Java Code Examples for net.fortuna.ical4j.model.component.VEvent#getStartDate()

/**
 * Get the duration for an event.  If the DURATION property
 * exist, use that.  Else, calculate duration from DTSTART and
 * DTEND.
 * @param event The event.
 * @return duration for event
 */
public static Dur getDuration(VEvent event) {
    Duration duration = (Duration)
        event.getProperties().getProperty(Property.DURATION);
    if (duration != null) {
        return duration.getDuration();
    }
    DtStart dtstart = event.getStartDate();
    if (dtstart == null) {
        return null;
    }
    DtEnd dtend = (DtEnd) event.getProperties().getProperty(Property.DTEND);
    if (dtend == null) {
        return null;
    }
    return new Duration(dtstart.getDate(), dtend.getDate()).getDuration();
}
 

private static boolean isEventValid(VEvent event, ValidationConfig config) {
    if (config == null) {
        LOG.error("ValidationConfig cannot be null");
        return false;
    }
    DtStart startDate = event.getStartDate();
    DtEnd endDate = event.getEndDate(true);
    if (startDate == null || startDate.getDate() == null
            || endDate != null && startDate.getDate().after(endDate.getDate())) {

        return false;
    }

    for (PropertyValidator validator : values()) {
        if (!validator.isValid(event, config)) {
            return false;
        }
    }

    return areTimeZoneIdsValid(event);
}
 

/**
 * Determine if date is a valid occurence in recurring calendar component
 * @param calendar recurring calendar component
 * @param occurrence occurrence date
 * @return true if the occurrence date is a valid occurrence, otherwise false
 */
public boolean isOccurrence(Calendar calendar, Date occurrence) {
    java.util.Calendar cal = Dates.getCalendarInstance(occurrence);
    cal.setTime(occurrence);
   
    // Add a second or day (one unit forward) so we can set a range for
    // finding instances.  This is required because ical4j's Recur apis
    // only calculate recurring dates up until but not including the 
    // end date of the range.
    if(occurrence instanceof DateTime) {
        cal.add(java.util.Calendar.SECOND, 1);
    }
    else {
        cal.add(java.util.Calendar.DAY_OF_WEEK, 1);
    }
    
    Date rangeEnd = 
        org.unitedinternet.cosmo.calendar.util.Dates.getInstance(cal.getTime(), occurrence);
    
    TimeZone tz = null;
    
    for(Object obj : calendar.getComponents(Component.VEVENT)){
    	VEvent evt = (VEvent)obj;
    	if(evt.getRecurrenceId() == null && evt.getStartDate() != null){
    		tz = evt.getStartDate().getTimeZone();
    	}
    }
    InstanceList instances = getOcurrences(calendar, occurrence, rangeEnd, tz);
    
    for(Iterator<Instance> it = instances.values().iterator(); it.hasNext();) {
        Instance instance = it.next();
        if(instance.getRid().getTime()==occurrence.getTime()) {
            return true;
        }
    }
    
    return false;
}
 

public Date getStartDate() {
    VEvent event = getEvent();
    if(event==null) {
        return null;
    }
    
    DtStart dtStart = event.getStartDate();
    if (dtStart == null) {
        return null;
    }
    return dtStart.getDate();
}
 

/**
 * Gets start date.
 * @return date.
 */
public Date getStartDate() {
    VEvent event = getEvent();
    if (event==null) {
        return null;
    }
    
    DtStart dtStart = event.getStartDate();
    if (dtStart == null) {
        return null;
    }
    return dtStart.getDate();
}
 

