Java Code Examples for javax.ws.rs.sse.SseEventSink#send()

The following examples show how to use javax.ws.rs.sse.SseEventSink#send() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ServerSentEventResource.java    From quarkus with Apache License 2.0 8 votes vote down vote up 
@GET
@Path("/stream-xml")
@SseElementType(MediaType.TEXT_XML)
@Produces(MediaType.SERVER_SENT_EVENTS)
public void sendXmlData(@Context SseEventSink sink) {
    // send a stream of few events
    try {
        for (int i = 0; i < 3; i++) {
            final OutboundSseEvent.Builder builder = this.sse.newEventBuilder();
            builder.id(String.valueOf(i)).mediaType(MediaType.TEXT_XML_TYPE)
                    .data("<settings><foo bar=\"" + i + "\"/></settings>")
                    .name("stream of XML data");

            sink.send(builder.build());
        }
    } finally {
        sink.close();
    }
}
Example 2
Source File: AsynchronousResources.java    From servicetalk with Apache License 2.0 6 votes vote down vote up 
@Produces(SERVER_SENT_EVENTS)
@Path("/sse/broadcast")
@GET
public void getSseBroadcast(@Context final SseEventSink eventSink,
                            @Context final Sse sse) {
    eventSink.send(sse.newEvent("bar"));
    final SseBroadcaster sseBroadcaster = sse.newBroadcaster();
    sseBroadcaster.register(eventSink);

    scheduleSseEventSend(new SseEmitter() {
        @Override
        public CompletionStage<?> emit(final OutboundSseEvent event) {
            return sseBroadcaster.broadcast(event);
        }

        @Override
        public void close() {
            sseBroadcaster.close();
        }
    }, sse, Refs.of(0), ctx.executionContext().executor());
}
Example 3
Source File: TestResourceForConstructorProperties.java    From quarkus with Apache License 2.0 6 votes vote down vote up 
@GET
@Path("/sse")
@SseElementType(MediaType.APPLICATION_JSON)
@Produces(MediaType.SERVER_SENT_EVENTS)
public void serverSentEvents(@Context SseEventSink sink) {
    VanillaJavaImmutableData data = new VanillaJavaImmutableData("sse", "ssevalue");
    try {
        OutboundSseEvent.Builder builder = sse.newEventBuilder();
        builder.id(String.valueOf(1))
                .mediaType(MediaType.APPLICATION_JSON_TYPE)
                .data(data)
                .name("stream of json data");

        sink.send(builder.build());
    } finally {
        sink.close();
    }
}
Example 4
Source File: ServerSentEventResource.java    From quarkus with Apache License 2.0 6 votes vote down vote up 
@GET
@Path("/stream")
@Produces(MediaType.SERVER_SENT_EVENTS)
public void sendData(@Context SseEventSink sink) {
    // send a stream of few events
    try {
        for (int i = 0; i < 3; i++) {
            final OutboundSseEvent.Builder builder = this.sse.newEventBuilder();
            builder.id(String.valueOf(i)).mediaType(MediaType.TEXT_PLAIN_TYPE)
                    .data(Integer.class, i)
                    .name("stream of numbers");

            sink.send(builder.build());
        }
    } finally {
        sink.close();
    }
}
Example 5
Source File: ServerSentEventResource.java    From quarkus with Apache License 2.0 6 votes vote down vote up 
@GET
@Path("/stream-html")
@Produces(MediaType.SERVER_SENT_EVENTS)
@SseElementType("text/html")
public void sendHtmlData(@Context SseEventSink sink) {
    // send a stream of few events
    try {
        for (int i = 0; i < 3; i++) {
            final OutboundSseEvent.Builder builder = this.sse.newEventBuilder();
            builder.id(String.valueOf(i)).mediaType(MediaType.TEXT_HTML_TYPE)
                    .data("<html><body>" + i + "</body></html>")
                    .name("stream of pages");

