Akka Http Server -如何使用字节数组二进制响应进行路由响应

<dependency>
    <groupId>com.typesafe.akka</groupId>
    <artifactId>akka-http_2.12</artifactId>
    <version>10.2.6</version>
</dependency>

import akka.http.javadsl.server.AllDirectives;
import akka.http.javadsl.server.Route;

public class MyRoutes extends AllDirectives {
    public Route createRoute() {
        return path("binary-response", () ->
                get(() ->
                        complete("Hello, World!".getBytes())
                )
        );
    }
}

import akka.actor.ActorSystem;
import akka.http.javadsl.Http;
import akka.stream.ActorMaterializer;

public class MyServer {
    public static void main(String[] args) throws Exception {
        ActorSystem system = ActorSystem.create("my-system");
        ActorMaterializer materializer = ActorMaterializer.create(system);

        MyRoutes routes = new MyRoutes();
        Route route = routes.createRoute();

        Http.get(system).bindAndHandle(route.flow(system, materializer), ConnectHttp.toHost("localhost", 8080), materializer);
    }
}