In Vert.x web client, can I map a JSON response to a collection of POJOs?

问题

In Vert.x Web client manual there's an example of decoding an incoming JSON response into a POJO:

client
  .get(8080, "myserver.mycompany.com", "/some-uri")
  .as(BodyCodec.json(User.class))
  .send(ar -> {
      // Process the response
   })

Is there a way to decode an incoming JSON array into a collection of objects?

回答1:

I don't believe you can use a BodyCodec to convert the content straight to a collection of objects.

However you use Vert.x core Json class with the body as Buffer

client
  .get(8080, "myserver.mycompany.com", "/some-uri")
  .send(ar -> {
    if (ar.succeeded()) {
      Buffer body = ar.result().body();
      List<User> users = Json.decodeValue(body, new TypeReference<List<User>>() {});
    } else {
      // ...
    }
  });

来源：https://stackoverflow.com/questions/53804316/in-vert-x-web-client-can-i-map-a-json-response-to-a-collection-of-pojos