org.joda.time.YearMonthDay#plusDays ( )源码实例Demo

public ViewEventSpaceOccupationsBean(YearMonthDay day, Space allocatableSpace) {

        setAllocatableSpace(allocatableSpace);

        if (day != null) {
            setYear(new Partial(DateTimeFieldType.year(), day.getYear()));
            setMonth(new Partial(DateTimeFieldType.monthOfYear(), day.getMonthOfYear()));

            YearMonthDay monday = day.toDateTimeAtMidnight().withDayOfWeek(MONDAY_IN_JODA_TIME).toYearMonthDay();
            if ((monday.getMonthOfYear() < day.getMonthOfYear()) || (monday.getYear() < day.getYear())) {
                monday = monday.plusDays(Lesson.NUMBER_OF_DAYS_IN_WEEK);
            }

            setDay(monday);
        }
    }
 

@Override
public Object provide(Object source, Object currentValue) {

    List<YearMonthDay> result = new ArrayList<YearMonthDay>();
    ViewEventSpaceOccupationsBean bean = (ViewEventSpaceOccupationsBean) source;
    Partial year = bean.getYear();
    Partial month = bean.getMonth();

    if (month != null && year != null) {

        int monthNumber = month.get(DateTimeFieldType.monthOfYear());
        int yearNumber = year.get(DateTimeFieldType.year());

        YearMonthDay firstDayOfMonth = new YearMonthDay(yearNumber, monthNumber, 1);
        YearMonthDay monday = firstDayOfMonth.toDateTimeAtMidnight().withDayOfWeek(MONDAY_IN_JODA_TIME).toYearMonthDay();

        if ((monday.getMonthOfYear() < monthNumber) || (monday.getYear() < yearNumber)) {
            monday = monday.plusDays(Lesson.NUMBER_OF_DAYS_IN_WEEK);
        }

        while (monday.getMonthOfYear() == monthNumber) {
            result.add(monday);
            monday = monday.plusDays(Lesson.NUMBER_OF_DAYS_IN_WEEK);
        }
    }

    return result;
}
 

private YearMonthDay getValidBeginDate(YearMonthDay startDate) {
    YearMonthDay lessonBegin =
            startDate.toDateTimeAtMidnight().withDayOfWeek(getDiaSemana().getDiaSemanaInDayOfWeekJodaFormat())
                    .toYearMonthDay();
    if (lessonBegin.isBefore(startDate)) {
        lessonBegin = lessonBegin.plusDays(NUMBER_OF_DAYS_IN_WEEK);
    }
    return lessonBegin;
}
 

private SortedSet<YearMonthDay> getAllValidLessonDatesWithoutInstancesDates(YearMonthDay startDateToSearch,
        YearMonthDay endDateToSearch) {

    SortedSet<YearMonthDay> result = new TreeSet<YearMonthDay>();
    startDateToSearch = startDateToSearch != null ? getValidBeginDate(startDateToSearch) : null;

    if (!wasFinished() && startDateToSearch != null && endDateToSearch != null && !startDateToSearch.isAfter(endDateToSearch)) {
        Space lessonCampus = getLessonCampus();
        final int dayIncrement =
                getFrequency() == FrequencyType.BIWEEKLY ? FrequencyType.WEEKLY.getNumberOfDays() : getFrequency()
                        .getNumberOfDays();
        boolean shouldAdd = true;
        while (true) {
            if (isDayValid(startDateToSearch, lessonCampus)) {
                if (getFrequency() != FrequencyType.BIWEEKLY || shouldAdd) {
                    if (!isHoliday(startDateToSearch, lessonCampus)) {
                        result.add(startDateToSearch);
                    }
                }
                shouldAdd = !shouldAdd;
            }
            startDateToSearch = startDateToSearch.plusDays(dayIncrement);
            if (startDateToSearch.isAfter(endDateToSearch)) {
                break;
            }
        }
    }
    return result;
}
 

public static List<Interval> generateEventSpaceOccupationIntervals(YearMonthDay begin, final YearMonthDay end,
        final HourMinuteSecond beginTime, final HourMinuteSecond endTime, final FrequencyType frequency,
        final DiaSemana diaSemana, final Boolean dailyFrequencyMarkSaturday, final Boolean dailyFrequencyMarkSunday,
        final YearMonthDay startDateToSearch, final YearMonthDay endDateToSearch) {

