Java Code Examples for net.fortuna.ical4j.model.property.RRule#getRecur()

private boolean isRRuleValid(RRule rrule, ValidationConfig config) {
    if (rrule == null) {
        return true;
    }

    if (rrule.getRecur() == null || rrule.getRecur().getFrequency() == null) {
        return false;
    }

    String recurFrequency = rrule.getRecur().getFrequency();
    if (!config.getAllowedRecurrenceFrequencies().contains(recurFrequency)) {
        return false;
    }

    return true;
}
 

/**
 * 
 * @param rruleString
 * @return null if rruleString is empty, otherwise new RRule object.
 */
public static RRule calculateRecurrenceRule(final String rruleString)
{
  if (StringUtils.isBlank(rruleString) == true) {
    return null;
  }
  try {
    final RRule rule = new RRule(rruleString);
    // set the recurrence end date to the last minute of the day
    final Recur recur = rule.getRecur();
    final net.fortuna.ical4j.model.Date until = recur != null ? recur.getUntil() : null;
    if (until != null) {
      final Date untilEndOfDay = CalendarUtils.getEndOfDay(until, PFUserContext.getTimeZone());
      recur.setUntil(new net.fortuna.ical4j.model.Date(untilEndOfDay));
    }
    return rule;
  } catch (final ParseException ex) {
    log.error("Exception encountered while parsing rrule '" + rruleString + "': " + ex.getMessage(), ex);
    return null;
  }
}
 

/**
 * Will be renewed if {@link #setRecurrenceRule(String)} is called.
 * @return the recurrenceRuleObject
 */
@Transient
public Recur getRecurrenceObject()
{
  final RRule rrule = getRecurrenceRuleObject();
  return rrule != null ? rrule.getRecur() : null;
}
 

/**
 *  删除重复日程事件中某一事件开始后续所有的日程事件信息(一定是重复日程)
 *  
 * 1、删除当前事件以及该重复事件主体信息已经生成的该ID事件后续时间内所有已经生成的日程事件信息
 * 2、更新日程事件重复信息主体，将截止日期改为指定ID所在的日期的前一天的23:59:59
 * 
 * @param repeatMasterId
 * @param calendar_event
 * @return
 * @throws Exception
 */
public Integer destoryAfterEventId( String repeatMasterId, Calendar_Event calendar_event ) throws Exception {		
	
	if( StringUtils.isEmpty( repeatMasterId )) {
		throw new Exception("calendar repeat master id is empty, calendar can not delete!" );
	}
	
	if( calendar_event == null ) {
		throw new Exception("calendar event is null, calendar can not delete!" );
	}
	
	Integer count = 0;
	Business business = null;
	List<String> eventIds = null;
	List<Calendar_Event> calendarEvents = null;
	Calendar_EventRepeatMaster calendar_EventRepeatMaster = null;
	try ( EntityManagerContainer emc = EntityManagerContainerFactory.instance().create()) {
		business = new Business(emc);
		calendar_EventRepeatMaster = emc.find( calendar_event.getRepeatMasterId(), Calendar_EventRepeatMaster.class );
		
		//-----------------------------------------------------------------------------------------------------------------
		//1、删除当前事件以及该重复事件主体信息已经生成的该ID事件后续时间内所有已经生成的日程事件信息
		eventIds = business.calendar_EventFactory().listWithRepeatMaster(repeatMasterId, calendar_event.getStartTime(), null );
		if( ListTools.isNotEmpty( eventIds )) {
			count = eventIds.size();
			calendarEvents = business.calendar_EventFactory().list( eventIds );
		}
		if( ListTools.isNotEmpty( calendarEvents )) {
			emc.beginTransaction( Calendar_Event.class );	
			for( Calendar_Event calendar_Event : calendarEvents ) {
				emc.remove( calendar_Event, CheckRemoveType.all );
			}
		}
		
