if (localeUrl == null && localeStored != null) {
if (OSWLocales.containsKey(localeStored)) {
OSWUrlBuilder urlBuilder = new OSWUrlBuilder();
urlBuilder.setParameter("locale", localeStored);
Window.Location.replace(urlBuilder.buildString());
} else {
OSWUrlBuilder urlBuilder = new OSWUrlBuilder();
urlBuilder.removeParameter("locale");
Window.Location.replace(urlBuilder.buildString());
}