I am working on Spring MVC controller project in which I am making a GET URL call from the browser -
Below is the url by which I am making a GET call from the browser -
http://127.0.0.1:8080/testweb/processing?workflow=test&conf=20140324&dc=all
And below is the code in which the call comes after hitting at the browser -
@RequestMapping(value = "processing", method = RequestMethod.GET)
public @ResponseBody ProcessResponse processData(@RequestParam("workflow") final String workflow,
@RequestParam("conf") final String value, @RequestParam("dc") final String dc) {
System.out.println(workflow);
System.out.println(value);
System.out.println(dc);
// some other code
}
Problem Statement:-
Now is there any way, I can extract IP Address from some header? Meaning I would like to know from which IP Address, call is coming, meaning whoever is calling above URL, I need to know their IP Address. Is this possible to do?
The solution is
@RequestMapping(value = "processing", method = RequestMethod.GET)
public @ResponseBody ProcessResponse processData(@RequestParam("workflow") final String workflow,
@RequestParam("conf") final String value, @RequestParam("dc") final String dc, HttpServletRequest request) {
System.out.println(workflow);
System.out.println(value);
System.out.println(dc);
System.out.println(request.getRemoteAddr());
// some other code
}
Add HttpServletRequest request
to your method definition and then use the Servlet API
Spring Documentation here said in
15.3.2.3 Supported handler method arguments and return types
Handler methods that are annotated with @RequestMapping can have very flexible signatures.
Most of them can be used in arbitrary order (see below for more details).
Request or response objects (Servlet API). Choose any specific request or response type,
for example ServletRequest or HttpServletRequest