private  Map<String, Object> introspect(Object obj) throws Exception {

        Map<String, Object> result = new HashMap<String, Object>();

        BeanInfo info = Introspector.getBeanInfo(obj.getClass());

        for (PropertyDescriptor pd : info.getPropertyDescriptors()) {

            Method reader = pd.getReadMethod();

            if (reader != null)

                result.put(pd.getName(), reader.invoke(obj));

        }

        return result;

    }