.getLocation()));
    }
    if (kEvent.getDescription() != null) {
        vEventProperties.add(new Description(kEvent.getDescription()));
    }
    // event links
    Url urlOnce = null;
    List<KalendarEventLink> kalendarEventLinks = kEvent.getKalendarEventLinks();
    if ((kalendarEventLinks != null) && !kalendarEventLinks.isEmpty()) {
        for (Iterator<KalendarEventLink> iter = kalendarEventLinks.iterator(); iter.hasNext(); ) {
            KalendarEventLink link = iter.next();
            StringBuilder linkEncoded = new StringBuilder(200);
            linkEncoded.append(link.getProvider());
            linkEncoded.append("§");
            linkEncoded.append(link.getId());
            linkEncoded.append("§");
            linkEncoded.append(link.getDisplayName());
            linkEncoded.append("§");
            linkEncoded.append(link.getURI());
            linkEncoded.append("§");
            linkEncoded.append(link.getIconCssClass());
            XProperty linkProperty = new XProperty(ICAL_X_OLAT_LINK, linkEncoded.toString());
            vEventProperties.add(linkProperty);
            if (urlOnce == null) {
                try {
                    Url url = new Url();
                    url.setValue(link.getURI());
                    urlOnce = url;
                } catch (URISyntaxException e) {
                    log.error("Invalid URL:" + link.getURI());
                }
            }
        }
    }
    if (urlOnce != null) {
        vEventProperties.add(urlOnce);
    }
    if (kEvent.getComment() != null) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_COMMENT, kEvent.getComment()));
    }
    if (kEvent.getNumParticipants() != null) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_NUMPARTICIPANTS, Integer.toString(kEvent.getNumParticipants())));
    }
    if (kEvent.getParticipants() != null) {
        StringBuilder strBuf = new StringBuilder();
        String[] participants = kEvent.getParticipants();
        for (String participant : participants) {
            strBuf.append(participant);
            strBuf.append("§");
        }
        vEventProperties.add(new XProperty(ICAL_X_OLAT_PARTICIPANTS, strBuf.toString()));
    }
    if (kEvent.getSourceNodeId() != null) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_SOURCENODEID, kEvent.getSourceNodeId()));
    }
    if (kEvent.getManagedFlags() != null) {
        String val = CalendarManagedFlag.toString(kEvent.getManagedFlags());
        vEventProperties.add(new XProperty(ICAL_X_OLAT_MANAGED, val));
    }
    if (StringHelper.containsNonWhitespace(kEvent.getExternalId())) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_EXTERNAL_ID, kEvent.getExternalId()));
    }
    if (StringHelper.containsNonWhitespace(kEvent.getExternalSource())) {
        vEventProperties.add(new XProperty(ICAL_X_OLAT_EXTERNAL_SOURCE, kEvent.getExternalSource()));
    }
    String recurenceId = kEvent.getRecurrenceID();
    if (StringHelper.containsNonWhitespace(recurenceId)) {
        try {
            RecurrenceId recurId = new RecurrenceId(tz);
            // VALUE=DATE recurrence id need to be specially saved
            if (recurenceId.length() < 9) {
                recurId = new RecurrenceId(tz);
                recurId.setDate(CalendarUtils.createDate(new net.fortuna.ical4j.model.Date(recurenceId)));
            } else {
                recurId = new RecurrenceId(recurenceId, tz);
            }
            vEventProperties.add(recurId);
        } catch (ParseException e) {
            log.error("cannot create recurrence ID: " + recurenceId, e);
        }
    }
    // recurrence
    String recurrence = kEvent.getRecurrenceRule();
    if (recurrence != null && !recurrence.equals("")) {
        try {
            Recur recur = new Recur(recurrence);
            RRule rrule = new RRule(recur);
            vEventProperties.add(rrule);
        } catch (ParseException e) {
            log.error("cannot create recurrence rule: " + recurrence.toString(), e);
        }
    }
    // recurrence exclusions
    String recurrenceExc = kEvent.getRecurrenceExc();
    if (recurrenceExc != null && !recurrenceExc.equals("")) {
        ExDate exdate = new ExDate();
        try {
            exdate.setValue(recurrenceExc);
            vEventProperties.add(exdate);
        } catch (ParseException e) {
            log.error("", e);
        }
    }
    return vEvent;
}

Example 20 with PropertyList

use of net.fortuna.ical4j.model.PropertyList in project OpenOLAT by OpenOLAT.

