Vert.x query/path/form/json参数校验

@Slf4j
public class MainVerticle extends AbstractVerticle {

  @Override
  public void start(Promise<Void> startPromise) throws Exception {


    Router router = Router.router(vertx);

    SchemaParser schemaParser = SchemaParser.createDraft201909SchemaParser(
      SchemaRouter.create(vertx, new SchemaRouterOptions())
    );


    //request / path param 参数校验
    router.get("/user/:id")
        .handler(
          ValidationHandlerBuilder
            .create(schemaParser)
            .pathParameter(Parameters.param("id", Schemas.intSchema()))//必填int路径参数校验
            .queryParameter(Parameters.param("name",Schemas.stringSchema()))//必填字符串校验
            .queryParameter(Parameters.optionalParam("address",
              Schemas.stringSchema()
                .with(Keywords.pattern(Pattern.compile("^.{2,10}$"))))) //正则校验
            .build()
        ).handler(routingContext -> {
        RequestParameters parameters = routingContext.get(ValidationHandler.REQUEST_CONTEXT_KEY);
        Integer id = parameters.pathParameter("id").getInteger();
        String name = parameters.queryParameter("name").getString();
        log.info("id : {} , name : {}", id, name);

        routingContext.json(new JsonObject().put("id", id).put("name", name));
      });


    //body 参数校验
    //定义校验内容
    ObjectSchemaBuilder bodySchemaBuilder = Schemas.objectSchema()
      .requiredProperty("name", Schemas.stringSchema().with(Keywords.minLength(2)))
      .requiredProperty("age", Schemas.intSchema());

    router.post("/form/post")
      .handler(BodyHandler.create())//必须先解析Body参数再验证
      .handler(
        ValidationHandlerBuilder.create(schemaParser)
          .predicate(RequestPredicate.BODY_REQUIRED)//body必填
          .body(Bodies.multipartFormData(bodySchemaBuilder))//multipart Form
          .body(Bodies.formUrlEncoded(bodySchemaBuilder)) // form url encode
          .body(Bodies.json(bodySchemaBuilder)) // json
          .build()
      ).handler(routingContext -> {
        RequestParameters parameters = routingContext.get(ValidationHandler.REQUEST_CONTEXT_KEY);
        JsonObject jsonObject = parameters.body().getJsonObject();
        String name = jsonObject.getString("name");
        Integer age = jsonObject.getInteger("age");
        log.info("name : {} , age : {}", name, age);
        routingContext.json(new JsonObject().put("name", name).put("age", age));
      });


    vertx.createHttpServer()
      .requestHandler(router)
      .listen(config().getInteger("http.port", 8080), result -> {
        if (result.succeeded()) {
          startPromise.complete();
        }else {
          startPromise.fail(result.cause());
        }
      });
  }
}