Java by API/java.text.spi/DateFormatProvider

extends DateFormatProvider

   <source lang="java">
 

import java.text.DateFormat; import java.text.SimpleDateFormat; import java.text.spi.DateFormatProvider; import java.util.Date; import java.util.Locale; public class Main {

   public static void main(String [] args) {
       Date now = new Date();
       DateFormat defaultFormat = DateFormat.getDateTimeInstance();
       String defaultString = defaultFormat.format (now);
       System.out.println ("Default : " + defaultString);
       DateFormat antarcticaFormat =
               DateFormat.getDateTimeInstance (
               DateFormat.FULL, DateFormat.FULL,
               new Locale ("en", "AQ"));
       String antarcticaString = antarcticaFormat.format (now);
       System.out.println ("Antarctica: " + antarcticaString);
   }

} class DateFormatProviderImpl extends DateFormatProvider {

   private Locale ca = new Locale ("en", "CA");
   public Locale[] getAvailableLocales() {
       return new Locale [] {ca};
   }
   public DateFormat getTimeInstance(int style, Locale locale) {
       if (locale.equals(ca)) {
           return new SimpleDateFormat("HH.mm.ss");
       }
       return null;
   }
   public DateFormat getDateTimeInstance(int dateStyle, Locale locale) {
       if (locale.equals(ca)) {
           return new SimpleDateFormat("yyyy");
       }
       return null;
   }
   public DateFormat getDateTimeInstance(int dateStyle,
          int timeStyle, Locale locale) {
       if (locale.equals(ca)) {
           return new SimpleDateFormat("yyyy/MM/dd");
       }
       return null;
   }
   @Override
   public DateFormat getDateInstance(int style, Locale locale) {
     if (locale.equals(ca)) {
       return new SimpleDateFormat("MM/dd");
     }
     return null;
   }

}

 </source>