PlayFramework 2.0.4 WS.get() sync/async

Application.java

package controllers;

import java.util.Date;

import org.codehaus.jackson.node.ObjectNode;

import play.libs.F.Promise;
import play.libs.Json;
import play.libs.WS;
import play.mvc.Controller;
import play.mvc.Result;

/*
 * write below in conf/application.conf
 * play.akka.default-dispatcher.core-pool-size-max = 512
 * play.akka.actor.retrieveBodyParserTimeout = 30s
 * ws.timeout = 30000
 */
public class Application extends Controller {

	public static Result delay() {
		ObjectNode result = Json.newObject();
		result.put("startAt", new Date().toLocaleString());
		try {
			Thread.sleep(1000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		result.put("endAt", new Date().toLocaleString());

		return ok(result);
	}

	public static Result sync() {
		String url = "http://localhost:9000/delay";
		Promise<WS.Response> response = play.libs.WS.url(url).get();
		return ok(response.get().asJson());
	}

	public static Result async() {
		String url = "http://localhost:9000/delay";
		return async(play.libs.WS
				.url(url)
				.get()
				.map(new play.libs.F.Function<play.libs.WS.Response, play.mvc.Result>() {
					public play.mvc.Result apply(play.libs.WS.Response response) {
						return ok(response.asJson());
					}
				}));
	}

}