Example usage for org.springframework.web.socket TextMessage TextMessage

List of usage examples for org.springframework.web.socket TextMessage TextMessage

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Introduction

In this page you can find the example usage for org.springframework.web.socket TextMessage TextMessage.

Prototype

public TextMessage(byte[] payload)

Source Link

Document

Create a new text WebSocket message from the given byte[].

Usage

From source file:com.music.websocket.GameTest.java

private TextMessage getTextMessage(GameMessage msg) {
    String payload;//from  w  w  w. j  a v a2s .  c om
    try {
        payload = mapper.writeValueAsString(msg);
    } catch (JsonProcessingException e) {
        throw new IllegalStateException(e);
    }
    TextMessage message = new TextMessage(payload);
    return message;
}

From source file:org.kurento.tutorial.pointerdetector.PointerDetectorHandler.java

private void start(final WebSocketSession session, JsonObject jsonMessage) {
    try {//from w w  w.  j a va2 s .co  m
        // Media Logic (Media Pipeline and Elements)
        UserSession user = new UserSession();
        MediaPipeline pipeline = kurento.createMediaPipeline();
        user.setMediaPipeline(pipeline);
        WebRtcEndpoint webRtcEndpoint = new WebRtcEndpoint.Builder(pipeline).build();
        user.setWebRtcEndpoint(webRtcEndpoint);
        users.put(session.getId(), user);

        webRtcEndpoint.addIceCandidateFoundListener(new EventListener<IceCandidateFoundEvent>() {

            @Override
            public void onEvent(IceCandidateFoundEvent event) {
                JsonObject response = new JsonObject();
                response.addProperty("id", "iceCandidate");
                response.add("candidate", JsonUtils.toJsonObject(event.getCandidate()));
                try {
                    synchronized (session) {
                        session.sendMessage(new TextMessage(response.toString()));
                    }
                } catch (IOException e) {
                    log.debug(e.getMessage());
                }
            }
        });

        pointerDetectorFilter = new PointerDetectorFilter.Builder(pipeline, new WindowParam(5, 5, 30, 30))
                .build();

        pointerDetectorFilter.addWindow(new PointerDetectorWindowMediaParam("window0", 50, 50, 500, 150));

        pointerDetectorFilter.addWindow(new PointerDetectorWindowMediaParam("window1", 50, 50, 500, 250));

        webRtcEndpoint.connect(pointerDetectorFilter);
        pointerDetectorFilter.connect(webRtcEndpoint);

        pointerDetectorFilter.addWindowInListener(new EventListener<WindowInEvent>() {
            @Override
            public void onEvent(WindowInEvent event) {
                JsonObject response = new JsonObject();
                response.addProperty("id", "windowIn");
                response.addProperty("roiId", event.getWindowId());
                try {
                    session.sendMessage(new TextMessage(response.toString()));
                } catch (Throwable t) {
                    sendError(session, t.getMessage());
                }
            }
        });

        pointerDetectorFilter.addWindowOutListener(new EventListener<WindowOutEvent>() {

            @Override
            public void onEvent(WindowOutEvent event) {
                JsonObject response = new JsonObject();
                response.addProperty("id", "windowOut");
                response.addProperty("roiId", event.getWindowId());
                try {
                    session.sendMessage(new TextMessage(response.toString()));
                } catch (Throwable t) {
                    sendError(session, t.getMessage());
                }
            }
        });

        // SDP negotiation (offer and answer)
        String sdpOffer = jsonMessage.get("sdpOffer").getAsString();
        String sdpAnswer = webRtcEndpoint.processOffer(sdpOffer);

        // Sending response back to client
        JsonObject response = new JsonObject();
        response.addProperty("id", "startResponse");
        response.addProperty("sdpAnswer", sdpAnswer);
        synchronized (session) {
            session.sendMessage(new TextMessage(response.toString()));
        }

        webRtcEndpoint.gatherCandidates();

