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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

Modifier	Constructor and Description
protected	LocaleNameProvider() Sole constructor.

Method Summary

Modifier and Type	Method and Description
abstract String	getDisplayCountry(String countryCode, Locale locale) Returns a localized name for the given IETF BCP47 region code (either ISO 3166 country code or UN M.49 area codes) 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 IETF BCP47 language code and the given locale that is appropriate for display to the user.
abstract String	getDisplayScript(String scriptCode, Locale locale) Returns a localized name for the given IETF BCP47 script 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 IETF BCP47 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 language code string in the form of two to eight 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 or three lower-case letters, or locale isn't one of the locales returned from getAvailableLocales().

See Also:

Locale.getDisplayLanguage(java.util.Locale)

getDisplayScript

public abstract String getDisplayScript(String scriptCode,
                                        Locale locale)

Returns a localized name for the given IETF BCP47 script code and the given locale that is appropriate for display to the user. For example, if scriptCode is "Latn" and locale is en_US, getDisplayScript() will return "Latin"; if scriptCode is "Cyrl" and locale is fr_FR, getDisplayScript() will return "cyrillique". If the name returned cannot be localized according to locale, (say, the provider does not have a Japanese name for Cyrillic), this method returns null.

Parameters:

scriptCode - the four letter script code string in the form of title-case letters (the first letter is upper-case character between 'A' (U+0041) and 'Z' (U+005A) followed by three lower-case character between 'a' (U+0061) and 'z' (U+007A)).

locale - the desired locale

Returns:

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

Throws:

NullPointerException - if scriptCode or locale is null

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

Since:

1.7

See Also:

Locale.getDisplayScript(java.util.Locale)

getDisplayCountry

public abstract String getDisplayCountry(String countryCode,
                                         Locale locale)

Returns a localized name for the given IETF BCP47 region code (either ISO 3166 country code or UN M.49 area codes) 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 country(region) code string in the form of two upper-case letters between 'A' (U+0041) and 'Z' (U+005A) or the UN M.49 area code in the form of three digit letters between '0' (U+0030) and '9' (U+0039).

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 three digit 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)