Package com.vaadin.flow.internal

Class LocaleUtil

java.lang.Object

com.vaadin.flow.internal.LocaleUtil

public final class LocaleUtil
extends Object

Utility class for locale handling.

For internal use only. May be renamed or removed in a future release.

Since:

1.0

Method Summary

Modifier and Type	Method	Description
static Optional<Locale>	getExactLocaleMatch(VaadinRequest request, List<Locale> providedLocales)	Get the exact locale match for the given request in the provided locales.
static Optional<I18NProvider>	getI18NProvider()	Get the I18nProvider from the current VaadinService.
static Locale	getLocale()	Get the locale from the current UI or from the I18NProvider from the current VaadinService.
static Locale	getLocale(Supplier<Optional<I18NProvider>> i18NProvider)	Get the locale from the current UI or from the given I18NProvider.
static Optional<Locale>	getLocaleMatchByLanguage(VaadinRequest request, List<Locale> providedLocales)	Get the locale matching the language of the request locale in the provided locales.

Methods inherited from class java.lang.Object

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

Method Details

getExactLocaleMatch

public static Optional<Locale> getExactLocaleMatch(VaadinRequest request,
 List<Locale> providedLocales)

Get the exact locale match for the given request in the provided locales.

Parameters:

request - request to get locale for

providedLocales - application provided locales

Returns:

found locale or null if no exact matches

getLocaleMatchByLanguage

public static Optional<Locale> getLocaleMatchByLanguage(VaadinRequest request,
 List<Locale> providedLocales)

Get the locale matching the language of the request locale in the provided locales.

Parameters:

request - request to get locale for

providedLocales - application provided locales

Returns:

found locale or null if no matches by language

getI18NProvider

public static Optional<I18NProvider> getI18NProvider()

Get the I18nProvider from the current VaadinService.

Returns:

the optional value of I18nProvider

getLocale

public static Locale getLocale(Supplier<Optional<I18NProvider>> i18NProvider)

Get the locale from the current UI or from the given I18NProvider.

-> If UI is not null, then it is used to get the locale, -> if UI is null, then the I18NProvider providedLocales first match will be returned, -> if I18NProvider is null, then default locale is returned.

Parameters:

i18NProvider - - supplier for the i18n provider

Returns:

the locale for the UI

getLocale

public static Locale getLocale()

Get the locale from the current UI or from the I18NProvider from the current VaadinService.

-> If UI is not null, then it is used to get the locale, -> if UI is null, then the I18NProvider providedLocales first match will be returned, -> if I18NProvider is null, then default locale is returned.

Returns:

the locale for the UI