Examples with CalendarBuilder net.fortuna.ical4j.data.CalendarBuilder used on opensource projects

Example 26 with CalendarBuilder

use of net.fortuna.ical4j.data.CalendarBuilder in project openolat by klemens.

the class ICalFileCalendarManager method buildKalendarFrom.

@Override
public Kalendar buildKalendarFrom(InputStream in, String calType, String calId) {
    Kalendar kalendar = null;
    try (BufferedReader reader = new BufferedReader(new InputStreamReader(in))) {
        CalendarBuilder builder = new CalendarBuilder();
        Calendar calendar = builder.build(reader);
        kalendar = createKalendar(calType, calId, calendar);
    } catch (Exception e) {
        throw new OLATRuntimeException("Error parsing calendar file.", e);
    }
    return kalendar;
}

Example 27 with CalendarBuilder

use of net.fortuna.ical4j.data.CalendarBuilder in project openolat by klemens.

the class ICalFileCalendarManager method synchronizeCalendarFrom.

@Override
public boolean synchronizeCalendarFrom(InputStream in, String source, Kalendar targetCalendar) {
    try (BufferedReader reader = new BufferedReader(new InputStreamReader(in))) {
        Calendar inCalendar = new CalendarBuilder().build(reader);
        Kalendar inTmpKalendar = createKalendar("TEMP", UUID.randomUUID().toString(), inCalendar);
        String targetId = "-" + targetCalendar.getType() + "-" + targetCalendar.getCalendarID() + "-";
        OLATResourceable calOres = getOresHelperFor(targetCalendar);
        Boolean updatedSuccessful = CoordinatorManager.getInstance().getCoordinator().getSyncer().doInSync(calOres, new SyncerCallback<Boolean>() {

            @Override
            public Boolean execute() {
                // remove event in target calendar which doesn't exist in stream
                Collection<KalendarEvent> currentEvents = targetCalendar.getEvents();
                for (KalendarEvent currentEvent : currentEvents) {
                    if (currentEvent.getExternalSource() != null && source.equals(currentEvent.getExternalSource())) {
                        String eventId = currentEvent.getID();
                        String recurrenceId = currentEvent.getRecurrenceID();
                        if (inTmpKalendar.getEvent(eventId, recurrenceId) == null) {
                            targetCalendar.removeEvent(currentEvent);
                        } else if (eventId.contains(targetId)) {
                            // don't import myself;
                            targetCalendar.removeEvent(currentEvent);
                        }
                    }
                }
                Collection<KalendarEvent> inEvents = inTmpKalendar.getEvents();
                for (KalendarEvent inEvent : inEvents) {
                    if (inEvent.getID().contains(targetId)) {
                        continue;
                    }
                    inEvent.setManagedFlags(new CalendarManagedFlag[] { CalendarManagedFlag.all });
                    inEvent.setExternalSource(source);
                    KalendarEvent currentEvent = targetCalendar.getEvent(inEvent.getID(), inEvent.getRecurrenceID());
                    if (currentEvent == null) {
                        targetCalendar.addEvent(inEvent);
                    } else {
                        // need perhaps more refined synchronization per event
                        targetCalendar.addEvent(inEvent);
                    }
                }
                boolean successfullyPersist = persistCalendar(targetCalendar);
                // inform all controller about calendar change for reload
                CoordinatorManager.getInstance().getCoordinator().getEventBus().fireEventToListenersOf(new CalendarGUIModifiedEvent(targetCalendar), OresHelper.lookupType(CalendarManager.class));
                return new Boolean(successfullyPersist);
            }
        });
        return updatedSuccessful.booleanValue();
    } catch (Exception e) {
        log.error("", e);
        return false;
    }
}

Example 28 with CalendarBuilder

use of net.fortuna.ical4j.data.CalendarBuilder in project openolat by klemens.

the class ICalServlet method getOutlookVTimeZone.

/**
 * Load the VTimeZone for Outlook. ical4j use a static map to reuse the TimeZone objects, we need to load
 * and save our specialized TimeZone in a separate map.
 */
private VTimeZone getOutlookVTimeZone(final String id) throws IOException, ParserException {
    return outlookVTimeZones.computeIfAbsent(id, (timeZoneId) -> {
        try {
            URL resource = ResourceLoader.getResource("zoneinfo-outlook/" + id + ".ics");
            CalendarBuilder builder = new CalendarBuilder();
            Calendar calendar = builder.build(resource.openStream());
            VTimeZone vTimeZone = (VTimeZone) calendar.getComponent(Component.VTIMEZONE);
            return vTimeZone;
        } catch (Exception e) {
            log.error("", e);
            return null;
        }
    });
}