            sink.send(builder.build());
        }
    } finally {
        sink.close();
    }
}
Example 6
Source File: CancellableResources.java    From servicetalk with Apache License 2.0 5 votes vote down vote up 
private void sendSseUntilFailure(final SseEventSink eventSink, final Sse sse, final Executor executor) {
    try {
        eventSink.send(sse.newEvent("foo"));
        executor.schedule(() -> sendSseUntilFailure(eventSink, sse, executor), 10, MILLISECONDS);
    } catch (final Throwable t) {
        if (eventSink.isClosed()) {
            sseSinkClosedLatch.countDown();
        } else {
            throw new IllegalStateException("SseEventSink should be closed", t);
        }
    }
}
Example 7
Source File: AsynchronousResources.java    From servicetalk with Apache License 2.0 5 votes vote down vote up 
@Produces(SERVER_SENT_EVENTS)
@Path("/sse/unsupported")
@GET
public void getSseUnsupportedType(@Context final SseEventSink eventSink,
                                  @Context final Sse sse) {
    eventSink.send(sse.newEventBuilder()
            .data(Buffer.class, ctx.executionContext().bufferAllocator().fromAscii("foo"))
            .mediaType(MediaType.TEXT_PLAIN_TYPE)
            .build());
}
Example 8
Source File: SseResource.java    From Java-EE-8-Sampler with MIT License 5 votes vote down vote up 
@GET
@Path("subscribe")
@Produces(MediaType.SERVER_SENT_EVENTS)
public void subscribe(@Context SseEventSink eventSink) {
    eventSink.send(sse.newEvent("You are subscribed"));
    broadcaster.register(eventSink);
}
Example 9
Source File: EventsResource.java    From Architecting-Modern-Java-EE-Applications with MIT License 5 votes vote down vote up 
private void replayLastMessages(int lastEventId, SseEventSink eventSink) {
    try {
        for (int i = lastEventId; i < messages.size(); i++) {
            eventSink.send(createEvent(messages.get(i), i + 1));
        }
    } catch (Exception e) {
        throw new InternalServerErrorException("Could not replay messages ", e);
    }
}
Example 10
Source File: SseResource.java    From ee8-sandbox with Apache License 2.0 5 votes vote down vote up 
@GET
@Produces(MediaType.SERVER_SENT_EVENTS)
public void eventStream(@Context Sse sse, @Context SseEventSink eventSink) {
    // Resource method is invoked when a client subscribes to an event stream.
    // That implies that sending events will most likely happen from different
    // context - thread / event handler / etc, so common implementation of the
    // resource method will store the eventSink instance and the application 
    // logic will retrieve it when an event should be emitted to the client.

    // sending events:
    eventSink.send(sse.newEvent("event1"));
}
Example 11
Source File: BroadcastResource.java    From ee8-sandbox with Apache License 2.0 5 votes vote down vote up 
@GET
//@Path("register")
@Produces(MediaType.SERVER_SENT_EVENTS)
public void register(@Context SseEventSink eventSink) {
    eventSink.send(sse.newEvent("welcome!"));
    sseBroadcaster.register(eventSink);
}
Example 12
Source File: SSEResource.java    From aries-jax-rs-whiteboard with Apache License 2.0 5 votes vote down vote up 
@Produces(MediaType.SERVER_SENT_EVENTS)
@GET
@Path("/subscribe")
public void subscribe(@Context SseEventSink sink) {
    sink.send(_sse.newEvent("welcome"));

    _sseBroadcaster.register(sink);
}
Example 13
Source File: SseEndpoint.java    From hammock with Apache License 2.0 5 votes vote down vote up 
@GET
@Path("/{uuid}")
@Produces(SERVER_SENT_EVENTS)
public void doSseCall(@PathParam("uuid") String uuid, @Context SseEventSink sink, @Context Sse sse) {
    final OutboundSseEvent.Builder builder = sse.newEventBuilder();
    OutboundSseEvent event = builder.id(uuid)
            .data(SseModel.class, new SseModel("some model "+uuid))
            .build();
    sink.send(event);
    sink.close();
}
Example 14
Source File: EchoHeaders.java    From tutorials with MIT License 5 votes vote down vote up 
@GET
@Path("/events")
@Produces(MediaType.SERVER_SENT_EVENTS)
public void getServerSentEvents(@Context SseEventSink eventSink, @Context Sse sse) {
    OutboundSseEvent event = sse.newEventBuilder()
            .name("echo-headers")
            .data(String.class, headers.getHeaderString(AddHeaderOnRequestFilter.FILTER_HEADER_KEY))
            .build();
    eventSink.send(event);
}
Example 15
Source File: SseResource.java    From tutorials with MIT License 5 votes vote down vote up 
@GET
@Path("subscribe")
@Produces(MediaType.SERVER_SENT_EVENTS)
public void listen(@Context SseEventSink sseEventSink) {
    sseEventSink.send(sse.newEvent("Welcome !"));
    this.sseBroadcaster.register(sseEventSink);
    sseEventSink.send(sse.newEvent("You are registred !"));
}
Example 16
Source File: SseResource.java    From tutorials with MIT License 4 votes vote down vote up 
@GET
@Path("prices")
@Produces("text/event-stream")
public void getStockPrices(@Context SseEventSink sseEventSink,
                           @HeaderParam(HttpHeaders.LAST_EVENT_ID_HEADER) @DefaultValue("-1") int lastReceivedId) {

    int lastEventId = 1;
    if (lastReceivedId != -1) {
        lastEventId = ++lastReceivedId;
    }
    boolean running = true;
    while (running) {
        Stock stock = stockService.getNextTransaction(lastEventId);
        if (stock != null) {
            OutboundSseEvent sseEvent = this.eventBuilder
                    .name("stock")
                    .id(String.valueOf(lastEventId))
                    .mediaType(MediaType.APPLICATION_JSON_TYPE)
                    .data(Stock.class, stock)
                    .reconnectDelay(3000)
                    .comment("price change")
                    .build();
            sseEventSink.send(sseEvent);
            lastEventId++;
        }
        //Simulate connection close
        if (lastEventId % 5 == 0) {
            sseEventSink.close();
            break;
        }

        try {
            //Wait 5 seconds
            Thread.sleep(5 * 1000);
        } catch (InterruptedException ex) {
            // ...
        }
        //Simulatae a while boucle break
        running = lastEventId <= 2000;
    }
    sseEventSink.close();
}