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java.util.spi
Class LocaleNameProvider

java.lang.Object
  java.util.spi.LocaleServiceProvider
      java.util.spi.LocaleNameProvider

public abstract class LocaleNameProvider
extends LocaleServiceProvider

An abstract class for service providers that provide localized names for the Locale class.

Since:

1.6

Constructor Summary

protected

LocaleNameProvider() Sole constructor.

Method Summary

abstract String	getDisplayCountry(String countryCode, Locale locale) Returns a localized name for the given ISO 3166 country code and the given locale that is appropriate for display to the user.
abstract String	getDisplayLanguage(String languageCode, Locale locale) Returns a localized name for the given ISO 639 language code and the given locale that is appropriate for display to the user.
abstract String	getDisplayVariant(String variant, Locale locale) Returns a localized name for the given variant code and the given locale that is appropriate for display to the user.

Methods inherited from class java.util.spi.LocaleServiceProvider

getAvailableLocales

Methods inherited from class java.lang.Object

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

Constructor Detail

LocaleNameProvider

protected LocaleNameProvider()

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

Method Detail

getDisplayLanguage

public abstract String getDisplayLanguage(String languageCode,
                                          Locale locale)

Returns a localized name for the given ISO 639 language code and the given locale that is appropriate for display to the user. For example, if languageCode is "fr" and locale is en_US, getDisplayLanguage() will return "French"; if languageCode is "en" and locale is fr_FR, getDisplayLanguage() will return "anglais". If the name returned cannot be localized according to locale, (say, the provider does not have a Japanese name for Croatian), this method returns null.

Parameters:

languageCode - the ISO 639 language code string in the form of two lower-case letters between 'a' (U+0061) and 'z' (U+007A)

locale - the desired locale

Returns:

the name of the given language code for the specified locale, or null if it's not available.

Throws:

NullPointerException - if languageCode or locale is null

IllegalArgumentException - if languageCode is not in the form of two lower-case letters, or locale isn't one of the locales returned from getAvailableLocales().

See Also:

Locale.getDisplayLanguage(java.util.Locale)

getDisplayCountry

public abstract String getDisplayCountry(String countryCode,
                                         Locale locale)

Returns a localized name for the given ISO 3166 country code and the given locale that is appropriate for display to the user. For example, if countryCode is "FR" and locale is en_US, getDisplayCountry() will return "France"; if countryCode is "US" and locale is fr_FR, getDisplayCountry() will return "Etats-Unis". If the name returned cannot be localized according to locale, (say, the provider does not have a Japanese name for Croatia), this method returns null.

Parameters:

countryCode - the ISO 3166 country code string in the form of two upper-case letters between 'A' (U+0041) and 'Z' (U+005A)

locale - the desired locale

Returns:

the name of the given country code for the specified locale, or null if it's not available.

Throws:

NullPointerException - if countryCode or locale is null

IllegalArgumentException - if countryCode is not in the form of two upper-case letters, or locale isn't one of the locales returned from getAvailableLocales().

See Also:

Locale.getDisplayCountry(java.util.Locale)

getDisplayVariant

public abstract String getDisplayVariant(String variant,
                                         Locale locale)

Returns a localized name for the given variant code and the given locale that is appropriate for display to the user. If the name returned cannot be localized according to locale, this method returns null.

Parameters:

variant - the variant string

locale - the desired locale

Returns:

the name of the given variant string for the specified locale, or null if it's not available.

Throws:

NullPointerException - if variant or locale is null

IllegalArgumentException - if locale isn't one of the locales returned from getAvailableLocales().

See Also:

Locale.getDisplayVariant(java.util.Locale)