java.util.spi

## Class CurrencyNameProvider

- java.lang.Object
- - java.util.spi.LocaleServiceProvider
  - - java.util.spi.CurrencyNameProvider

-     public abstract class CurrencyNameProvider
      extends LocaleServiceProvider

  An abstract class for service providers that provide localized currency symbols and display names for the `Currency` class. Note that currency symbols are considered names when determining behaviors described in the `LocaleServiceProvider` specification.
  Since:
    1.6

- - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `CurrencyNameProvider()` Sole constructor.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getDisplayName(String currencyCode, Locale locale)` Returns a name for the currency that is appropriate for display to the user.
    `abstract String` | `getSymbol(String currencyCode, Locale locale)` Gets the symbol of the given currency code for the specified locale.

    - ### 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

    - #### CurrencyNameProvider

          protected CurrencyNameProvider()

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

  - ### Method Detail

    - #### getSymbol

          public abstract String getSymbol(String currencyCode,
                         Locale locale)

      Gets the symbol of the given currency code for the specified locale. For example, for "USD" (US Dollar), the symbol is "$" if the specified locale is the US, while for other locales it may be "US$". If no symbol can be determined, null should be returned.
      Parameters:
        `currencyCode` - the ISO 4217 currency code, which consists of three upper-case letters between 'A' (U+0041) and 'Z' (U+005A)
        `locale` - the desired locale
      Returns:
        the symbol of the given currency code for the specified locale, or null if the symbol is not available for the locale
      Throws:
        `NullPointerException` - if `currencyCode` or `locale` is null
        `IllegalArgumentException` - if `currencyCode` is not in the form of three upper-case letters, or `locale` isn't one of the locales returned from `getAvailableLocales()`.
      See Also:
        `Currency.getSymbol(java.util.Locale)`

    - #### getDisplayName

          public String getDisplayName(String currencyCode,
                              Locale locale)

      Returns a name for the currency that is appropriate for display to the user. The default implementation returns null.
      Parameters:
        `currencyCode` - the ISO 4217 currency code, which consists of three upper-case letters between 'A' (U+0041) and 'Z' (U+005A)
        `locale` - the desired locale
      Returns:
        the name for the currency that is appropriate for display to the user, or null if the name is not available for the locale
      Throws:
        `IllegalArgumentException` - if `currencyCode` is not in the form of three upper-case letters, or `locale` isn't one of the locales returned from `getAvailableLocales()`.
        `NullPointerException` - if `currencyCode` or `locale` is `null`
      Since:
        1.7

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