the class ICalFileCalendarManager method getKalendarEvent.

/**
 * Build a KalendarEvent out of a source VEvent.
 * @param event
 * @return
 */
private KalendarEvent getKalendarEvent(VEvent event) {
    // subject
    Summary eventsummary = event.getSummary();
    String subject = "";
    if (eventsummary != null)
        subject = eventsummary.getValue();
    // start
    DtStart dtStart = event.getStartDate();
    Date start = dtStart.getDate();
    Duration dur = event.getDuration();
    // end
    Date end = null;
    if (dur != null) {
        end = dur.getDuration().getTime(start);
    } else if (event.getEndDate() != null) {
        end = event.getEndDate().getDate();
    }
    // check all day event first
    boolean isAllDay = false;
    Parameter dateParameter = event.getProperties().getProperty(Property.DTSTART).getParameters().getParameter(Value.DATE.getName());
    if (dateParameter != null) {
        isAllDay = true;
        // Make sure the time of the dates are 00:00 localtime because DATE fields in iCal are GMT 00:00
        // Note that start date and end date can have different offset because of daylight saving switch
        java.util.TimeZone timezone = java.util.GregorianCalendar.getInstance().getTimeZone();
        start = new Date(start.getTime() - timezone.getOffset(start.getTime()));
        end = new Date(end.getTime() - timezone.getOffset(end.getTime()));
        // adjust end date: ICal sets end dates to the next day
        end = new Date(end.getTime() - (1000 * 60 * 60 * 24));
    } else if (start != null && end != null && (end.getTime() - start.getTime()) == (24 * 60 * 60 * 1000)) {
        // check that start has no hour, no minute and no second
        java.util.Calendar cal = java.util.Calendar.getInstance();
        cal.setTime(start);
        isAllDay = cal.get(java.util.Calendar.HOUR_OF_DAY) == 0 && cal.get(java.util.Calendar.MINUTE) == 0 && cal.get(java.util.Calendar.SECOND) == 0 && cal.get(java.util.Calendar.MILLISECOND) == 0;
        // adjust end date: ICal sets end dates to the next day
        end = new Date(end.getTime() - (1000 * 60 * 60 * 24));
    }
    Uid eventuid = event.getUid();
    String uid;
    if (eventuid != null) {
        uid = eventuid.getValue();
    } else {
        uid = CodeHelper.getGlobalForeverUniqueID();
    }
    RecurrenceId eventRecurenceId = event.getRecurrenceId();
    String recurrenceId = null;
    if (eventRecurenceId != null) {
        recurrenceId = eventRecurenceId.getValue();
    }
    KalendarEvent calEvent = new KalendarEvent(uid, recurrenceId, subject, start, end);
    calEvent.setAllDayEvent(isAllDay);
    // classification
    Clazz classification = event.getClassification();
    if (classification != null) {
        String sClass = classification.getValue();
        int iClassification = KalendarEvent.CLASS_PRIVATE;
        if (sClass.equals(ICAL_CLASS_PRIVATE.getValue()))
            iClassification = KalendarEvent.CLASS_PRIVATE;
        else if (sClass.equals(ICAL_CLASS_X_FREEBUSY.getValue()))
            iClassification = KalendarEvent.CLASS_X_FREEBUSY;
        else if (sClass.equals(ICAL_CLASS_PUBLIC.getValue()))
            iClassification = KalendarEvent.CLASS_PUBLIC;
        calEvent.setClassification(iClassification);
    }
    // created/last modified
    Created created = event.getCreated();
    if (created != null) {
        calEvent.setCreated(created.getDate().getTime());
    }
    // created/last modified
    Contact contact = (Contact) event.getProperty(Property.CONTACT);
    if (contact != null) {
        calEvent.setCreatedBy(contact.getValue());
