Java DateTimeConstants類代碼示例

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
/**
 * Randomized test on TimeUnitRounding. Test uses random
 * {@link DateTimeUnit} and {@link DateTimeZone} and often (50% of the time)
 * chooses test dates that are exactly on or close to offset changes (e.g.
 * DST) in the chosen time zone.
 *
 * It rounds the test date down and up and performs various checks on the
 * rounding unit interval that is defined by this. Assumptions tested are
 * described in
 * {@link #assertInterval(long, long, long, Rounding, DateTimeZone)}
 */
public void testRoundingRandom() {
    for (int i = 0; i < 1000; ++i) {
        DateTimeUnit timeUnit = randomTimeUnit();
        DateTimeZone tz = randomDateTimeZone();
        Rounding rounding = new Rounding.TimeUnitRounding(timeUnit, tz);
        long date = Math.abs(randomLong() % (2 * (long) 10e11)); // 1970-01-01T00:00:00Z - 2033-05-18T05:33:20.000+02:00
        long unitMillis = timeUnit.field(tz).getDurationField().getUnitMillis();
        if (randomBoolean()) {
            nastyDate(date, tz, unitMillis);
        }
        final long roundedDate = rounding.round(date);
        final long nextRoundingValue = rounding.nextRoundingValue(roundedDate);

        assertInterval(roundedDate, date, nextRoundingValue, rounding, tz);

        // check correct unit interval width for units smaller than a day, they should be fixed size except for transitions
        if (unitMillis <= DateTimeConstants.MILLIS_PER_DAY) {
            // if the interval defined didn't cross timezone offset transition, it should cover unitMillis width
            if (tz.getOffset(roundedDate - 1) == tz.getOffset(nextRoundingValue + 1)) {
                assertThat("unit interval width not as expected for [" + timeUnit + "], [" + tz + "] at "
                        + new DateTime(roundedDate), nextRoundingValue - roundedDate, equalTo(unitMillis));
            }
        }
    }
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
public static CalendarWeek getWeekIncludeThisDay(LocalDate localDate) {

        LocalDate monday = localDate.withDayOfWeek(DateTimeConstants.MONDAY);
        LocalDate tuesday = localDate.withDayOfWeek(DateTimeConstants.TUESDAY);
        LocalDate wednesday = localDate.withDayOfWeek(DateTimeConstants.WEDNESDAY);
        LocalDate thursday = localDate.withDayOfWeek(DateTimeConstants.THURSDAY);
        LocalDate friday = localDate.withDayOfWeek(DateTimeConstants.FRIDAY);
        LocalDate saturday = localDate.withDayOfWeek(DateTimeConstants.SATURDAY);
        LocalDate sunday = localDate.withDayOfWeek(DateTimeConstants.SUNDAY);

        CalendarWeek calendarWeek = new CalendarWeek(
                monday,
                tuesday,
                wednesday,
                thursday,
                friday,
                saturday,
                sunday
        );
        calendarWeek.firstDayOfCurrentMonth = localDate.withDayOfMonth(1);
        calendarWeek.originDate = localDate;

        return calendarWeek;
    }
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
public static long getDayOfWeekTimeFlag(int dayOfWeek) {
    dayOfWeek = (dayOfWeek - 1) % 7 + 1;
    switch (dayOfWeek) {
        case DateTimeConstants.SUNDAY:
            return FLAG_SUNDAY;

        case DateTimeConstants.MONDAY:
            return FLAG_MONDAY;

        case DateTimeConstants.SATURDAY:
            return FLAG_SATURDAY;

        case DateTimeConstants.WEDNESDAY:
            return FLAG_WEDNESDAY;

        case DateTimeConstants.TUESDAY:
            return FLAG_TUESDAY;

        case DateTimeConstants.THURSDAY:
            return FLAG_THURSDAY;
        case DateTimeConstants.FRIDAY:
            return FLAG_FRIDAY;

    }
    throw new IllegalArgumentException("dayOfWeek = " + dayOfWeek);
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
public static List<String> getMondaysFromCurrentSchoolYear(String dateFormat) {
    LocalDate startDate = new LocalDate(getCurrentSchoolYear(), 9, 1);
    LocalDate endDate = new LocalDate(getCurrentSchoolYear() + 1, 8, 31);

    List<String> dateList = new ArrayList<>();

