Spring MVC referencing params variable from RequestMapping?

Use @RequestParam: @RequestMapping(value = "/path/to/{iconId}", method = RequestMethod. GET) public void webletIconData(@PathVariable String iconId, @RequestParam("size") String iconSize, HttpServletResponse response) throws IOException { ... } See also: 15.3.2.3 Supported handler method arguments and return types.

Axtavt is right I only want to explain what your mistake is: The @RequestMapping params parameter is a filter to make sure that the annotated handler method is only invoked if there is a parameter with the requested value. So a handler method annotated with @RequestMapping(params="action=doSomething") will be only invoked if there is an request parameter actionwith the content doSomething.

I'd say buy using a Model parameter: @RequestMapping(value = "/path/to/{iconId}", params="size={iconSize}", method = RequestMethod. GET) public void webletIconData( @PathVariable String iconId, Model model, HttpServletResponse response) throws IOException { Object iconSize = model.asMap(). Get("size"); // now cast or convert the object to Integer }.

Great, thanks a lot. I also found this: String iconSizeFromRequestParams = ServletRequestUtils. GetRequiredStringParameter(request, "size"); which also works.

– NomNomNom Feb 15 at 8:14.

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