/*
* This method find the appropriate Manifest Localization file inside the
* bundle. If not found, return null.
*/
ResourceBundle getResourceBundle(String localeString, boolean isDefaultLocale) {
BundleResourceBundle resourceBundle = lookupResourceBundle(localeString);
if (isDefaultLocale) return (ResourceBundle) resourceBundle;
// need to determine if this is resource bundle is an empty stem
// if it is then the default locale should be used
if (resourceBundle == null || resourceBundle.isStemEmpty())
return (ResourceBundle) lookupResourceBundle(Locale.getDefault().toString());
return (ResourceBundle) resourceBundle;
}