Spring MVC referencing params variable from RequestMapping

Question

I have the method below:

@RequestMapping(value = \"/path/to/{iconId}\", params=\"size={iconSize}\", method = RequestMethod.GET)
public void webletIconData(@P         


        

Answer 1

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

Answer 2

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.