/**
 * Reads calendar events from file
 * @return a list of events if file was parsed successfully or null otherwise
 */
private static List<CalendarEvent> readEvents(File f) {
  try {
    CompatibilityHints.setHintEnabled(CompatibilityHints.KEY_RELAXED_PARSING, true);
    CalendarBuilder builder = new CalendarBuilder();
    List<CalendarEvent> gpEvents = Lists.newArrayList();
    Calendar c = builder.build(new UnfoldingReader(new FileReader(f)));
    for (Component comp : (List<Component>)c.getComponents()) {
      if (comp instanceof VEvent) {
        VEvent event = (VEvent) comp;
        if (event.getStartDate() == null) {
          GPLogger.log("No start date found, ignoring. Event="+event);
          continue;
        }
        Date eventStartDate = event.getStartDate().getDate();
        if (event.getEndDate() == null) {
          GPLogger.log("No end date found, using start date instead. Event="+event);
        }
        Date eventEndDate = event.getEndDate() == null ? eventStartDate : event.getEndDate().getDate();
        TimeDuration oneDay = GPTimeUnitStack.createLength(GPTimeUnitStack.DAY, 1);
        if (eventEndDate != null) {
          java.util.Date startDate = GPTimeUnitStack.DAY.adjustLeft(eventStartDate);
          java.util.Date endDate = GPTimeUnitStack.DAY.adjustLeft(eventEndDate);
          RRule recurrenceRule = (RRule) event.getProperty(Property.RRULE);
          boolean recursYearly = false;
          if (recurrenceRule != null) {
            recursYearly = Recur.YEARLY.equals(recurrenceRule.getRecur().getFrequency()) && 1 == recurrenceRule.getRecur().getInterval();
          }
          while (startDate.compareTo(endDate) <= 0) {
            Summary summary = event.getSummary();
            gpEvents.add(CalendarEvent.newEvent(
                startDate, recursYearly, CalendarEvent.Type.HOLIDAY,
                summary == null ? "" : summary.getValue(),
                null));
            startDate = GPCalendarCalc.PLAIN.shiftDate(startDate, oneDay);
          }
        }
      }
    }
    return gpEvents;
  } catch (IOException | ParserException e) {
    GPLogger.log(e);
    return null;
  }
}
 

/**
 * Sets calendar attributes.
 * @param note The note item.
 * @param event The event.
 */
private void setCalendarAttributes(NoteItem note, VEvent event) {
    
    // UID (only set if master)
    if(event.getUid()!=null && note.getModifies()==null) {
        note.setIcalUid(event.getUid().getValue());
    }
    
    // for now displayName is limited to 1024 chars
    if (event.getSummary() != null) {
        note.setDisplayName(StringUtils.substring(event.getSummary()
                .getValue(), 0, 1024));
    }

    if (event.getDescription() != null) {
        note.setBody(event.getDescription().getValue());
    }

    // look for DTSTAMP
    if(event.getDateStamp()!=null) {
        note.setClientModifiedDate(event.getDateStamp().getDate());
    }
    
    // look for absolute VALARM
    VAlarm va = ICalendarUtils.getDisplayAlarm(event);
    if (va != null && va.getTrigger()!=null) {
        Trigger trigger = va.getTrigger();
        Date reminderTime = trigger.getDateTime();
        if (reminderTime != null) {
            note.setReminderTime(reminderTime);
        }
    }

    // calculate triage status based on start date
    java.util.Date now =java.util.Calendar.getInstance().getTime();
    Date eventStartDate = event.getStartDate() != null && event.getStartDate().getDate() != null 
    		? event.getStartDate().getDate()
    		:new Date();
    boolean later = eventStartDate.after(now);
    int code = later ? TriageStatus.CODE_LATER : TriageStatus.CODE_DONE;
    
    TriageStatus triageStatus = note.getTriageStatus();
    
    // initialize TriageStatus if not present
    if (triageStatus == null) {
        triageStatus = TriageStatusUtil.initialize(entityFactory
                .createTriageStatus());
        note.setTriageStatus(triageStatus);
    }

    triageStatus.setCode(code);
    
    // check for X-OSAF-STARRED
    if ("TRUE".equals(ICalendarUtils.getXProperty(X_OSAF_STARRED, event))) {
        TaskStamp ts = StampUtils.getTaskStamp(note);
        if (ts == null) {
            note.addStamp(entityFactory.createTaskStamp());
        }
    }
}
 

@Transactional
protected ICalendarEvent findOrCreateEvent(VEvent vEvent, ICalendar calendar) {

  String uid = vEvent.getUid().getValue();
  DtStart dtStart = vEvent.getStartDate();
  DtEnd dtEnd = vEvent.getEndDate();

  ICalendarEvent event = iEventRepo.findByUid(uid);
  if (event == null) {
    event = ICalendarEventFactory.getNewIcalEvent(calendar);
    event.setUid(uid);
    event.setCalendar(calendar);
  }

