@RequestMapping(value="/create", method=RequestMethod.POST,
    consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
public String createRole(Hashmap<String, Object) keyVals) {
    ....
}

@RequestMapping(value="/create",
                method=RequestMethod.POST,
                consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
public String createRole(@RequestBody MultiValueMap<String, String> formData){
 // your code goes here
}

@RequestMapping(value="/create", method=RequestMethod.POST,
        consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
public String createRole(HttpServletRequest request) {
    Map<String, String[]> parameterMap = request.getParameterMap();
    ...
}