[JAVA-13854] Half list moved (#12598)
* [JAVA-13854] added parent module * [JAVA-13854] moved apache-tapestry(submodule) to web-modules(parent) * [JAVA-13854] moved bootique(submodule) to web-modules(parent) * [JAVA-13854] moved dropwizard(submodule) to web-modules(parent) * [JAVA-13854] moved blade(submodule) to web-modules(parent) * [JAVA-13854] moved java-lite(submodule) to web-modules(parent) * [JAVA-13854] moved jooby(submodule) to web-modules(parent) * [JAVA-13854] moved linkrest(submodule) to web-modules(parent) * [JAVA-13854] moved ninja(submodule) to web-modules(parent) * [JAVA-13854] moved ratpack(submodule) to web-modules(parent) * [JAVA-13854] moved resteasy(submodule) to web-modules(parent) * [JAVA-13854] moved restx(submodule) to web-modules(parent) * [JAVA-13854] moved spark-java(submodule) to web-modules(parent) * [JAVA-13854] moved vraptor(submodule) to web-modules(parent) * [JAVA-13854] delete modules that were moved * [JAVA-13854] * [JAVA-13854] * [JAVA-13854] delete ninja submodule + moved raml(submodule) to web-modules(parent) * [JAVA-13854] moved gwt(submodule) to web-modules(parent) * [JAVA-13854] moved jakarta-ee(submodule) to web-modules(parent) * [JAVA-13854] moved javax-servlets(submodule) to web-modules(parent) * [JAVA-13854] moved javax-servlets-2(submodule) to web-modules(parent) * [JAVA-13854] moved jee-7(submodule) to web-modules(parent) * [JAVA-13854] moved play-framework(not a module) to web-modules * [JAVA-13854] fix failing test * [JAVA-13854] moved struts-2(submodule) to web-modules(parent) * [JAVA-13854] moved wicket(submodule) to web-modules(parent) * [JAVA-13854] deleted modules that were moved to web-modules * JAVA-13854 Removed moved modules from the main pom.xml Co-authored-by: panagiotiskakos <panagiotis.kakos@libra-is.com> Co-authored-by: Dhawal Kapil <dhawalkapil@gmail.com>
This commit is contained in:
panos-kakos
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package actors;
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import akka.actor.AbstractActor;
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import akka.actor.ActorRef;
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import akka.actor.PoisonPill;
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import akka.actor.Props;
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import akka.event.Logging;
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import akka.event.LoggingAdapter;
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import akka.http.javadsl.Http;
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import akka.http.javadsl.marshallers.jackson.Jackson;
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import akka.http.javadsl.model.HttpMessage;
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import akka.http.javadsl.model.HttpRequest;
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import akka.http.javadsl.model.HttpResponse;
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import akka.stream.Materializer;
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import com.fasterxml.jackson.databind.JsonNode;
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import dto.MessageDTO;
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import dto.RequestDTO;
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import utils.MessageConverter;
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import java.time.OffsetDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.UUID;
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import java.util.concurrent.CompletionStage;
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import java.util.concurrent.ThreadLocalRandom;
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public class Messenger extends AbstractActor {
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private LoggingAdapter log = Logging.getLogger(getContext().getSystem(), this);
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private ActorRef out;
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public Messenger(ActorRef out) {
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this.out = out;
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}
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public static Props props(ActorRef out) {
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return Props.create(Messenger.class, () -> new Messenger(out));
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}
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@Override
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public void preStart() throws Exception {
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log.info("Messenger actor started at {}",
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OffsetDateTime.now().format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
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}
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@Override
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public void postStop() throws Exception {
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log.info("Messenger actor stopped at {}",
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OffsetDateTime.now().format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
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}
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private void onSendMessage(JsonNode jsonNode) {
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RequestDTO requestDTO = MessageConverter.jsonNodeToRequest(jsonNode);
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String message = requestDTO.getMessage().toLowerCase();
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if("stop".equals(message)) {
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MessageDTO messageDTO = createMessageDTO("1", "1", "Stop", "Stopping actor");
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out.tell(MessageConverter.messageToJsonNode(messageDTO), getSelf());
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self().tell(PoisonPill.getInstance(), getSelf());
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} else {
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log.info("Actor received. {}", requestDTO);
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processMessage(requestDTO);
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}
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}
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private MessageDTO createMessageDTO(String userId, String id, String title, String message) {
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MessageDTO messageDTO = new MessageDTO();
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messageDTO.setUserId(UUID.randomUUID().toString());
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messageDTO.setId(UUID.randomUUID().toString());
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messageDTO.setTitle("Self Kill");
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messageDTO.setBody("Stopping actor");
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return messageDTO;
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}
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private void processMessage(RequestDTO requestDTO) {
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CompletionStage<HttpResponse> responseFuture = getRandomMessage();
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responseFuture.thenCompose(this::consumeHttpResponse)
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.thenAccept(messageDTO ->
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out.tell(MessageConverter.messageToJsonNode(messageDTO), getSelf()));
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}
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private CompletionStage<HttpResponse> getRandomMessage() {
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int postId = ThreadLocalRandom.current().nextInt(0, 100);
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return Http.get(getContext().getSystem()).singleRequest(
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HttpRequest.create("https://jsonplaceholder.typicode.com/posts/" + postId)
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);
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}
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private void discardEntity(HttpResponse httpResponse, Materializer materializer) {
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httpResponse.discardEntityBytes(materializer)
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.completionStage()
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.whenComplete((done, ex) -> log.info("Entity discarded completely!"));
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}
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private CompletionStage<MessageDTO> consumeHttpResponse(HttpResponse httpResponse) {
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Materializer materializer = Materializer.matFromSystem(getContext().getSystem());
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return Jackson.unmarshaller(MessageDTO.class)
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.unmarshal(httpResponse.entity(), materializer)
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.thenApply(messageDTO -> {
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log.info("Received message: {}", messageDTO);
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discardEntity(httpResponse, materializer);
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return messageDTO;
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});
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}
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@Override
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public Receive createReceive() {
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return receiveBuilder()
