Module java.base

Package java.time.chrono

Class ThaiBuddhistChronology

java.lang.Object

java.time.chrono.AbstractChronology

java.time.chrono.ThaiBuddhistChronology

All Implemented Interfaces:

Serializable, Comparable<Chronology>, Chronology

public final class ThaiBuddhistChronology
extends AbstractChronology
implements Serializable

The Thai Buddhist calendar system.

This chronology defines the rules of the Thai Buddhist calendar system. This calendar system is primarily used in Thailand. Dates are aligned such that 2484-01-01 (Buddhist) is 1941-01-01 (ISO).

The fields are defined as follows:

• era - There are two eras, the current 'Buddhist' (ERA_BE) and the previous era (ERA_BEFORE_BE).
• year-of-era - The year-of-era for the current era increases uniformly from the epoch at year one. For the previous era the year increases from one as time goes backwards. The value for the current era is equal to the ISO proleptic-year plus 543.
• proleptic-year - The proleptic year is the same as the year-of-era for the current era. For the previous era, years have zero, then negative values. The value is equal to the ISO proleptic-year plus 543.
• month-of-year - The ThaiBuddhist month-of-year exactly matches ISO.
• day-of-month - The ThaiBuddhist day-of-month exactly matches ISO.
• day-of-year - The ThaiBuddhist day-of-year exactly matches ISO.
• leap-year - The ThaiBuddhist leap-year pattern exactly matches ISO, such that the two calendars are never out of step.

Implementation Requirements:

This class is immutable and thread-safe.

Since:

1.8

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static ThaiBuddhistChronology	INSTANCE	Singleton instance of the Buddhist chronology.

Method Summary

Modifier and Type	Method	Description
ThaiBuddhistDate	date(int prolepticYear, int month, int dayOfMonth)	Obtains a local date in Thai Buddhist calendar system from the proleptic-year, month-of-year and day-of-month fields.
ThaiBuddhistDate	date(Era era, int yearOfEra, int month, int dayOfMonth)	Obtains a local date in Thai Buddhist calendar system from the era, year-of-era, month-of-year and day-of-month fields.
ThaiBuddhistDate	dateEpochDay(long epochDay)	Obtains a local date in the Thai Buddhist calendar system from the epoch-day.
ThaiBuddhistDate	dateYearDay(int prolepticYear, int dayOfYear)	Obtains a local date in Thai Buddhist calendar system from the proleptic-year and day-of-year fields.
ThaiBuddhistDate	dateYearDay(Era era, int yearOfEra, int dayOfYear)	Obtains a local date in Thai Buddhist calendar system from the era, year-of-era and day-of-year fields.
String	getCalendarType()	Gets the calendar type of the underlying calendar system - 'buddhist'.
String	getId()	Gets the ID of the chronology - 'ThaiBuddhist'.
boolean	isLeapYear(long prolepticYear)	Checks if the specified year is a leap year.

Methods declared in class java.time.chrono.AbstractChronology

compareTo, equals, hashCode, resolveDate, toString

Methods declared in interface java.time.chrono.Chronology

date, dateNow, dateNow, dateNow, epochSecond, epochSecond, eraOf, eras, getDisplayName, localDateTime, period, prolepticYear, range, zonedDateTime, zonedDateTime

Methods declared in class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

INSTANCE

public static final ThaiBuddhistChronology INSTANCE

Singleton instance of the Buddhist chronology.

Method Detail

getId

public String getId()

Gets the ID of the chronology - 'ThaiBuddhist'.

The ID uniquely identifies the Chronology. It can be used to lookup the Chronology using Chronology.of(String).

Specified by:

getId in interface Chronology

Returns:

the chronology ID - 'ThaiBuddhist'

See Also:

getCalendarType()

getCalendarType

public String getCalendarType()

Gets the calendar type of the underlying calendar system - 'buddhist'.

The calendar type is an identifier defined by the Unicode Locale Data Markup Language (LDML) specification. It can be used to lookup the Chronology using Chronology.of(String). It can also be used as part of a locale, accessible via Locale.getUnicodeLocaleType(String) with the key 'ca'.

Specified by:

getCalendarType in interface Chronology

Returns:

the calendar system type - 'buddhist'

See Also:

getId()

date

public ThaiBuddhistDate date(Era era,
                             int yearOfEra,
                             int month,
                             int dayOfMonth)

Obtains a local date in Thai Buddhist calendar system from the era, year-of-era, month-of-year and day-of-month fields.

Specified by:

date in interface Chronology

Parameters:

era - the Thai Buddhist era, not null

yearOfEra - the year-of-era

month - the month-of-year

dayOfMonth - the day-of-month

Returns:

the Thai Buddhist local date, not null

Throws:

DateTimeException - if unable to create the date

ClassCastException - if the era is not a ThaiBuddhistEra

date

public ThaiBuddhistDate date(int prolepticYear,
                             int month,
                             int dayOfMonth)

Obtains a local date in Thai Buddhist calendar system from the proleptic-year, month-of-year and day-of-month fields.

Specified by:

date in interface Chronology

Parameters:

prolepticYear - the proleptic-year

month - the month-of-year

dayOfMonth - the day-of-month

Returns:

the Thai Buddhist local date, not null

Throws:

DateTimeException - if unable to create the date

dateYearDay

public ThaiBuddhistDate dateYearDay(Era era,
                                    int yearOfEra,
                                    int dayOfYear)

Obtains a local date in Thai Buddhist calendar system from the era, year-of-era and day-of-year fields.

Specified by:

dateYearDay in interface Chronology

Parameters:

era - the Thai Buddhist era, not null

yearOfEra - the year-of-era

dayOfYear - the day-of-year

Returns:

the Thai Buddhist local date, not null

Throws:

DateTimeException - if unable to create the date

ClassCastException - if the era is not a ThaiBuddhistEra

dateYearDay

public ThaiBuddhistDate dateYearDay(int prolepticYear,
                                    int dayOfYear)

Obtains a local date in Thai Buddhist calendar system from the proleptic-year and day-of-year fields.

Specified by:

dateYearDay in interface Chronology

Parameters:

prolepticYear - the proleptic-year

dayOfYear - the day-of-year

Returns:

the Thai Buddhist local date, not null

Throws:

DateTimeException - if unable to create the date

dateEpochDay

public ThaiBuddhistDate dateEpochDay(long epochDay)

Obtains a local date in the Thai Buddhist calendar system from the epoch-day.

Specified by:

dateEpochDay in interface Chronology

Parameters:

epochDay - the epoch day

Returns:

the Thai Buddhist local date, not null

Throws:

DateTimeException - if unable to create the date

isLeapYear

public boolean isLeapYear(long prolepticYear)

Checks if the specified year is a leap year.

Thai Buddhist leap years occur exactly in line with ISO leap years. This method does not validate the year passed in, and only has a well-defined result for years in the supported range.

Specified by:

isLeapYear in interface Chronology

Parameters:

prolepticYear - the proleptic-year to check, not validated for range

Returns:

true if the year is a leap year