Are there any differences between getting session through HttpServletRequest.getSession() and HttpSession injected in controller's method?
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i believe both are same :)Ramesh Kotha– Ramesh Kotha2014-09-16 16:42:37 +00:00Commented Sep 16, 2014 at 16:42
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1 Answer
Basically there is no diffrerence between the session object injected into a Spring MVC controller:
@RequestMapping(value = "/somepath", method = RequestMethod.POST)
@ResponseBody
public JsonResponse someMethod (HttpSession session)
{
// play with session attributes
}
And the session object retrieved from the HttpServletRequest:
@RequestMapping(value = "/somepath", method = RequestMethod.POST)
@ResponseBody
public JsonResponse someMethod (HttpServletRequest request)
{
Session session = request.getSession();
// You are playin with the same session attributes.
}
The former style just provide you with a facility to get the contextual HttpSession object by injecting it as a controller argument so that Spring takes care of the all the dirty stuff for you.
