Spring 5.0 Projects

Defining the RESTful API controller for country resource

Let's define the RESTful API controller for the country resource. The following is the template for the controller:

@RestController@RequestMapping("/api/countries")@Slf4jpublic class CountryAPIController {    @Autowired CountryDAO countryDao;  @Autowired WorldBankApiClient worldBankApiClient;    @GetMapping  public ResponseEntity<?> getCountries(    @RequestParam(name="search", required = false) String searchTerm,    @RequestParam(name="continent", required = false) String continent,    @RequestParam(name="region", required = false) String region,    @RequestParam(name="pageNo", required = false) Integer pageNo  ){    //logic to fetch contries from CountryDAO    return ResponseEntity.ok();  }   @PostMapping(value ...