spring rest mvc 如何通过interceptor postHandle 获取controller 方法的返回值

Question

比如，controller （RestController）为：

    @RequestMapping( value="/query/races", method = { RequestMethod.POST} )
    @ResponseBody
    public Object queryAll() {
        return raceMapper.selectAll();
    }

如何在postHandle获取上述方法的 object， 并替换成别的object？

    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
                           ModelAndView modelAndView) throws Exception {