    LocalDate thisMonday = startDate.withDayOfWeek(DateTimeConstants.MONDAY);

    if (startDate.isAfter(thisMonday)) {
        startDate = thisMonday.plusWeeks(1);
    } else {
        startDate = thisMonday;
    }

    while (startDate.isBefore(endDate)) {
        dateList.add(startDate.toString(dateFormat));
        startDate = startDate.plusWeeks(1);
    }
    return dateList;
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
private String getDateOfCurrentMonday() {
    DateTime currentDate = new DateTime();

    if (currentDate.getDayOfWeek() == DateTimeConstants.SATURDAY) {
        currentDate = currentDate.plusDays(2);
    } else if (currentDate.getDayOfWeek() == DateTimeConstants.SUNDAY) {
        currentDate = currentDate.plusDays(1);
    } else {
        currentDate = currentDate.withDayOfWeek(DateTimeConstants.MONDAY);
    }
    return currentDate.toString(DATE_PATTERN);
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
/**
 * Generates the datetime bounds for the last N weeks, this week inclusive
 * The first day of the week is considered to be a Monday (1)
 * @param dateTime the anchor date
 * @param nPastWeeks the number of weeks to compute
 * @return a series of n week objects, containing the start date and end date of those weeks
 */
public static ArrayList<Week>
        GetNPastWeeks(DateTime dateTime, int nPastWeeks) {
    if (nPastWeeks < 1) return new ArrayList<>();
    LocalDate localDate = new LocalDate(dateTime);
    DateTime monday = localDate.withDayOfWeek(DateTimeConstants.MONDAY)
                                .toDateTimeAtStartOfDay();
    DateTime sunday = localDate.withDayOfWeek(DateTimeConstants.SUNDAY)
                               .toDateTimeAtStartOfDay().plusDays(1)
                               .minusMillis(1);
    Week datePair = new Week(monday, sunday);
    ArrayList<Week> datePairs = new ArrayList<>(nPastWeeks);
    datePairs.add(datePair);
    for (int i = 1; i < nPastWeeks; ++i) {
        datePairs.add(new Week(
                datePairs.get(i - 1).getStartOfWeek().minusWeeks(1),
                datePairs.get(i - 1).getEndOfWeek().minusWeeks(1)));
    }
    Collections.reverse(datePairs);
    return datePairs;
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
/**
 * Convert a habit to its data model
 * @param habit the habit to convert
 */
public HabitDataModel(Habit habit) {
    key = habit.getKey();
    userId = habit.getUserId();
    title = habit.getTitle();
    reason = habit.getReason();

    startDate = habit.getStartDate().getMillis();

    schedule = new ArrayList<>(DateTimeConstants.DAYS_PER_WEEK);
    for (int i = 0; i < DateTimeConstants.DAYS_PER_WEEK; i++) {
        schedule.add(habit.getSchedule().contains(i + 1));
    }

    completionRate = habit.getCompletionRate();
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
/**
 * Convert to a habit
 * @return the corresponding Habit object
 */
@Exclude
public Habit getHabit() {
    HashSet<Integer> newSchedule = new HashSet<>(DateTimeConstants.DAYS_PER_WEEK);
    for(int i = 0; i < schedule.size(); i++) {
        if(schedule.get(i)) {
            newSchedule.add(i + 1);
        }
    }

    Habit habit = new Habit();
    habit.setKey(key);
    habit.setUserId(userId);
    habit.setTitle(title);
    habit.setReason(reason);
    habit.setStartDate(new DateTime(startDate));
    habit.setSchedule(newSchedule);
    habit.setCompletionRate(completionRate);

    if (completionRate != null) {
        habit.setStatus(HabitStatus.fromCompletionRate(completionRate));
    }

    return habit;
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
public void testGetMillisKeepLocal() {
    long millisLondon = TEST_TIME_SUMMER;
    long millisParis = TEST_TIME_SUMMER - 1L * DateTimeConstants.MILLIS_PER_HOUR;
    
    assertEquals(millisLondon, LONDON.getMillisKeepLocal(LONDON, millisLondon));
    assertEquals(millisParis, LONDON.getMillisKeepLocal(LONDON, millisParis));
    assertEquals(millisLondon, PARIS.getMillisKeepLocal(PARIS, millisLondon));
    assertEquals(millisParis, PARIS.getMillisKeepLocal(PARIS, millisParis));
    
    assertEquals(millisParis, LONDON.getMillisKeepLocal(PARIS, millisLondon));
    assertEquals(millisLondon, PARIS.getMillisKeepLocal(LONDON, millisParis));
    
    DateTimeZone zone = DateTimeZone.getDefault();
    try {
        DateTimeZone.setDefault(LONDON);
        assertEquals(millisLondon, PARIS.getMillisKeepLocal(null, millisParis));
    } finally {
        DateTimeZone.setDefault(zone);
    }
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
private Timetable createLessonsForWeek(LocalDate weekStart) {
    Timetable result = new Timetable();
    for (int dayNo = DateTimeConstants.MONDAY; dayNo <= DateTimeConstants.FRIDAY; dayNo++) {
        List<List<JsonLesson>> schoolDay = new ArrayList<>();
        for (int lessonNo = 0; lessonNo < repository.getList(PlainLesson.class).size(); lessonNo++) {
            ImmutableJsonLesson lesson = templates.jsonLesson()
                    .withDayNo(dayNo);
            schoolDay.add(withLessonNumber(lesson, lessonNo));
        }
        result.put(weekStart.plusDays(dayNo - 1), schoolDay);
    }
    //weekend
    result.put(weekStart.plusDays(5), newArrayList());
    result.put(weekStart.plusDays(6), newArrayList());

    result.get(weekStart).add(withLessonNumber(cancelledLesson(), 7));

    result.get(weekStart.plusDays(1)).add(withLessonNumber(substitutionLesson(), 7));