    } catch (Throwable t) {
        sendError(session, t.getMessage());
    }
}

From source file:org.kurento.demo.CrowdDetectorHandler.java

private static void sendError(WebSocketSession session, String message) {
    try {/*from www .  j  a v  a  2s .  c  om*/
        JsonObject response = new JsonObject();
        response.addProperty("id", "error");
        response.addProperty("message", message);
        session.sendMessage(new TextMessage(response.toString()));
    } catch (IOException e) {
        log.error("Exception sending message", e);
    }
}

From source file:ch.rasc.wampspring.pubsub.PubSubTest.java

@Test
public void testEventMessenger()
        throws InterruptedException, ExecutionException, IOException, TimeoutException {

    CompletableFutureWebSocketHandler result = new CompletableFutureWebSocketHandler(this.jsonFactory);
    try (WebSocketSession webSocketSession = startWebSocketSession(result)) {

        SubscribeMessage subscribeMsg = new SubscribeMessage("secondTopic");
        webSocketSession.sendMessage(new TextMessage(subscribeMsg.toJson(this.jsonFactory)));

        EventMessage event = (EventMessage) result.getWampMessage();
        assertThat(event.getTopicURI()).isEqualTo("secondTopic");
        assertThat(event.getEvent()).isEqualTo("a simple message");

    }/*w w  w.  j a  v a  2 s .  co m*/
}

From source file:org.kurento.tutorial.player.PlayerHandler.java

private void start(final WebSocketSession session, JsonObject jsonMessage) {
    // 1. Media pipeline
    final UserSession user = new UserSession();
    MediaPipeline pipeline = kurento.createMediaPipeline();
    user.setMediaPipeline(pipeline);/*from  ww w.  j  a  va2 s . co m*/
    WebRtcEndpoint webRtcEndpoint = new WebRtcEndpoint.Builder(pipeline).build();
    user.setWebRtcEndpoint(webRtcEndpoint);
    String videourl = jsonMessage.get("videourl").getAsString();
    final PlayerEndpoint playerEndpoint = new PlayerEndpoint.Builder(pipeline, videourl).build();
    user.setPlayerEndpoint(playerEndpoint);
    users.put(session.getId(), user);

    playerEndpoint.connect(webRtcEndpoint);

    // 2. WebRtcEndpoint
    // ICE candidates
    webRtcEndpoint.addIceCandidateFoundListener(new EventListener<IceCandidateFoundEvent>() {

        @Override
        public void onEvent(IceCandidateFoundEvent event) {
            JsonObject response = new JsonObject();
            response.addProperty("id", "iceCandidate");
            response.add("candidate", JsonUtils.toJsonObject(event.getCandidate()));
            try {
                synchronized (session) {
                    session.sendMessage(new TextMessage(response.toString()));
                }
            } catch (IOException e) {
                log.debug(e.getMessage());
            }
        }
    });

    String sdpOffer = jsonMessage.get("sdpOffer").getAsString();
    String sdpAnswer = webRtcEndpoint.processOffer(sdpOffer);

    JsonObject response = new JsonObject();
    response.addProperty("id", "startResponse");
    response.addProperty("sdpAnswer", sdpAnswer);
    sendMessage(session, response.toString());

    webRtcEndpoint.addMediaStateChangedListener(new EventListener<MediaStateChangedEvent>() {
        @Override
        public void onEvent(MediaStateChangedEvent event) {

            if (event.getNewState() == MediaState.CONNECTED) {
                VideoInfo videoInfo = playerEndpoint.getVideoInfo();

                JsonObject response = new JsonObject();
                response.addProperty("id", "videoInfo");
                response.addProperty("isSeekable", videoInfo.getIsSeekable());
                response.addProperty("initSeekable", videoInfo.getSeekableInit());
                response.addProperty("endSeekable", videoInfo.getSeekableEnd());
                response.addProperty("videoDuration", videoInfo.getDuration());
                sendMessage(session, response.toString());
            }
        }
    });

    webRtcEndpoint.gatherCandidates();