    }
    LastModified lastModified = event.getLastModified();
    if (lastModified != null) {
        calEvent.setLastModified(lastModified.getDate().getTime());
    }
    Description description = event.getDescription();
    if (description != null) {
        calEvent.setDescription(description.getValue());
    }
    // location
    Location location = event.getLocation();
    if (location != null) {
        calEvent.setLocation(location.getValue());
    }
    // links if any
    PropertyList linkProperties = event.getProperties(ICAL_X_OLAT_LINK);
    List<KalendarEventLink> kalendarEventLinks = new ArrayList<KalendarEventLink>();
    for (Iterator<?> iter = linkProperties.iterator(); iter.hasNext(); ) {
        XProperty linkProperty = (XProperty) iter.next();
        if (linkProperty != null) {
            String encodedLink = linkProperty.getValue();
            StringTokenizer st = new StringTokenizer(encodedLink, "§", false);
            if (st.countTokens() >= 4) {
                String provider = st.nextToken();
                String id = st.nextToken();
                String displayName = st.nextToken();
                String uri = st.nextToken();
                String iconCss = "";
                // migration: iconCss has been added later, check if available first
                if (st.hasMoreElements()) {
                    iconCss = st.nextToken();
                }
                KalendarEventLink eventLink = new KalendarEventLink(provider, id, displayName, uri, iconCss);
                kalendarEventLinks.add(eventLink);
            }
        }
    }
    calEvent.setKalendarEventLinks(kalendarEventLinks);
    Property comment = event.getProperty(ICAL_X_OLAT_COMMENT);
    if (comment != null)
        calEvent.setComment(comment.getValue());
    Property numParticipants = event.getProperty(ICAL_X_OLAT_NUMPARTICIPANTS);
    if (numParticipants != null)
        calEvent.setNumParticipants(Integer.parseInt(numParticipants.getValue()));
    Property participants = event.getProperty(ICAL_X_OLAT_PARTICIPANTS);
    if (participants != null) {
        StringTokenizer strTok = new StringTokenizer(participants.getValue(), "§", false);
        String[] parts = new String[strTok.countTokens()];
        for (int i = 0; strTok.hasMoreTokens(); i++) {
            parts[i] = strTok.nextToken();
        }
        calEvent.setParticipants(parts);
    }
    Property sourceNodId = event.getProperty(ICAL_X_OLAT_SOURCENODEID);
    if (sourceNodId != null) {
        calEvent.setSourceNodeId(sourceNodId.getValue());
    }
    // managed properties
    Property managed = event.getProperty(ICAL_X_OLAT_MANAGED);
    if (managed != null) {
        String value = managed.getValue();
        if ("true".equals(value)) {
            value = "all";
        }
        CalendarManagedFlag[] values = CalendarManagedFlag.toEnum(value);
        calEvent.setManagedFlags(values);
    }
    Property externalId = event.getProperty(ICAL_X_OLAT_EXTERNAL_ID);
    if (externalId != null) {
        calEvent.setExternalId(externalId.getValue());
    }
    Property externalSource = event.getProperty(ICAL_X_OLAT_EXTERNAL_SOURCE);
    if (externalSource != null) {
        calEvent.setExternalSource(externalSource.getValue());
    }
    // recurrence
    if (event.getProperty(ICAL_RRULE) != null) {
        calEvent.setRecurrenceRule(event.getProperty(ICAL_RRULE).getValue());
    }
    // recurrence exclusions
    if (event.getProperty(ICAL_EXDATE) != null) {
        calEvent.setRecurrenceExc(event.getProperty(ICAL_EXDATE).getValue());
    }
    return calEvent;
}