Question

How do I get the request/response that I can setcookie? Additionally, at the end of this method, how can I can redirect to another page?

@RequestMapping(value = "/dosomething", method = RequestMethod.GET)
public RETURNREDIRECTOBJ dosomething() throws IOException {
    ....
    return returnredirectpagejsp;
}

Answer 1

How about this:

@RequestMapping(value = "/dosomething", method = RequestMethod.GET)
public ModelAndView dosomething(HttpServletRequest request, HttpServletResponse response)  throws IOException {
    // setup your Cookie here
    response.setCookie(cookie)
    ModelAndView mav = new ModelAndView();
    mav.setViewName("redirect:/other-page");

    return mav;
}