Class EraRules

java.lang.Object

org.graalvm.shadowed.com.ibm.icu.impl.EraRules

public class EraRules
extends Object

EraRules represents calendar era rules specified in supplementalData/calendarData.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MIN_ENCODED_START

Method Summary

Modifier and Type	Method	Description
int	getCurrentEraIndex()	Gets the current era index.
int	getEraIndex(int year, int month, int day)	Returns era index for the specified year/month/day.
static EraRules	getInstance(CalType calType, boolean includeTentativeEra)
int	getNumberOfEras()	Gets number of effective eras
int[]	getStartDate(int eraIdx, int[] fillIn)	Gets start date of an era
int	getStartYear(int eraIdx)	Gets start year of an era

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

MIN_ENCODED_START

public static final int MIN_ENCODED_START

Method Details

getInstance

public static EraRules getInstance(CalType calType,
 boolean includeTentativeEra)

getNumberOfEras

public int getNumberOfEras()

Gets number of effective eras

Returns:

number of effective eras

getStartDate

public int[] getStartDate(int eraIdx,
 int[] fillIn)

Gets start date of an era

Parameters:

eraIdx - Era index

fillIn - Receives date fields if supplied. If null, or size of array is less than 3, then a new int[] will be newly allocated.

Returns:

An int array including values of year, month, day of month in this order. When an era has no start date, the result will be January 1st in year whose value is minimum integer.

getStartYear

public int getStartYear(int eraIdx)

Gets start year of an era

Parameters:

eraIdx - Era index

Returns:

The first year of an era. When a era has no start date, minimum integer value is returned.

getEraIndex

public int getEraIndex(int year,
 int month,
 int day)

Returns era index for the specified year/month/day.

Parameters:

year - Year

month - Month (1-base)

day - Day of month

Returns:

era index (or 0, when the specified date is before the first era)

getCurrentEraIndex

public int getCurrentEraIndex()

Gets the current era index. This is calculated only once for an instance of EraRules. The current era calculation is based on the default time zone at the time of instantiation.

Returns:

era index of current era (or 0, when current date is before the first era)