  ZoneId zoneId = OffsetDateTime.now().getOffset();
  if (dtStart.getDate() != null) {
    if (dtStart.getTimeZone() != null) {
      zoneId = dtStart.getTimeZone().toZoneId();
    }
    event.setStartDateTime(LocalDateTime.ofInstant(dtStart.getDate().toInstant(), zoneId));
  }

  if (dtEnd.getDate() != null) {
    if (dtEnd.getTimeZone() != null) {
      zoneId = dtEnd.getTimeZone().toZoneId();
    }
    event.setEndDateTime(LocalDateTime.ofInstant(dtEnd.getDate().toInstant(), zoneId));
  }

  event.setAllDay(!(dtStart.getDate() instanceof DateTime));

  event.setSubject(getValue(vEvent, Property.SUMMARY));
  event.setDescription(getValue(vEvent, Property.DESCRIPTION));
  event.setLocation(getValue(vEvent, Property.LOCATION));
  event.setGeo(getValue(vEvent, Property.GEO));
  event.setUrl(getValue(vEvent, Property.URL));
  event.setSubjectTeam(event.getSubject());
  if (Clazz.PRIVATE.getValue().equals(getValue(vEvent, Property.CLASS))) {
    event.setVisibilitySelect(ICalendarEventRepository.VISIBILITY_PRIVATE);
  } else {
    event.setVisibilitySelect(ICalendarEventRepository.VISIBILITY_PUBLIC);
  }
  if (Transp.TRANSPARENT.getValue().equals(getValue(vEvent, Property.TRANSP))) {
    event.setDisponibilitySelect(ICalendarEventRepository.DISPONIBILITY_AVAILABLE);
  } else {
    event.setDisponibilitySelect(ICalendarEventRepository.DISPONIBILITY_BUSY);
  }
  if (event.getVisibilitySelect() == ICalendarEventRepository.VISIBILITY_PRIVATE) {
    event.setSubjectTeam(I18n.get("Available"));
    if (event.getDisponibilitySelect() == ICalendarEventRepository.DISPONIBILITY_BUSY) {
      event.setSubjectTeam(I18n.get("Busy"));
    }
  }
  ICalendarUser organizer = findOrCreateUser(vEvent.getOrganizer(), event);
  if (organizer != null) {
    event.setOrganizer(organizer);
    iCalendarUserRepository.save(organizer);
  }

  for (Object item : vEvent.getProperties(Property.ATTENDEE)) {
    ICalendarUser attendee = findOrCreateUser((Property) item, event);
    if (attendee != null) {
      event.addAttendee(attendee);
      iCalendarUserRepository.save(attendee);
    }
  }
  iEventRepo.save(event);
  return event;
}
 

@Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);

       Intent intent = getIntent();

Uri data = intent.getData();

try {
	//use ical4j to parse the event
	CalendarBuilder cb = new CalendarBuilder();
	Calendar calendar = null;
	calendar = cb.build(getStreamFromOtherSource(data));

	if (calendar != null) {

		Iterator i = calendar.getComponents(Component.VEVENT).iterator();

		while (i.hasNext()) {
			VEvent event = (VEvent) i.next();

			Intent insertIntent = new Intent(Intent.ACTION_INSERT)
				.setType("vnd.android.cursor.item/event");

			if (event.getStartDate() != null)
				insertIntent.putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, event.getStartDate().getDate().getTime());

			if (event.getEndDate() != null)
				insertIntent.putExtra(CalendarContract.EXTRA_EVENT_END_TIME, event.getEndDate().getDate().getTime());

			if (event.getSummary() != null)
				insertIntent.putExtra(CalendarContract.Events.TITLE, event.getSummary().getValue());

			if (event.getDescription() != null)
				insertIntent.putExtra(CalendarContract.Events.DESCRIPTION, event.getDescription().getValue());

			if (event.getLocation() != null) 
				insertIntent.putExtra(CalendarContract.Events.EVENT_LOCATION, event.getLocation().getValue());

			insertIntent.putExtra(CalendarContract.Events.ACCESS_LEVEL, CalendarContract.Events.ACCESS_PRIVATE);
			startActivity(insertIntent);

		}
	}

} catch (Exception e) {
	e.printStackTrace();
	Toast.makeText(getBaseContext(), "Invalid ICS file", Toast.LENGTH_LONG).show();
}
finish();

   }