@Override
  public void populate(Resource resource) throws LocalStorageException {
    Event e = (Event) resource;

    try {
      @Cleanup
      Cursor cursor =
          providerClient.query(
              ContentUris.withAppendedId(entriesURI(), e.getLocalID()),
              new String[] {
                /*  0 */ Events.TITLE,
                Events.EVENT_LOCATION,
                Events.DESCRIPTION,
                /*  3 */ Events.DTSTART,
                Events.DTEND,
                Events.EVENT_TIMEZONE,
                Events.EVENT_END_TIMEZONE,
                Events.ALL_DAY,
                /*  8 */ Events.STATUS,
                Events.ACCESS_LEVEL,
                /* 10 */ Events.RRULE,
                Events.RDATE,
                Events.EXRULE,
                Events.EXDATE,
                /* 14 */ Events.HAS_ATTENDEE_DATA,
                Events.ORGANIZER,
                Events.SELF_ATTENDEE_STATUS,
                /* 17 */ entryColumnUID(),
                Events.DURATION,
                Events.AVAILABILITY
              },
              null,
              null,
              null);
      if (cursor != null && cursor.moveToNext()) {
        e.setUid(cursor.getString(17));

        e.setSummary(cursor.getString(0));
        e.setLocation(cursor.getString(1));
        e.setDescription(cursor.getString(2));

        boolean allDay = cursor.getInt(7) != 0;
        long tsStart = cursor.getLong(3), tsEnd = cursor.getLong(4);
        String duration = cursor.getString(18);

        String tzId = null;
        if (allDay) {
          e.setDtStart(tsStart, null);
          // provide only DTEND and not DURATION for all-day events
          if (tsEnd == 0) {
            Dur dur = new Dur(duration);
            java.util.Date dEnd = dur.getTime(new java.util.Date(tsStart));
            tsEnd = dEnd.getTime();
          }
          e.setDtEnd(tsEnd, null);

        } else {
          // use the start time zone for the end time, too
          // because apps like Samsung Planner allow the user to change "the" time zone but change
          // the start time zone only
          tzId = cursor.getString(5);
          e.setDtStart(tsStart, tzId);
          if (tsEnd != 0) e.setDtEnd(tsEnd, tzId);
          else if (!StringUtils.isEmpty(duration)) e.setDuration(new Duration(new Dur(duration)));
        }

        // recurrence
        try {
          String strRRule = cursor.getString(10);
          if (!StringUtils.isEmpty(strRRule)) e.setRrule(new RRule(strRRule));

          String strRDate = cursor.getString(11);
          if (!StringUtils.isEmpty(strRDate)) {
            RDate rDate = new RDate();
            rDate.setValue(strRDate);
            e.setRdate(rDate);
          }

          String strExRule = cursor.getString(12);
          if (!StringUtils.isEmpty(strExRule)) {
            ExRule exRule = new ExRule();
            exRule.setValue(strExRule);
            e.setExrule(exRule);
          }

          String strExDate = cursor.getString(13);
          if (!StringUtils.isEmpty(strExDate)) {
            // ignored, see https://code.google.com/p/android/issues/detail?id=21426
            ExDate exDate = new ExDate();
            exDate.setValue(strExDate);
            e.setExdate(exDate);
          }
        } catch (ParseException ex) {
          Log.w(TAG, "Couldn't parse recurrence rules, ignoring", ex);
        } catch (IllegalArgumentException ex) {
          Log.w(TAG, "Invalid recurrence rules, ignoring", ex);
        }

        // status
        switch (cursor.getInt(8)) {
          case Events.STATUS_CONFIRMED:
            e.setStatus(Status.VEVENT_CONFIRMED);
            break;
          case Events.STATUS_TENTATIVE:
            e.setStatus(Status.VEVENT_TENTATIVE);
            break;
          case Events.STATUS_CANCELED:
            e.setStatus(Status.VEVENT_CANCELLED);
        }

        // availability
        e.setOpaque(cursor.getInt(19) != Events.AVAILABILITY_FREE);

        // attendees
        if (cursor.getInt(14) != 0) { // has attendees
          try {
            e.setOrganizer(new Organizer(new URI("mailto", cursor.getString(15), null)));
          } catch (URISyntaxException ex) {
            Log.e(TAG, "Error when creating ORGANIZER URI, ignoring", ex);
          }
          populateAttendees(e);
        }

