code: public static ResourceBundle getResourceBundle() {
  		final Locale currentLocale = getCurrentLocale();
  		if (Locale.ENGLISH.getLanguage().equals(currentLocale.getLanguage())) {
  			// there is no translations_en.properties because translations.properties is in English
  			// but if user is English, do not let getBundle fallback on server's default locale
  			return ResourceBundle.getBundle(RESOURCE_BUNDLE_BASE_NAME, ROOT_LOCALE);
  		}
  		// and if user is not English, use the bundle if it exists for his/her Locale
  		// or the bundle for the server's default locale if it exists
  		// or default (English) bundle otherwise
  		return ResourceBundle.getBundle(RESOURCE_BUNDLE_BASE_NAME, currentLocale);
  	}
docs: Retourne les traductions pour la locale courante.
  @return Locale