    List<Interval> result = new ArrayList<Interval>();
    begin = getBeginDateInSpecificWeekDay(diaSemana, begin);

    if (frequency == null) {
        if (!begin.isAfter(end)
                && (startDateToSearch == null || (!end.isBefore(startDateToSearch) && !begin.isAfter(endDateToSearch)))) {
            result.add(createNewInterval(begin, end, beginTime, endTime));
            return result;
        }
    } else {
        int numberOfDaysToSum = frequency.getNumberOfDays();
        while (true) {
            if (begin.isAfter(end)) {
                break;
            }
            if (startDateToSearch == null || (!begin.isBefore(startDateToSearch) && !begin.isAfter(endDateToSearch))) {

                Interval interval = createNewInterval(begin, begin, beginTime, endTime);

                if (!frequency.equals(FrequencyType.DAILY)
                        || ((dailyFrequencyMarkSaturday || interval.getStart().getDayOfWeek() != SATURDAY_IN_JODA_TIME) && (dailyFrequencyMarkSunday || interval
                                .getStart().getDayOfWeek() != SUNDAY_IN_JODA_TIME))) {

                    result.add(interval);
                }
            }
            begin = begin.plusDays(numberOfDaysToSum);
        }
    }
    return result;
}
 

protected DateTime getInstant(boolean firstInstant, YearMonthDay begin, final YearMonthDay end,
        final HourMinuteSecond beginTime, final HourMinuteSecond endTime, final FrequencyType frequency,
        final DiaSemana diaSemana, final Boolean dailyFrequencyMarkSaturday, final Boolean dailyFrequencyMarkSunday) {

    DateTime instantResult = null;
    begin = getBeginDateInSpecificWeekDay(diaSemana, begin);

    if (frequency == null) {
        if (!begin.isAfter(end)) {
            if (firstInstant) {
                return begin.toDateTime(new TimeOfDay(beginTime.getHour(), beginTime.getMinuteOfHour(), 0, 0));
            } else {
                return end.toDateTime(new TimeOfDay(endTime.getHour(), endTime.getMinuteOfHour(), 0, 0));
            }
        }
    } else {
        int numberOfDaysToSum = frequency.getNumberOfDays();
        while (true) {
            if (begin.isAfter(end)) {
                break;
            }

            DateTime intervalEnd = begin.toDateTime(new TimeOfDay(endTime.getHour(), endTime.getMinuteOfHour(), 0, 0));
            if (!frequency.equals(FrequencyType.DAILY)
                    || ((dailyFrequencyMarkSaturday || intervalEnd.getDayOfWeek() != SATURDAY_IN_JODA_TIME) && (dailyFrequencyMarkSunday || intervalEnd
                            .getDayOfWeek() != SUNDAY_IN_JODA_TIME))) {

                if (firstInstant) {
                    return begin.toDateTime(new TimeOfDay(beginTime.getHour(), beginTime.getMinuteOfHour(), 0, 0));
                } else {
                    instantResult = intervalEnd;
                }
            }
            begin = begin.plusDays(numberOfDaysToSum);
        }
    }
    return instantResult;
}
 

private static YearMonthDay getBeginDateInSpecificWeekDay(DiaSemana diaSemana, YearMonthDay begin) {
    if (diaSemana != null) {
        YearMonthDay newBegin =
                begin.toDateTimeAtMidnight().withDayOfWeek(diaSemana.getDiaSemanaInDayOfWeekJodaFormat()).toYearMonthDay();
        if (newBegin.isBefore(begin)) {
            begin = newBegin.plusDays(Lesson.NUMBER_OF_DAYS_IN_WEEK);
        } else {
            begin = newBegin;
        }
    }
    return begin;
}
 

private YearMonthDay findNextPossibleDateAfter(YearMonthDay day, Lesson lesson) {
    for (YearMonthDay lessonDay : lesson.getAllLessonDatesWithoutInstanceDates()) {
        if (lessonDay.isAfter(day)) {
            return lessonDay;
        }
    }
    return lesson.isBiWeeklyOffset() ? day.plusDays(8) : day.plusDays(1);
}