    //Empty lesson
    result.get(weekStart.plusDays(2)).remove(2);

    return result;
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
@Override
public void bindViewHolder(FlexibleAdapter adapter, ViewHolder holder, int position, List payloads) {
    this.backgroundView = holder.background;
    this.title = holder.announcementSubject;

    holder.announcementSubject.setText(announcement.subject());
    ViewCompat.setTransitionName(holder.background, "announcement_background_" + announcement.id());
    LibrusUtils.setTextViewValue(holder.announcementTeacherName, announcement.addedByName());
    holder.announcementContent.setText(announcement.content());

    Reader reader = new Reader(holder.itemView.getContext());

    if (!reader.isRead(announcement))
        holder.announcementSubject.setTypeface(holder.announcementSubject.getTypeface(), Typeface.BOLD);
    else
        holder.announcementSubject.setTypeface(null, Typeface.NORMAL);
    if (announcement.startDate().isBefore(LocalDate.now().withDayOfWeek(DateTimeConstants.MONDAY)))
        holder.announcementDate.setText(announcement.startDate().toString("d MMM."));
    else
        holder.announcementDate.setText(announcement.startDate().dayOfWeek().getAsShortText(new Locale("pl")));
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
/**
* @param d2
* @param d1
* @return the difference d2-d1 in minutes
*/
public static long getDateTimeDifferenceInMinutes(DateTime d2, DateTime d1) {
  if(d2.toLocalDate().isEqual(d1.toLocalDate())) {
      return d2.getMinuteOfDay() - d1.getMinuteOfDay();
  }
  else {
    int minutesFromD1ToNextDay = DateTimeConstants.MINUTES_PER_DAY - d1.getMinuteOfDay();
    int minutesFromD2ToPreviousDay = d2.getMinuteOfDay();

    DateTime dayAfterD1 = endOfDay(d1).plusMillis(1);
    DateTime dayBeforeD2 = startOfDay(d2);
    int daysDifference = dayBeforeD2.getDayOfYear() - dayAfterD1.getDayOfYear()
        + (dayBeforeD2.getYear() - dayAfterD1.getYear()) * 365;
    return minutesFromD1ToNextDay + minutesFromD2ToPreviousDay + daysDifference * DateTimeConstants.MINUTES_PER_DAY;
  }
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
private static int millisPerUnit(String unit) {
  switch (Ascii.toLowerCase(unit)) {
    case "d":
      return DateTimeConstants.MILLIS_PER_DAY;
    case "h":
      return DateTimeConstants.MILLIS_PER_HOUR;
    case "m":
      return DateTimeConstants.MILLIS_PER_MINUTE;
    case "s":
      return DateTimeConstants.MILLIS_PER_SECOND;
    case "ms":
      return 1;
    default:
      throw new IllegalArgumentException("Unknown duration unit " + unit);
  }
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
@Test
public void testCreatePeriod()
{
    DateTime testDate = new DateTime( 2009, 4, 27, 0, 0 );
    WeeklyPeriodType wpt = new WeeklyPeriodType();
    Period p = wpt.createPeriod( testDate.toDate() );

    DateTime startDate = new DateTime( 2009, 4, 27, 0, 0 );
    DateTime endDate = new DateTime( 2009, 5, 3, 0, 0 );

    assertFalse( "start date after given date", startDate.isAfter( p.getStartDate().getTime() ) );
    assertFalse( "end date before given date", endDate.isAfter( p.getEndDate().getTime() ) );


    assertTrue( startDate.getDayOfWeek() == DateTimeConstants.MONDAY );
    assertTrue( endDate.getDayOfWeek() == DateTimeConstants.SUNDAY );
}
 

import org.joda.time.DateTimeConstants; //導入依賴的package包/類
@Scheduled(fixedRate=DateTimeConstants.MILLIS_PER_DAY)
public void run() {
    LocalDateTime lastImport = service.getLastImportDate(PublicationSource.ARXIV);
    for (String feedKey : FEEDS) {
        SyndFeedInput input = new SyndFeedInput();
        try {
            SyndFeed feed = input.build(new XmlReader(new URL(ROOT_RSS_URL + feedKey)));
            List<String> ids = new ArrayList<String>(feed.getEntries().size());
            for (SyndEntry entry : feed.getEntries()) {
                ids.add(entry.getLink().replace(URI_PREFIX, ""));
            }
            
            URL url = new URL("http://export.arxiv.org/api/query?id_list=" + joiner.join(ids) + "&max_results=100");
            try (InputStream inputStream = url.openStream()) {
                List<Publication> publications = extractPublications(inputStream, lastImport, ids.size());
                publications = publications.stream().filter(p -> p.getCreated().isAfter(lastImport)).collect(Collectors.toList());
                logger.info("Obtained publications from arxiv for category {}: {}", feedKey, publications.size());
                service.storePublication(publications);
            }
            
        } catch (IllegalArgumentException | FeedException | IOException e) {
            logger.error("Problem getting arxiv RSS feed", e);
        }
    }
}