class LocaleInfo {

 /**
  * Currently we only support getting the currently running locale, so this
  * is a static.  In the future, we would need a hash map from locale names
  * to LocaleInfo instances.
  */
 static LocaleInfo instance = new LocaleInfo(new LocaleInfoImpl()); //, new CldrImpl());

 /**
  * Returns an array of available locale names.
  */
 static List<String> getAvailableLocaleNames() {
   /*
    * The set of all locales is constant across all permutations, so this
    * is static.  Ideally, the set of available locales would be generated
    * by a different GWT.create but that would slow the compilation process
    * unnecessarily.
    *
    * This is static, and accesses infoImpl this way, with an eye towards
    * when we implement static LocaleInfo getLocale(String localeName) as
    * you might want to get the list of available locales in order to create
    * instances of each of them.
    */
   return instance.infoImpl.getAvailableLocaleNames();
 }

 /**
  * Returns a LocaleInfo instance for the current locale.
  */
 static LocaleInfo getCurrentLocale() {
   /*
    * In the future, we could make additional static methods which returned a
    * LocaleInfo instance for a specific locale (from the set of those the app
    * was compiled with), accessed via a method like:
    *    public static LocaleInfo getLocale(String localeName)
    */
   return instance;
 }
 
 /**
  * Returns true if any locale supported by this build of the app is RTL.
  */
 static bool hasAnyRTL() {
   return instance.infoImpl.hasAnyRTL();
 }

 LocaleInfoImpl infoImpl;

//  CldrImpl cldrImpl;
 DateTimeFormatInfo dateTimeFormatInfo;

 NumberConstants numberConstants;

 /**
  * Create a LocaleInfo instance, passing in the implementation classes.
  *
  * @param impl LocaleInfoImpl instance to use
  * @param cldr CldrImpl instance to use
  */
 LocaleInfo([this.infoImpl = null]); //, this.cldrImpl = null]);

 /**
  * Returns true if this locale is right-to-left instead of left-to-right.
  */
 bool isRTL() {
   return false; //cldrImpl.isRTL();
 }

 /**
  * Returns a DateTimeConstants instance for this locale.
  */
 DateTimeFormatInfo getDateTimeFormatInfo() {
   ensureDateTimeFormatInfo();
   return dateTimeFormatInfo;
 }

 void ensureDateTimeFormatInfo() {
   if (dateTimeFormatInfo == null) {
     dateTimeFormatInfo = infoImpl.getDateTimeFormatInfo();
   }
 }

 /**
  * Returns a NumberConstants instance for this locale.
  */
 NumberConstants getNumberConstants() {
   ensureNumberConstants();
   return numberConstants;
 }

 void ensureNumberConstants() {
   if (numberConstants == null) {
     numberConstants = infoImpl.getNumberConstants();
   }
 }

}