        // classification
        switch (cursor.getInt(9)) {
          case Events.ACCESS_CONFIDENTIAL:
          case Events.ACCESS_PRIVATE:
            e.setForPublic(false);
            break;
          case Events.ACCESS_PUBLIC:
            e.setForPublic(true);
        }

        populateReminders(e);
      } else throw new RecordNotFoundException();
    } catch (RemoteException ex) {
      throw new LocalStorageException(ex);
    }
  }
  /**
   * Fügt die Wiederholungen des übergebenen Appointment-Objekts dem übergebenen
   * Event-Objekt hinzu.
   *
   * @param appointment Ein Rapla Appointment.
   */
  private void addRepeatings(Appointment appointment, PropertyList properties) {
    Repeating repeating = appointment.getRepeating();

    if (repeating == null) {
      return;
    }

    // This returns the strings DAYLY, WEEKLY, MONTHLY, YEARLY
    String type = repeating.getType().toString().toUpperCase();

    Recur recur;

    // here is evaluated, if a COUNT is set in Rapla, or an enddate is
    // specified
    if (repeating.getNumber() == -1) {
      recur = new Recur(type, -1);
    } else if (repeating.isFixedNumber()) {
      recur = new Recur(type, repeating.getNumber());
    } else {
      net.fortuna.ical4j.model.Date endDate = new net.fortuna.ical4j.model.Date(repeating.getEnd());
      // TODO do we need to translate the enddate in utc?
      recur = new Recur(type, endDate);
    }

    if (repeating.isDaily()) {
      // DAYLY -> settings : intervall
      recur.setInterval(repeating.getInterval());

    } else if (repeating.isWeekly()) {
      // WEEKLY -> settings : every nTh Weekday
      recur.setInterval(repeating.getInterval());

      calendar.setTime(appointment.getStart());
      recur.getDayList().add(WeekDay.getWeekDay(calendar));
    } else if (repeating.isMonthly()) {
      // MONTHLY -> settings : every nTh Weekday
      recur.setInterval(repeating.getInterval());
      calendar.setTime(appointment.getStart());
      int weekofmonth =
          Math.round(calendar.get(java.util.Calendar.DAY_OF_MONTH) / DateTools.DAYS_PER_WEEK) + 1;
      recur.getDayList().add(new WeekDay(WeekDay.getWeekDay(calendar), weekofmonth));
    } else if (repeating.isYearly()) {
      // YEARLY -> settings : every nTh day mTh Monthname
      calendar.setTime(appointment.getStart());
      calendar.get(java.util.Calendar.DAY_OF_YEAR);
    } else {
      getLogger().warn("Invalid data in recurrency rule!");
    }

    properties.add(new RRule(recur));

    // bugfix - if rapla has no exceptions, an empty EXDATE: element is
    // produced. This may bother some iCal tools
    if (repeating.getExceptions().length == 0) {
      return;
    }

    // Add exception dates
    // DateList dl = new DateList(Value.DATE);

    ExDate exDate = new ExDate();
    TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
    net.fortuna.ical4j.model.TimeZone tz = registry.getTimeZone(timeZone.getID());

    // rku: use seperate EXDATE for each exception
    for (Iterator<Date> itExceptions = Arrays.asList(repeating.getExceptions()).iterator();
        itExceptions.hasNext(); ) {
      // DateList dl = new DateList(Value.DATE);
      Date date = itExceptions.next();
      // dl.add(new net.fortuna.ical4j.model.Date( date));
      java.util.Calendar cal = raplaLocale.createCalendar();
      cal.setTime(date);
      int year = cal.get(java.util.Calendar.YEAR);
      int day_of_year = cal.get(java.util.Calendar.DAY_OF_YEAR);
      cal.setTime(appointment.getStart());
      cal.set(java.util.Calendar.YEAR, year);
      cal.set(java.util.Calendar.DAY_OF_YEAR, day_of_year);
      int offset =
          (int) (tz.getOffset(DateTools.cutDate(date).getTime()) / DateTools.MILLISECONDS_PER_HOUR);
      cal.add(java.util.Calendar.HOUR, -offset);
      Date dateToSave = cal.getTime();
      net.fortuna.ical4j.model.DateTime dateTime = new net.fortuna.ical4j.model.DateTime();
      dateTime.setTime(dateToSave.getTime());
      exDate.getDates().add(dateTime);
    }
    exDate.setTimeZone(tz);

    properties.add(exDate);
    // properties.add(new ExDate(dl));
  }