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.match(JsonNode.class, this::onSendMessage)
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.matchAny(o -> log.error("Received unknown message: {}", o.getClass()))
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.build();
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}
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}
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@@ -0,0 +1,79 @@
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package controllers;
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import actors.Messenger;
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import akka.actor.ActorSystem;
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import akka.stream.Materializer;
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import akka.stream.javadsl.Flow;
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import akka.stream.javadsl.Sink;
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import akka.stream.javadsl.Source;
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import com.fasterxml.jackson.databind.JsonNode;
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import dto.MessageDTO;
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import lombok.extern.slf4j.Slf4j;
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import play.libs.F;
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import play.libs.streams.ActorFlow;
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import play.mvc.*;
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import utils.MessageConverter;
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import javax.inject.Inject;
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import java.time.Duration;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.CompletionStage;
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@Slf4j
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public class HomeController extends Controller {
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private ActorSystem actorSystem;
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private Materializer materializer;
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@Inject
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public HomeController(ActorSystem actorSystem, Materializer materializer) {
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this.actorSystem = actorSystem;
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this.materializer = materializer;
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}
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public Result index(Http.Request request) {
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String url = routes.HomeController.socket().webSocketURL(request);
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//To test WebSockets with akka streams, uncomment the next line and comment out the previous
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//String url = routes.HomeController.akkaStreamsSocket().webSocketURL(request);
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return ok(views.html.index.render(url));
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}
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public WebSocket socket() {
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return WebSocket.Json.acceptOrResult(this::createActorFlow);
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}
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private CompletionStage<F.Either<Result, Flow<JsonNode, JsonNode, ?>>> createActorFlow(
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Http.RequestHeader request) {
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return CompletableFuture.completedFuture(F.Either.Right(createFlowForActor()));
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}
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private CompletionStage<F.Either<Result, Flow<JsonNode, JsonNode, ?>>>
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createActorFlow2(Http.RequestHeader request) {
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return CompletableFuture.completedFuture(
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request.session()
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.getOptional("username")
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.map(username ->
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F.Either.<Result, Flow<JsonNode, JsonNode, ?>>Right(
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createFlowForActor()))
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.orElseGet(() -> F.Either.Left(forbidden())));
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}
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private Flow<JsonNode, JsonNode, ?> createFlowForActor() {
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return ActorFlow.actorRef(out -> Messenger.props(out), actorSystem, materializer);
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}
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public WebSocket akkaStreamsSocket() {
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return WebSocket.Json.accept(
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request -> {
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Sink<JsonNode, ?> in = Sink.foreach(System.out::println);
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MessageDTO messageDTO = new MessageDTO("1", "1", "Title", "Test Body");
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Source<JsonNode, ?> out = Source.tick(
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Duration.ofSeconds(2),
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Duration.ofSeconds(2),
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MessageConverter.messageToJsonNode(messageDTO)
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);
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return Flow.fromSinkAndSource(in, out);
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});
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}
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}
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@@ -0,0 +1,60 @@
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package dto;
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public class MessageDTO {
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private String userId;
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private String id;
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private String title;
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private String body;
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public MessageDTO() {
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}
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public MessageDTO(String userId, String id, String title, String body) {
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this.userId = userId;
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this.id = id;
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this.title = title;
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this.body = body;
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}
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public String getUserId() {
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return userId;
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}
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public void setUserId(String userId) {
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this.userId = userId;
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}
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public String getId() {
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return id;
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}
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public void setId(String id) {
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this.id = id;
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}
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public String getTitle() {
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return title;
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}
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public void setTitle(String title) {
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this.title = title;
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}
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public String getBody() {
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return body;
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}
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public void setBody(String body) {
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this.body = body;
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}
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@Override
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public String toString() {
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return "MessageDTO{" +
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"userId='" + userId + '\'' +
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", id='" + id + '\'' +
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", title='" + title + '\'' +
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", body='" + body + '\'' +
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'}';
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}
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}
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@@ -0,0 +1,27 @@
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package dto;
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public class RequestDTO {
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private String message;
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public RequestDTO() {
