/* * Copyright (C) 2009-2016 Lightbend Inc. */ package akka.http.javadsl.server; import akka.actor.ActorSystem; import akka.http.javadsl.ConnectHttp; import akka.http.javadsl.Http; import akka.http.javadsl.ServerBinding; import akka.http.javadsl.model.HttpRequest; import akka.http.javadsl.model.HttpResponse; import akka.http.javadsl.model.StatusCodes; import akka.stream.ActorMaterializer; import akka.stream.javadsl.Flow; import scala.concurrent.duration.Duration; import scala.runtime.BoxedUnit; import java.util.Optional; import java.util.concurrent.*; import java.util.function.Function; public class JavaTestServer extends AllDirectives { // or import static Directives.*; public Route createRoute() { final Duration timeout = Duration.create(1, TimeUnit.SECONDS); final Route index = path("", () -> withRequestTimeout(timeout, this::mkTimeoutResponse, () -> { silentSleep(5000); // too long, trigger failure return complete(index()); }) ); final Function, Optional> handleAuth = (maybeCreds) -> { if (maybeCreds.isPresent() && maybeCreds.get().verify("pa$$word")) // some secure hash + check return Optional.of(maybeCreds.get().identifier()); else return Optional.empty(); }; final Route secure = path("secure", () -> authenticateBasic("My basic secure site", handleAuth, (login) -> complete(String.format("Hello, %s!", login)) ) ); final Route ping = path("ping", () -> complete("PONG!") ); final Route crash = path("crash", () -> path("scala", () -> completeOKWithFutureString(akka.dispatch.Futures.failed(new Exception("Boom!")))).orElse( path("java", () -> completeOKWithFutureString(CompletableFuture.supplyAsync(() -> { throw new RuntimeException("Boom!"); })))) ); final Route inner = path("inner", () -> getFromResourceDirectory("someDir") ); return get(() -> index.orElse(secure).orElse(ping).orElse(crash).orElse(inner) ); } private void silentSleep(int millis) { try { Thread.sleep(millis); } catch (InterruptedException e) { throw new RuntimeException(e); } } private HttpResponse mkTimeoutResponse(HttpRequest request) { return HttpResponse.create() .withStatus(StatusCodes.ENHANCE_YOUR_CALM) .withEntity("Unable to serve response within time limit, please enchance your calm."); } private String index() { return " \n" + " \n" + "

Say hello to akka-http-core!

\n" + "

Defined resources:

\n" + "

/ping
/secure Use any username and '<username>-password' as credentials
/crash

\n" + " \n" + " \n"; } public static void main(String[] args) throws InterruptedException { final JavaTestServer server = new JavaTestServer(); server.run(); } private void run() throws InterruptedException { final ActorSystem system = ActorSystem.create(); final ActorMaterializer mat = ActorMaterializer.create(system); final Flow flow = createRoute().flow(system, mat); final CompletionStage binding = Http.get(system).bindAndHandle(flow, ConnectHttp.toHost("127.0.0.1"), mat); System.console().readLine("Press [ENTER] to quit..."); shutdown(binding); } private CompletionStage shutdown(CompletionStage binding) { return binding.thenAccept(b -> { System.out.println(String.format("Unbinding from %s", b.localAddress())); final CompletionStage unbound = b.unbind(); try { unbound.toCompletableFuture().get(3, TimeUnit.SECONDS); // block... } catch (TimeoutException | InterruptedException | ExecutionException e) { throw new RuntimeException(e); } }); } }