Developing Java Applications with Spring and Spring Boot

The REST layer

We will use Spring WebFlux to expose our REST endpoints, and then we need to return Mono or Flux in our methods. The REST implementation should be like this:

package springfive.airline.airlineplanes.resource;import java.net.URI;import javax.validation.Valid;import org.springframework.http.HttpStatus;import org.springframework.http.ResponseEntity;import org.springframework.web.bind.annotation.DeleteMapping;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.PostMapping;import org.springframework.web.bind.annotation.PutMapping;import org.springframework.web.bind.annotation.RequestBody;import org.springframework.web.bind.annotation. ...