Web router of vertx

Introduce

Router from HttpServer Receive the request and route it to the first matching route it contains . A router can contain many sub routes .

1. maven Project dependence

<dependency>
	<groupId>io.vertx</groupId>
	<artifactId>vertx-web</artifactId>
</dependency>
<dependency>
	<groupId>com.fasterxml.jackson.core</groupId>
	<artifactId>jackson-databind</artifactId>
</dependency>
<dependency>
	<groupId>com.lance.common</groupId>
	<artifactId>vertx-common-core</artifactId>
	<version>0.0.1-SNAPSHOT</version>
</dependency>

2. Project part code

public class MainApp extends AbstractVerticle {

  @Override
  public void start(Promise<Void> startPromise) throws Exception {
    HttpServer server = vertx.createHttpServer();
    server.requestHandler(new MainRoute().create(vertx));

    server.listen(8888, http -> {
      if (http.succeeded()) {
        startPromise.complete();
        System.out.println("HTTP server started on port 8888");
      } else {
        startPromise.fail(http.cause());
      }
    });
  }
}

public class MainRoute {
  public Router create(Vertx vertx) {
    Router mainRouter = Router.router(vertx);
    mainRouter.route().consumes("application/json; charset=utf-8");
    mainRouter.route().produces("application/json; charset=utf-8");
    mainRouter.route().handler(BodyHandler.create());

    mainRouter.mountSubRouter("/user", new UserRoute().create(vertx));
    mainRouter.mountSubRouter("/book", new BookRoute().create(vertx));
    return mainRouter;
  }
}

public class UserRoute {
  private final static Logger log = LoggerFactory.getLogger(UserRoute.class);

  public Router create(Vertx vertx) {
    log.info("=====>Init user router.");
    Router userRouter = Router.router(vertx);
    UserService service = new UserService();

    userRouter.get("/list").handler(service::list);
    userRouter.post("/add").handler(service::add);
    return userRouter;
  }
}

@Slf4j
public class UserService {
  private final static List<UserVo> USERS = new ArrayList<>();

  static {
    USERS.add(UserVo.of(1L, "Jim Green", "[email protected]", 20));
    USERS.add(UserVo.of(2L, "Tom Dio", "[email protected]", 21));
    USERS.add(UserVo.of(3L, "Mrs Mei", "[email protected]", 22));
    USERS.add(UserVo.of(4L, "Tom Holland", "[email protected]", 23));
    USERS.add(UserVo.of(5L, "Zendaya", "[email protected]", 24));
  }

  public void list(RoutingContext ctx) {
    log.info("===> get all users");
    R<List<UserVo>> result = R.data(USERS);
    ctx.json(result);
  }

  public void add(RoutingContext ctx) {
    log.info("===> save user info");
    ctx.json(R.success("ok"));
  }
}

3. Project test

After the project starts , http://127.0.0.1:8888/user/list

{
    "code": "200",
    "success": true,
    "data": [
        {
            "userId": 1,
            "username": "Jim Green",
            "password": "[email protected]",
            "age": 20
        },
        {
            "userId": 2,
            "username": "Tom Dio",
            "password": "[email protected]",
            "age": 21
        }
    ],
    "msg": null
}

4. Full address of the project

Vertx And Router route Github Address

Vertx And Router route Gitee Address