extends CurrencyNameProvider : CurrencyNameProvider « java.util.spi « Java by API

1. Java by API
2. java.util.spi
3. CurrencyNameProvider

extends CurrencyNameProvider

  
import java.util.Locale;
import java.util.spi.CurrencyNameProvider;

public class Main extends CurrencyNameProvider {
  final static Locale[] locales = new Locale[] { new Locale("ti", "ER") };

  public Locale[] getAvailableLocales() {
    return locales;
  }

  public String getSymbol(String currencyCode, Locale locale) {
    if (currencyCode == null || locale == null)
      throw new NullPointerException();

    if (currencyCode.length() != 3)
      throw new IllegalArgumentException("currency code length not 3");

    for (int i = 0; i < 3; i++)
      if (!Character.isUpperCase(currencyCode.charAt(i)))
        throw new IllegalArgumentException("bad currency code");

    if (!locale.equals(locales[0]))
      throw new IllegalArgumentException("unsupported locale");

    if (currencyCode.equals("ERN"))
      return "Nfk";
    else
      return null;
  }
}

   
    
  

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