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}
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public RequestDTO(String message) {
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this.message = message;
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}
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public String getMessage() {
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return message;
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}
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public void setMessage(String message) {
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this.message = message;
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}
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@Override
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public String toString() {
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return "RequestDTO{" +
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"message='" + message + '\'' +
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'}';
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}
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}
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@@ -0,0 +1,24 @@
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package utils;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import dto.MessageDTO;
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import dto.RequestDTO;
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public class MessageConverter {
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private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
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public static MessageDTO jsonNodeToMessage(JsonNode jsonNode) {
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return OBJECT_MAPPER.convertValue(jsonNode, MessageDTO.class);
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}
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public static JsonNode messageToJsonNode(MessageDTO messageDTO) {
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return OBJECT_MAPPER.convertValue(messageDTO, JsonNode.class);
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}
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public static RequestDTO jsonNodeToRequest(JsonNode jsonNode) {
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return OBJECT_MAPPER.convertValue(jsonNode, RequestDTO.class);
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}
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public static JsonNode requestToJsonNode(RequestDTO requestDTO) {
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return OBJECT_MAPPER.convertValue(requestDTO, JsonNode.class);
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}
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}
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@@ -0,0 +1,97 @@
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@(url: String)
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@main("Welcome to Play") {
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<h1>Welcome to Play WebSockets!</h1>
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<div id="messageContent"></div>
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<form>
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<textarea id="messageInput"></textarea>
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<button id="sendButton">Send</button>
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</form>
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<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
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<script>
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var webSocket;
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var messageInput;
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function init() {
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initWebSocket();
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}
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function initWebSocket() {
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webSocket = new WebSocket("@url");
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webSocket.onopen = onOpen;
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webSocket.onclose = onClose;
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webSocket.onmessage = onMessage;
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webSocket.onerror = onError;
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}
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function onOpen(evt) {
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writeToScreen("CONNECTED");
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}
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function onClose(evt) {
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writeToScreen("DISCONNECTED");
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appendMessageToView(":", "DISCONNECTED");
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}
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function onError(evt) {
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writeToScreen("ERROR: " + evt.data);
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writeToScreen("ERROR: " + JSON.stringify(evt));
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}
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function onMessage(evt) {
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var receivedData = JSON.parse(evt.data);
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console.log("New Data: ", receivedData);
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appendMessageToView("Server", receivedData.body);
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}
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function appendMessageToView(title, message) {
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$("#messageContent").append("<p>" + title + ": " + message + "</p>");
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}
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function writeToScreen(message) {
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console.log("New message: ", message);
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}
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function doSend(protocolMessage) {
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if(webSocket.readyState == WebSocket.OPEN) {
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writeToScreen("SENT: " + protocolMessage.message);
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webSocket.send(JSON.stringify(protocolMessage));
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} else {
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writeToScreen("Could not send data. Websocket is not open.");
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}
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}
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window.addEventListener("load", init, false);
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$(".sendButton").click(function () {
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console.log("Submitting.");
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newMessage();
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});
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$(window).on("keydown", function (e) {
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if (e.which == 13) {
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console.log("Enter pressed.");
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newMessage();
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return false;
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}
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});
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function newMessage() {
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messageInput = $("#messageInput").val();
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$("#messageInput").val("");
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if ($.trim(messageInput) == "") {
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return false;
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}
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appendMessageToView("Me", messageInput);
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var message = {
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message: messageInput
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};
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doSend(message);
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}
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</script>
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}
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@@ -0,0 +1,14 @@
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@(title: String)(content: Html)
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>@title</title>
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<link rel="stylesheet" media="screen" href="@routes.Assets.versioned("stylesheets/main.css")">
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<link rel="shortcut icon" type="image/png" href="@routes.Assets.versioned("images/favicon.png")">
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</head>
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<body>
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@content
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<script src="@routes.Assets.versioned("javascripts/main.js")" type="text/javascript"></script>
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</body>
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</html>
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Reference in New Issue
Block a user