@RestController
public class UserControllerRest {
    private UserRepository repository;

    public UserControllerRest(UserRepository repository) {
        this.repository = repository;
    }

    @RequestMapping(value = "/api/userList", params = "username")
    public Users getUser(@RequestParam("username") String username) {
        System.out.println(username);
        return repository.findUsersByNickname(username);
    }

    @RequestMapping(value = "/api/useList")
    public Collection<Users> getUsers() {
        System.out.println("Empty");
        return repository.findAll();
    }
}