Java tutorial
package br.com.avelar.bac.controllers; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.CrossOrigin; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import br.com.avelar.bac.car.Car; import br.com.avelar.bac.car.CarService; @RestController @RequestMapping("/car") public class CarController { private CarService service; @Autowired public CarController(CarService service) { this.service = service; } @CrossOrigin @RequestMapping("/license/{license}") public ResponseEntity<Car> findByLicense(@PathVariable String license) { Car Car = service.findOne(license); if (Car == null) { return new ResponseEntity<Car>(HttpStatus.NOT_FOUND); } return new ResponseEntity<Car>(Car, HttpStatus.OK); } @CrossOrigin @RequestMapping("/description/{description}") public ResponseEntity<List<Car>> findByDescription(@PathVariable String description) { List<Car> cars = service.findByDescription(description); return new ResponseEntity<List<Car>>(cars, HttpStatus.OK); } @CrossOrigin @RequestMapping("/model/{model}") public ResponseEntity<List<Car>> findByModel(@PathVariable("model") String model) { List<Car> cars = service.findByModel(model); return new ResponseEntity<List<Car>>(cars, HttpStatus.OK); } @CrossOrigin @RequestMapping("/all") public ResponseEntity<List<Car>> findAll() { return new ResponseEntity<List<Car>>(service.findAll(), HttpStatus.OK); } }