@Autowired
    private Call call;

    public Map<String, Object> mapInfo() {
        Map<String, Object> map = new HashMap<String, Object>();
        Class noparams[] = {};

        Class refClass = call.getClass();
        Method[] cMetods = refClass.getInterfaces()[0].getMethods();

        try {
            for(Method cMetod : cMetods) {
                Method method = refClass.getDeclaredMethod(cMetod.getName(), noparams);
                map.put(cMetod.getName(), method.invoke(call, null ));
            };
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
        return map;
    }

public interface Call {
    public String service();
    public String serviceXL();
    public String phoneNumber();
    public String language();
    public String languageXL();
    public String serviceDate() throws ParseException;
    public String serviceTime() throws ParseException;
    public String serviceTimeXLstart() throws ParseException;
    public String serviceTimeXLend() throws ParseException;
    public List<String> callList();
}