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Class CalendarDataProvider

java.lang.Object
java.util.spi.LocaleServiceProvider
java.util.spi.CalendarDataProvider
public abstract class CalendarDataProvider extends LocaleServiceProvider
An abstract class for service providers that provide locale-dependent Calendar parameters.
Since:
1.8
See Also:
  • CalendarNameProvider

Constructor Summary

CalendarDataProvider()
Modifier Constructor Description
protected
Sole constructor.

Method Summary

Modifier and Type Method Description
abstract int getFirstDayOfWeek(Locale locale)
Returns the first day of a week in the given locale.
abstract int getMinimalDaysInFirstWeek(Locale locale)
Returns the minimal number of days required in the first week of a year.

Methods declared in class LocaleServiceProvider

getAvailableLocales, isSupportedLocale
Modifier and Type Method Description
abstract Locale[] getAvailableLocales()
Returns an array of all locales for which this locale service provider can provide localized objects or names.
boolean isSupportedLocale(Locale locale)
Returns true if the given locale is supported by this locale service provider.

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Modifier and Type Method Description
protected Object clone()
Creates and returns a copy of this object.
boolean equals(Object obj)
Indicates whether some other object is "equal to" this one.
protected void finalize()
Deprecated, for removal: This API element is subject to removal in a future version.
Finalization is deprecated and subject to removal in a future release.
final Class<?> getClass()
Returns the runtime class of this Object.
int hashCode()
Returns a hash code value for this object.
final void notify()
Wakes up a single thread that is waiting on this object's monitor.
final void notifyAll()
Wakes up all threads that are waiting on this object's monitor.
String toString()
Returns a string representation of the object.
final void wait()
Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Constructor Details

CalendarDataProvider

protected CalendarDataProvider()
Sole constructor. (For invocation by subclass constructors, typically implicit.)

Method Details

getFirstDayOfWeek

public abstract int getFirstDayOfWeek(Locale locale)
Returns the first day of a week in the given locale. This information is required by Calendar to support operations on the week-related calendar fields.
Parameters:
locale - the desired locale
Returns:
the first day of a week; one of Calendar.SUNDAY .. Calendar.SATURDAY, or 0 if the value isn't available for the locale
Throws:
NullPointerException - if locale is null.
See Also:
  • Calendar.getFirstDayOfWeek()
  • First Week

getMinimalDaysInFirstWeek

public abstract int getMinimalDaysInFirstWeek(Locale locale)
Returns the minimal number of days required in the first week of a year. This information is required by Calendar to determine the first week of a year. Refer to the description of how Calendar determines the first week.
Parameters:
locale - the desired locale
Returns:
the minimal number of days of the first week, or 0 if the value isn't available for the locale
Throws:
NullPointerException - if locale is null.
See Also:
  • Calendar.getMinimalDaysInFirstWeek()

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