Spring MVC - Session - Request

Question

I have a Spring MVC (3) Controller and I trying to put in the annotations but failed Heres my code outline

@Controller
public class SpringController{

@RequestMapping("/welcome")
public String myHandler(@RequestParam("id" String id)){

//My RequestParm is able to do the job of request.getParameter("id") 

  HttpSession session = request.getSession();

  session.setAttribute("name","Mike") ;

   return "myFirstJsp";

    }
@RequestMapping("/process")
public String processHandler(@RequestParam("processId" String processId)){

      //do stuff
      String someName = session.getAttribute("name");
      return "result";
        }

  }

Just for the sake of session object I have to declare HttpServletRequest and HttpSession. Is there anyway we can have a solution with @nnotations.

Thanks!

Answer 1

You can declare HttpSession or HttpServletRequest as arguments in your handler and they'll be automatically informed.

public String myHandler(@RequestParam("id") String id, HttpServletRequest request) { ... }

There are a lot of different arguments and results for handlers. You can see them here.

Answer 2

In case you haven't, you should look at this documentation on SessionAttributes, to see if it is applicable for you.

Answer 3

If you don't like using HttpSession and want something managed by Spring which also has more scope control you can use org.springframework.web.context.request.WebRequest:

public String myHandler(@RequestParam("id") String id, WebRequest request) {
    request.getAttribute("name", SCOPE_REQUEST);
    ... 
}