User Controller - Copy this React, Tailwind Component to your project

@RestController-@RequestMapping("/api")-public-class-UserController-{-private-static-final-Logger-LOG-=-LoggerFactory.getLogger(UserController.class);-@Autowired-private-UserService-userService;-@GetMapping("/user")-public-ResponseEntity<UserIdentity>-getCurrentUser(HttpServletRequest-httpServletRequest)-{-HttpStatus-status;-UserIdentity-user-=-null;-try-{-user-=-userService.getUserDetails(httpServletRequest);-}-catch-(Exception-e)-{-LOG.error(e.getStackTrace().toString());-}-status-=-nonNull(user)-?-HttpStatus.OK-:-HttpStatus.INTERNAL_SERVER_ERROR;-return-new-ResponseEntity<>(user,-status);-}-explain