try { String language = request.getParameter("language"); ResourceBundle bundle = ResourceBundle.getBundle("org.mmbase.kupu.Messages", language == null ? request.getLocale() : new Locale(language)); Enumeration keys = bundle.getKeys(); while(keys.hasMoreElements()) { String key = (String)keys.nextElement(); if (key.equals("")) continue; key bundle.getString(key) } } catch (Exception e) {}