		//将截止日期改为指定ID所在的日期的前一天的23:59:59
		Date repeatEndTime = dateOperation.getEndTimeInDay( dateOperation.getDayAddDate( calendar_event.getStartTime(), -1 ) );
		RRule rule = new RRule( calendar_EventRepeatMaster.getRecurrenceRule() );
		Recur recur = rule.getRecur();
		recur.setUntil( new net.fortuna.ical4j.model.Date(repeatEndTime) );		
		calendar_EventRepeatMaster.setRecurrenceRule( new RRule(recur).getValue());
		
		emc.beginTransaction( Calendar_EventRepeatMaster.class );
		emc.check( calendar_EventRepeatMaster, CheckPersistType.all );
		emc.commit();
	} catch ( Exception e ) {
		throw e;
	}
	return count;
}
 

/**
 *  删除重复日程事件中某一事件开始后续所有的日程事件信息(一定是重复日程)
 *  
 * 1、删除当前事件以及该重复事件主体信息已经生成的该ID事件后续时间内所有已经生成的日程事件信息
 * 2、更新日程事件重复信息主体，将截止日期改为指定ID所在的日期的前一天的23:59:59
 * 
 * @param repeatMasterId
 * @param calendar_event
 * @return
 * @throws Exception
 */
public Integer destoryAfterEventId( String repeatMasterId, Calendar_Event calendar_event ) throws Exception {		
	
	if( StringUtils.isEmpty( repeatMasterId )) {
		throw new Exception("calendar repeat master id is empty, calendar can not delete!" );
	}
	
	if( calendar_event == null ) {
		throw new Exception("calendar event is null, calendar can not delete!" );
	}
	
	Integer count = 0;
	Business business = null;
	List<String> eventIds = null;
	List<Calendar_Event> calendarEvents = null;
	Calendar_EventRepeatMaster calendar_EventRepeatMaster = null;
	try ( EntityManagerContainer emc = EntityManagerContainerFactory.instance().create()) {
		business = new Business(emc);
		calendar_EventRepeatMaster = emc.find( calendar_event.getRepeatMasterId(), Calendar_EventRepeatMaster.class );
		
		//-----------------------------------------------------------------------------------------------------------------
		//1、删除当前事件以及该重复事件主体信息已经生成的该ID事件后续时间内所有已经生成的日程事件信息
		eventIds = business.calendar_EventFactory().listWithRepeatMaster(repeatMasterId, calendar_event.getStartTime(), null );
		if( ListTools.isNotEmpty( eventIds )) {
			count = eventIds.size();
			calendarEvents = business.calendar_EventFactory().list( eventIds );
		}
		if( ListTools.isNotEmpty( calendarEvents )) {
			emc.beginTransaction( Calendar_Event.class );	
			for( Calendar_Event calendar_Event : calendarEvents ) {
				emc.remove( calendar_Event, CheckRemoveType.all );
			}
		}
		
		//将截止日期改为指定ID所在的日期的前一天的23:59:59
		Date repeatEndTime = dateOperation.getEndTimeInDay( dateOperation.getDayAddDate( calendar_event.getStartTime(), -1 ) );
		RRule rule = new RRule( calendar_EventRepeatMaster.getRecurrenceRule() );
		Recur recur = rule.getRecur();
		recur.setUntil( new net.fortuna.ical4j.model.Date(repeatEndTime) );		
		calendar_EventRepeatMaster.setRecurrenceRule( new RRule(recur).getValue());
		
		emc.beginTransaction( Calendar_EventRepeatMaster.class );
		emc.check( calendar_EventRepeatMaster, CheckPersistType.all );
		emc.commit();
	} catch ( Exception e ) {
		throw e;
	}
	return count;
}
 

/**
 * @param rruleString
 * @see ICal4JUtils#calculateRecurrenceRule(String)
 * @see RRule#getRecur()
 */
public static Recur calculateRecurrence(final String rruleString)
{
  final RRule rule = calculateRecurrenceRule(rruleString);
  return rule != null ? rule.getRecur() : null;
}