Examples with DtStart net.fortuna.ical4j.model.property.DtStart used on opensource projects

Example 16 with DtStart

use of net.fortuna.ical4j.model.property.DtStart in project bw-calendar-engine by Bedework.

the class RecurUtil method getRange.

/**
 * Returns range of dates for this recurring event possibly bounded by
 * the supplied maximum end date.
 *
 * @param ev        the recurring event
 * @param maxYears  Provide an upper limit
 * @return the range for this event
 * @throws CalFacadeException
 */
@SuppressWarnings("unchecked")
public static RecurRange getRange(final BwEvent ev, final int maxYears) throws CalFacadeException {
    PropertyList evprops = new PropertyList();
    VEventUtil.doRecurring(ev, evprops);
    RecurRange rr = new RecurRange();
    DtStart start = ev.getDtstart().makeDtStart();
    DtEnd end = ev.getDtend().makeDtEnd();
    Duration duration = new Duration(null, ev.getDuration());
    // boolean durSpecified = ev.getEndType() == BwEvent.endTypeDuration;
    rr.rangeStart = start.getDate();
    for (Object o : evprops) {
        if (o instanceof RDate) {
            RDate rd = (RDate) o;
            for (Object o1 : rd.getDates()) {
                Date d = (Date) o1;
                if (d.before(rr.rangeStart)) {
                    rr.rangeStart = d;
                }
            }
        }
    }
    /* Limit date according to system settings
     */
    Dur dur = new Dur(maxYears * 365, 0, 0, 0);
    Date maxRangeEnd = new Date(dur.getTime(rr.rangeStart));
    if (ev.getParent() != null) {
        BwDateTime pend = ev.getParent().getDtend();
        if (pend != null) {
            Date dt = pend.makeDate();
            if (dt.before(maxRangeEnd)) {
                maxRangeEnd = dt;
            }
        }
    }
    rr.rangeEnd = getLatestRecurrenceDate(evprops, start, end, duration, maxRangeEnd);
    if ((rr.rangeEnd == null) || (rr.rangeEnd.after(maxRangeEnd))) {
        rr.rangeEnd = maxRangeEnd;
    }
    return rr;
}

Example 17 with DtStart

use of net.fortuna.ical4j.model.property.DtStart in project bw-calendar-engine by Bedework.

the class RecurUtil method getPeriods.

/**
 * Returns a list of instances for this recurring event possibly bounded by
 * the supplied maximum end date.
 *
 * <p>This is mostly a copy of VEvent.getConsumedTime()
 *
 * @param ev        the recurring event
 * @param maxYears  Provide an upper limit
 * @param maxInstances to limit
 * @param startRange null or set earliest
 * @param endRange null or set latest
 * @return a list of periods for this event
 * @throws CalFacadeException on error
 */
public static RecurPeriods getPeriods(final BwEvent ev, final int maxYears, final int maxInstances, final String startRange, final String endRange) throws CalFacadeException {
    final PropertyList evprops = new PropertyList();
    VEventUtil.doRecurring(ev, evprops);
    final RecurPeriods rp = new RecurPeriods();
    // DtStart vstart = (DtStart)IcalUtil.getProperty(comp, Property.DTSTART);
    /* BwDateTime evstart = ev.getDtstart();
    String tzid = evstart.getTzid();

    DtStart start = new DtStart();

