header 를 이용한 api 버전관리

restful-web-service/src/main/java/com/example/restfulwebservice/user/AdminController.java

@@ -33,7 +33,9 @@ public class AdminController {
 
     // GET /admin/user/1 -> version 추가
 //    @GetMapping("/v1/users/{id}")
-    @GetMapping(value = "/users/{id}/", params = "version=1")
+//    @GetMapping(value = "/users/{id}/", params = "version=1")
+//    @GetMapping(value = "/users/{id}", headers = "X-API-VERSION=1")
+    @GetMapping(value = "/users/{id}", produces = "application/vnd.company.appv1+json")
     public MappingJacksonValue retrieveUserV1(@PathVariable int id) {
         User user = userDaoService.findOne(id);
 
@@ -51,7 +53,9 @@ public class AdminController {
         return mapping;
     }
 //    @GetMapping("/v2/users/{id}")
-    @GetMapping(value = "/users/{id}/", params = "version=2")
+//    @GetMapping(value = "/users/{id}/", params = "version=2")
+//    @GetMapping(value = "/users/{id}", headers = "X-API-VERSION=2")
+    @GetMapping(value = "/users/{id}", produces = "application/vnd.company.appv2+json")
     public MappingJacksonValue retrieveUserV2(@PathVariable int id) {
         User user = userDaoService.findOne(id);