HOWTO.md

Référence : https://docs.spring.io/spring-boot/docs/current/reference/html/index.html

initialiser un projet avec https://start.spring.io/
- maven
- java
- 2.0.0.M7
ajouter un service HelloService (component -> service, repository, controller) qui retourne un Greeting.

public class HelloService {
    public String hello(String name) {...}

Écrire le test

@RunWith(SpringRunner.class)
@SpringBootTest
public class HelloServiceTest {

    @Autowired
    private HelloService helloService;
    
    @Test
    public void simple() {
       ...
    }
}

Exécuter Run focus test method
Implementer CommandLineRunner
- injecter le service

@SpringBootApplication
public class App implements CommandLineRunner{
    
    @Autowired
    private HelloService helloService;
    
    @Override
    public void run(String... args) throws Exception {
        System.out.println(helloService.hello("Agfa"));
    }...

Ajouter un Rest controller : https://spring.io/guides/gs/rest-service/
- Injecter le service dans le controller

RestController
public class HelloController {
    
    @Autowired
    private HelloService helloService;
    
    @RequestMapping("/hello")
    public Greeting hello(@RequestParam String param) {
        return helloService.hello(param);
    }
    ...

parler du autoreload : https://docs.spring.io/spring-boot/docs/current/reference/html/howto-hotswapping.html
ajouter la dépendance spring-dev-tools

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-devtools</artifactId>
    <optional>true</optional>
</dependency>

spring-data
- ajouter la dépendance spring-boot-starter-data-jpa
- ajouter le repository de Greeting

  @Repository
  public interface GreetingRepository extends CrudRepository<Greeting, Long>{

    List<Greeting> findByName(String name);

ajouter l'Id dans Greeting
ajouter la méthode HelloService.all()
ajouter dans RestController

    public List<Greeting> all(@PathVariable String name) {
        return helloService.all(name);
    }

Démo : http://localhost:8080
Configuration personnalisation https://docs.spring.io/spring-boot/docs/current/reference/html/common-application-properties.html

server.port=8081

lfo/HOWTO.md