    if (tzid != null) {
      start.setTimeZone(timezones.getTimeZone(tzid));
    }

    try {
      start.setValue(evstart.getDtval());
    } catch (Throwable t) {
      throw new CalFacadeException(t);
    }*/
    final DtStart start = ev.getDtstart().makeDtStart();
    if (startRange != null) {
        try {
            rp.rangeStart = new DateTime(startRange);
        } catch (final Throwable t) {
            throw new CalFacadeException(t);
        }
    } else {
        // boolean durSpecified = ev.getEndType() == BwEvent.endTypeDuration;
        rp.rangeStart = start.getDate();
        for (final Object o : evprops) {
            if (o instanceof RDate) {
                final RDate rd = (RDate) o;
                for (final Object o1 : rd.getDates()) {
                    final Date d = (Date) o1;
                    if (d.before(rp.rangeStart)) {
                        rp.rangeStart = d;
                    }
                }
            }
        }
    }
    /* Limit date according to system settings
     */
    final Dur dur = new Dur(maxYears * 365, 0, 0, 0);
    Date maxRangeEnd = new Date(dur.getTime(rp.rangeStart));
    if (ev.getParent() != null) {
        final BwDateTime pend = ev.getParent().getDtend();
        if (pend != null) {
            final Date dt = pend.makeDate();
            if (dt.before(maxRangeEnd)) {
                maxRangeEnd = dt;
            }
        }
    }
    final DtEnd end = ev.getDtend().makeDtEnd();
    if (endRange != null) {
        try {
            rp.rangeEnd = new DateTime(endRange);
        } catch (final Throwable t) {
            throw new CalFacadeException(t);
        }
    } else {
        final Duration duration = new Duration(null, ev.getDuration());
        rp.rangeEnd = getLatestRecurrenceDate(evprops, start, end, duration, maxRangeEnd);
        if ((rp.rangeEnd == null) || (rp.rangeEnd.after(maxRangeEnd))) {
            rp.rangeEnd = maxRangeEnd;
        }
    }
    Period rangePeriod = new Period(new DateTime(rp.rangeStart), new DateTime(rp.rangeEnd));
    VEvent vev = new VEvent();
    PropertyList vevprops = vev.getProperties();
    vevprops.addAll(evprops);
    if (!ev.getSuppressed()) {
        // Allow inclusion of master start/end
        vevprops.add(start);
        vevprops.add(end);
    } else {
        // Move start/end outside of our period
        Dur evdur = new Dur(ev.getDuration());
        // Ensure at least a day
        Dur setback = evdur.add(new Dur(1, 0, 0, 0));
        boolean dateOnly = ev.getDtstart().getDateType();
        Date adjustedEnd;
        if (dateOnly) {
            adjustedEnd = new Date(rp.rangeStart);
        } else {
            adjustedEnd = new DateTime(rp.rangeStart);
        }
        adjustedEnd.setTime(setback.negate().getTime(rp.rangeStart).getTime());
        vevprops.add(new DtEnd(adjustedEnd));
        // End now before range - make start evdur before that
        Date adjustedStart;
        if (dateOnly) {
            adjustedStart = new Date(adjustedEnd);
        } else {
            adjustedStart = new DateTime(adjustedEnd);
        }
        adjustedStart.setTime(evdur.negate().getTime(adjustedEnd).getTime());
        vevprops.add(new DtStart(adjustedStart));
    }
    PeriodList pl = vev.calculateRecurrenceSet(rangePeriod);
    /*
    PeriodList periods = new PeriodList();
    if (ev.getDtstart().isUTC()) {
      periods.setUtc(true);
    } else if (start.getDate() instanceof DateTime) {
      periods.setTimeZone(((DateTime)start.getDate()).getTimeZone());
    } else {
      try {
        periods.setTimeZone(Timezones.getDefaultTz());
      } catch (Throwable t) {
        throw new CalFacadeException(t);
      }
    }
    rp.instances = periods;

    // if no start date return empty list..
    if (start == null) {
      return rp;
    }
    // if an explicit event duration is not specified, derive a value for recurring
    // periods from the end date..
    Dur rDuration;
    Dur adjustDuration;
    if (duration == null) {
      if (end == null) {
        rDuration = new Dur(0);
        adjustDuration = new Dur(0, 0, 0, 1); // 1 second fudge
      } else {
        rDuration = new Dur(start.getDate(), end.getDate());
        adjustDuration = rDuration;
      }
    } else {
      rDuration = duration.getDuration();
      adjustDuration = rDuration;
    }
    // adjust range start back by duration to allow for recurrences that
    // start before the range but finish inside..
//  FIXME: See bug #1325558..
    Date adjustedRangeStart = new DateTime(rp.rangeStart);
    adjustedRangeStart.setTime(adjustDuration.negate().getTime(rp.rangeStart).getTime());

    // recurrence dates..
    PropertyList rDates = evprops.getProperties(Property.RDATE);
    for (Iterator i = rDates.iterator(); i.hasNext();) {
      RDate rdate = (RDate) i.next();

      if (Value.PERIOD.equals(rdate.getParameter(Parameter.VALUE))) {
        /* These fully define the period * /
        for (Iterator j = rdate.getPeriods().iterator(); j.hasNext();) {
          Period period = (Period) j.next();
          if (period.getStart().before(rp.rangeEnd) &&
              period.getEnd().after(rp.rangeStart)) {
            periods.add(period);
          }
        }
      } else {
        // Create a period based on rdate and duration
        DateList startDates = rdate.getDates();
        for (int j = 0; j < startDates.size(); j++) {
          Date startDate = (Date) startDates.get(j);
          periods.add(new Period(new DateTime(startDate), rDuration));
        }
      }
    }

    Value startVal = (Value)start.getParameter(Parameter.VALUE);
    if (startVal == null) {
      startVal = Value.DATE_TIME;
    }

    // recurrence rules..
    PropertyList rRules = evprops.getProperties(Property.RRULE);
    for (Iterator i = rRules.iterator(); i.hasNext();) {
      RRule rrule = (RRule) i.next();
      Recur recur = rrule.getRecur();

      // Limit nummber of instances.

      DateList startDates = recur.getDates(start.getDate(),
                                           adjustedRangeStart,
                                           rp.rangeEnd,
                                           startVal,
                                           maxInstances);
//    DateList startDates = rrule.getRecur().getDates(start.getDate(), rangeStart, rangeEnd, (Value) start.getParameters().getParameter(Parameter.VALUE));
      for (int j = 0; j < startDates.size(); j++) {
        Date startDate = (Date) startDates.get(j);
        periods.add(new Period(new DateTime(startDate), rDuration));
      }
    }

    // add initial instance if intersection with the specified period.

