Package com.squarespace.cldrengine.api

Class CalendarDate

    • Field Detail

      • fields

        protected final long[] fields

      • firstDay

        protected final int firstDay

      • minDays

        protected final int minDays

    • Constructor Detail

      • CalendarDate

        protected CalendarDate​(CalendarType type,
                       int firstDay,
                       int minDays)

    • Method Detail

      • type

        public CalendarType type()
        Calendar type for this date, e.g. 'gregory' for Gregorian.

      • unixEpoch

        public long unixEpoch()
        Unix epoch with no timezone offset.

      • firstDayOfWeek

        public int firstDayOfWeek()

      • minDaysInFirstWeek

        public int minDaysInFirstWeek()

      • julianDay

        public double julianDay()
        Returns a floating point number representing the real Julian Day, UTC.

      • modifiedJulianDay

        public long modifiedJulianDay()
        CLDR's modified Julian day used as the basis for all date calculations.

      • era

        public long era()

      • extendedYear

        public long extendedYear()

      • year

        public long year()

      • relatedYear

        public long relatedYear()

      • yearOfWeekOfYear

        public long yearOfWeekOfYear()

      • weekOfYear

        public long weekOfYear()

      • yearOfWeekOfYearISO

        public long yearOfWeekOfYearISO()

      • weekOfYearISO

        public long weekOfYearISO()

      • month

        public long month()
        Ordinal month, one-based, e.g. Gregorian JANUARY = 1.

      • weekOfMonth

        public long weekOfMonth()
        Returns the week of the month computed using the locale's 'first day of week' and 'minimal days in first week' where applicable. For example, for the United States, weeks start on Sunday. Saturday 9/1/2018 would be in week 1, and Sunday 9/2/2018 would begin week 2. September Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

      • dayOfYear

        public long dayOfYear()

      • dayOfWeek

        public long dayOfWeek()
        Day of the week. 1 = SUNDAY, 2 = MONDAY, ..., 7 = SATURDAY

      • ordinalDayOfWeek

        public long ordinalDayOfWeek()
        Ordinal day of the week. 1 if this is the 1st day of the week, 2 if the 2nd, etc. Depends on the local starting day of the week.

      • dayOfWeekInMonth

        public long dayOfWeekInMonth()
        Ordinal number indicating the day of the week in the current month. The result of this method can be used to format messages like "2nd Sunday in August".

      • dayOfMonth

        public long dayOfMonth()

      • isAM

        public boolean isAM()

      • hour

        public long hour()
        Indicates the hour of the morning or afternoon, used for the 12-hour clock (0 - 11). Noon and midnight are 0, not 12.

      • hourOfDay

        public long hourOfDay()
        Indicates the hour of the day, used for the 24-hour clock (0 - 23). Noon is 12 and midnight is 0.

      • minute

        public long minute()
        Indicates the minute of the hour (0 - 59).

      • second

        public long second()
        Indicates the second of the minute (0 - 59).

      • milliseconds

        public long milliseconds()

      • millisecondsInDay

        public long millisecondsInDay()

      • metaZoneId

        public java.lang.String metaZoneId()

      • timeZoneId

        public java.lang.String timeZoneId()

      • timeZoneStableId

        public java.lang.String timeZoneStableId()

      • timeZoneOffset

        public int timeZoneOffset()

      • timeZoneAbbr

        public java.lang.String timeZoneAbbr()

      • isLeapYear

        public boolean isLeapYear()

      • isDaylightSavings

        public boolean isDaylightSavings()

      • fieldOfVisualDifference

        public DateTimePatternFieldType fieldOfVisualDifference​(CalendarDate other)
        Computes the field of visual difference between the two dates. Note: This assumes the dates are of the same type and have the same timezone offset.

      • compare

        public int compare​(CalendarDate other)
        Compare two dates a and b, returning: a < b -> -1 a = b -> 0 a > b -> 1

      • relativeTime

        public Pair<TimePeriodField,​java.lang.Double> relativeTime​(CalendarDate other,
                                                                 TimePeriodField field)
        Calculate the relative time between two dates. If a field is specified the time will be calculated in terms of that single field. Otherwise the field of greatest difference will be used.

      • difference

        public TimePeriod difference​(CalendarDate other,
                             java.util.List<TimePeriodField> fields)
        Calculate the time period between two dates. Note this returns the absolute value.

      • withZone

        public abstract CalendarDate withZone​(java.lang.String zoneId)

      • initFields

        protected abstract void initFields​(long[] f)

      • monthCount

        protected abstract int monthCount()

      • daysInMonth

        protected abstract int daysInMonth​(long year,
                                   int month)

      • daysInYear

        protected abstract int daysInYear​(long year)

      • monthStart

        protected abstract long monthStart​(long eyear,
                                   double month,
                                   boolean useMonth)

      • _rollup

        protected TimePeriod _rollup​(TimePeriod span,
                             long[] sf,
                             long[] ef,
                             java.util.List<TimePeriodField> fields)
        Roll up time period fields into a subset of fields.

      • _diff

        protected TimePeriod _diff​(CalendarDate s,
                           long[] sf,
                           long[] ef)
        Compute the number of years, months, days, etc, between two dates. The result will have all fields as integers.

      • timePeriodFieldFlags

        protected int timePeriodFieldFlags​(java.util.List<TimePeriodField> fields)

      • _add

        protected Pair<java.lang.Long,​java.lang.Double> _add​(TimePeriod fields)
        Compute a new Julian day and milliseconds UTC by updating one or more fields.

      • _addTime

        protected Pair<java.lang.Long,​java.lang.Double> _addTime​(TimePeriod fields)
        Converts all time fields into [days, milliseconds].

      • splitfrac

        protected Pair<java.lang.Long,​java.lang.Double> splitfrac​(double n)

      • initFromUnixEpoch

        protected void initFromUnixEpoch​(long ms,
                                 java.lang.String zoneId)

      • initFromJD

        protected void initFromJD​(long jd,
                          long msDay,
                          java.lang.String zoneId)

      • _toString

        protected java.lang.String _toString​(java.lang.String type)

      • computeWeekFields

        protected void computeWeekFields()
        Compute WEEK_OF_YEAR and YEAR_WOY on demand.

      • _computeWeekFields

        protected void _computeWeekFields​(int woyfield,
                                  int ywoyfield,
                                  long firstDay,
                                  long minDays,
                                  long dow,
                                  long dom,
                                  long doy)

      • yearLength

        protected long yearLength​(long y)

      • weekNumber

        protected static long weekNumber​(long firstDay,
                                 long minDays,
                                 long desiredDay,
                                 long dayOfPeriod,
                                 long dayOfWeek)

      • utcfields

        protected long[] utcfields()

      • jdFromUnixEpoch

        protected void jdFromUnixEpoch​(long ms,
                               long[] f)
        Compute Julian day from timezone-adjusted Unix epoch milliseconds.

      • unixEpochFromJD

        protected long unixEpochFromJD​(long jd,
                               long msDay)
        Given a Julian day and local milliseconds (in UTC), return the Unix epoch milliseconds UTC.

      • computeBaseFields

        protected void computeBaseFields​(long[] f)
        Compute fields common to all calendars. Before calling this, we must have the JULIAN_DAY and MILLIS_IN_DAY fields set. Every calculation is relative to these.

      • checkJDRange

        protected long checkJDRange​(long jd)