gistfile1.java

@At("/person") @Async
public class PersonService {

  @Before
  void pre(Request request) {
    System.out.println("headers were: " + request.headers());
  }

  /**
   * Callback for request body. Can return a continuation, which will
   * keep calling this method until the request is completely read, then
   * call @After. OR if this method returns a reply, we stop reading the
   * request and send a response directly.
   */
  @Post
  Reply<?> savePerson(Request request) {
    if (request.done())
      return Reply.with("OK");

    // Read entity asynchronously, then call us back when read.
    return request.read(Person.class).as(Json.class).andContinue();
  }

  /**
   * Callback for when response is completely written.
   */
  @After
  void completed() {
    // Release additional resources here.
  }
}