    if (!ev.getSuppressed()) {
      Period startPeriod = null;
      if (!durSpecified) {
        startPeriod = new Period(new DateTime(start.getDate()),
                                 new DateTime(end.getDate()));
      } else {
        startPeriod = new Period(new DateTime(start.getDate()),
                                 duration.getDuration());
      }
      if (rangePeriod.intersects(startPeriod)) {
          periods.add(startPeriod);
      }
    }

    // exception dates..
    PropertyList exDates = evprops.getProperties(Property.EXDATE);
    for (Iterator i = exDates.iterator(); i.hasNext();) {
      ExDate exDate = (ExDate) i.next();
      for (Iterator j = periods.iterator(); j.hasNext();) {
        Period period = (Period) j.next();
        DateList dl = exDate.getDates();
        // for DATE-TIME instances check for DATE-based exclusions also..
        if (dl.contains(period.getStart())) {
          j.remove();
        } else if (dl.contains(new Date(period.getStart()))) {
          j.remove();
        }
      }
    }
    // exception rules..
    // FIXME: exception rules should be consistent with exception dates (i.e. not use periods?)..
    PropertyList exRules = evprops.getProperties(Property.EXRULE);
    PeriodList exPeriods = new PeriodList();
    for (Iterator i = exRules.iterator(); i.hasNext();) {
      ExRule exrule = (ExRule) i.next();
//    DateList startDates = exrule.getRecur().getDates(start.getDate(), adjustedRangeStart, rangeEnd, (Value) start.getParameters().getParameter(Parameter.VALUE));
      DateList startDates = exrule.getRecur().getDates(start.getDate(),
                                                       rp.rangeStart,
                                                       rp.rangeEnd,
                                                       startVal);
      for (Iterator j = startDates.iterator(); j.hasNext();) {
        Date startDate = (Date) j.next();
        exPeriods.add(new Period(new DateTime(startDate), rDuration));
      }
    }
    // apply exceptions..
    if (!exPeriods.isEmpty()) {
      periods = periods.subtract(exPeriods);
    }
    // if periods already specified through recurrence, return..
    // ..also normalise before returning.
//    if (!periods.isEmpty()) {
//      periods = periods.normalise();
//    }
 *
 */
    if (pl.size() <= maxInstances) {
        rp.instances = pl;
    } else {
        rp.instances = new TreeSet<Period>();
        for (Object o : pl) {
            rp.instances.add((Period) o);
            if (rp.instances.size() == maxInstances) {
                break;
            }
        }
    }
    return rp;
}

Example 18 with DtStart

use of net.fortuna.ical4j.model.property.DtStart in project bw-calendar-engine by Bedework.

the class VEventUtil method makeDlp.

private static void makeDlp(final BwEvent val, final boolean exdt, final Collection<BwDateTime> dts, final PropertyList pl) throws Throwable {
    if ((dts == null) || (dts.isEmpty())) {
        return;
    }
    TimeZone tz = null;
    if (!val.getForceUTC()) {
        BwDateTime dtstart = val.getDtstart();
        if ((dtstart != null) && !dtstart.isUTC()) {
            DtStart ds = dtstart.makeDtStart();
            tz = ds.getTimeZone();
        }
    }
    /* Generate as one date per property - matches up to other vendors better */
    for (BwDateTime dt : dts) {
        DateList dl = null;
        /* Always use the UTC values */
        boolean dateType = false;
        if (dt.getDateType()) {
            dl = new DateList(Value.DATE);
            dl.setUtc(true);
            dateType = true;
            dl.add(new Date(dt.getDtval()));
        } else {
            dl = new DateList(Value.DATE_TIME);
            if (tz == null) {
                dl.setUtc(true);
                DateTime dtm = new DateTime(dt.getDate());
                dtm.setUtc(true);
                dl.add(dtm);
            } else {
                dl.setTimeZone(tz);
                DateTime dtm = new DateTime(dt.getDate());
                dtm.setTimeZone(tz);
                dl.add(dtm);
            }
        }
        DateListProperty dlp;
        if (exdt) {
            dlp = new ExDate(dl);
        } else {
            dlp = new RDate(dl);
        }
        if (tz != null) {
            dlp.setTimeZone(tz);
        }
        if (dateType) {
            dlp.getParameters().add(Value.DATE);
        }
        pl.add(dlp);
    }
}

Example 19 with DtStart

use of net.fortuna.ical4j.model.property.DtStart in project bw-calendar-engine by Bedework.

the class VEventUtil method makeZonedDt.

private static Date makeZonedDt(final BwEvent val, final String dtval) throws Throwable {
    BwDateTime dtstart = val.getDtstart();
    Date dt = new DateTime(dtval);
    if (dtstart.getDateType()) {
        // RECUR - fix all day recurrences sometime
        if (dtval.length() > 8) {
            // Try to fix up bad all day recurrence ids. - assume a local timezone
            ((DateTime) dt).setTimeZone(null);
            return new Date(dt.toString().substring(0, 8));
        }
        return dt;
    }
    if (val.getForceUTC()) {
        return dt;
    }
    if ((dtstart != null) && !dtstart.isUTC()) {
        DtStart ds = dtstart.makeDtStart();
        ((DateTime) dt).setTimeZone(ds.getTimeZone());
    }
    return dt;
}

Example 20 with DtStart

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

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;
}