Vertx restful style web router

Introduce
Router from HttpServer Receive the request and route it to the first matching route it contains . A router can contain many sub routes , Support Restful style url Definition

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

@Slf4j
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();
        log.info("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));  
    return mainRouter;  
  }  
}

public class UserRoute {

  public Router create(Vertx vertx) {
    Router userRouter = Router.router(vertx);
    UserService service = new UserService();

    userRouter.get("/list").handler(service::list);
    userRouter.post("/info").handler(service::add);
    userRouter.put("/info").handler(service::update);
    userRouter.delete("/info/:userId").handler(service::delete);
    userRouter.get("/info/:userId").handler(service::detail);
    return userRouter;
  }
}

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

  static {
    USERS.add(UserVo.of(1L, "Jim Green", "[email protected]", 21));
    USERS.add(UserVo.of(2L, "Tom Dio", "[email protected]", 22));
    USERS.add(UserVo.of(3L, "Mrs Mei", "[email protected]", 23));
    USERS.add(UserVo.of(4L, "Tom Holland", "[email protected]", 24));
    USERS.add(UserVo.of(5L, "Zendaya", "[email protected]", 25));
  }

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

  public void detail(RoutingContext ctx) {
    String userId = ctx.pathParam("userId");
    log.info("===> detail user: {}", userId);

    UserVo userVo = USERS.stream().filter(u -> u.getUserId().toString().equals(userId)).findFirst().orElse(null);
    ctx.json(R.data(userVo));
  }

  public void add(RoutingContext ctx) {
    UserVo userVo = ctx.getBodyAsJson().mapTo(UserVo.class);
    log.info("===> save user: {}", userVo);
    USERS.add(userVo);
    ctx.json(R.success("save"));
  }

  public void update(RoutingContext ctx) {
    UserVo userVo = ctx.getBodyAsJson().mapTo(UserVo.class);
    log.info("===> update user: {}", userVo);
    ctx.json(R.success("update"));
  }

  public void delete(RoutingContext ctx) {
    String userId = ctx.pathParam("userId");
    log.info("===> delete user: {}", userId);
    ctx.json(R.success("delete"));
  }
}

  

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 Restful route Github Address
Vertx And Router Restfull route Gitee Address