Spring MVC @RestController and redirect

Question

I have a REST endpoint implemented with Spring MVC @RestController. Sometime, depends on input parameters in my controller I need to send http redirect on client.

I

Answer 1

To avoid any direct dependency on HttpServletRequest or HttpServletResponse I suggest a "pure Spring" implementation returning a ResponseEntity like this:

HttpHeaders headers = new HttpHeaders();
headers.setLocation(URI.create(newUrl));
return new ResponseEntity<>(headers, HttpStatus.MOVED_PERMANENTLY);

If your method always returns a redirect, use ResponseEntity, otherwise whatever is returned normally as generic type.