    // 3. PlayEndpoint
    playerEndpoint.addErrorListener(new EventListener<ErrorEvent>() {
        @Override
        public void onEvent(ErrorEvent event) {
            log.info("ErrorEvent: {}", event.getDescription());
            sendPlayEnd(session);
        }
    });

    playerEndpoint.addEndOfStreamListener(new EventListener<EndOfStreamEvent>() {
        @Override
        public void onEvent(EndOfStreamEvent event) {
            log.info("EndOfStreamEvent: {}", event.getTimestamp());
            sendPlayEnd(session);
        }
    });

    playerEndpoint.play();
}

From source file:ch.rasc.wampspring.pubsub.PubSubReplyAnnotationTest.java

@Test
public void testPublish3() throws InterruptedException, ExecutionException, IOException, TimeoutException {
    CompletableFutureWebSocketHandler result = new CompletableFutureWebSocketHandler(this.jsonFactory);
    try (WebSocketSession webSocketSession = startWebSocketSession(result)) {

        SubscribeMessage subscribeMsg = new SubscribeMessage("replyTo3");
        webSocketSession.sendMessage(new TextMessage(subscribeMsg.toJson(this.jsonFactory)));

        PublishMessage pm = new PublishMessage("incomingPublish3", "testPublish3");
        webSocketSession.sendMessage(new TextMessage(pm.toJson(this.jsonFactory)));

        EventMessage event = (EventMessage) result.getWampMessage();
        assertThat(event.getTopicURI()).isEqualTo("replyTo3");
        assertThat(event.getEvent()).isEqualTo("return3:testPublish3");

    }//from  w w w .j a  v a  2  s .c  o m
}

From source file:com.devicehive.websockets.AbstractWebSocketHandler.java

@Override
public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {
    logger.error("Error in session " + session.getId(), exception);
    JsonMessageBuilder builder;/*  w  ww.jav a 2  s .  c om*/

    session = sessionMonitor.getSession(session.getId());

    if (exception instanceof JsonParseException) {
        builder = JsonMessageBuilder.createErrorResponseBuilder(HttpServletResponse.SC_BAD_REQUEST,
                "Incorrect JSON syntax");
    } else {
        builder = JsonMessageBuilder.createErrorResponseBuilder(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                "Internal server error");
    }
    session.sendMessage(new TextMessage(GsonFactory.createGson().toJson(builder.build())));
}

From source file:org.kurento.tutorial.one2manycall.CallHandler.java

private synchronized void presenter(final WebSocketSession session, JsonObject jsonMessage) throws IOException {
    if (presenterUserSession == null) {
        presenterUserSession = new UserSession(session);

        pipeline = kurento.createMediaPipeline();
        presenterUserSession.setWebRtcEndpoint(new WebRtcEndpoint.Builder(pipeline).build());

        WebRtcEndpoint presenterWebRtc = presenterUserSession.getWebRtcEndpoint();

        presenterWebRtc.addIceCandidateFoundListener(new EventListener<IceCandidateFoundEvent>() {

            @Override/*from  w ww.j  av a2s . c  o  m*/
            public void onEvent(IceCandidateFoundEvent event) {
                JsonObject response = new JsonObject();
                response.addProperty("id", "iceCandidate");
                response.add("candidate", JsonUtils.toJsonObject(event.getCandidate()));
                try {
                    synchronized (session) {
                        session.sendMessage(new TextMessage(response.toString()));
                    }
                } catch (IOException e) {
                    log.debug(e.getMessage());
                }
            }
        });

        String sdpOffer = jsonMessage.getAsJsonPrimitive("sdpOffer").getAsString();
        String sdpAnswer = presenterWebRtc.processOffer(sdpOffer);

        JsonObject response = new JsonObject();
        response.addProperty("id", "presenterResponse");
        response.addProperty("response", "accepted");
        response.addProperty("sdpAnswer", sdpAnswer);

        synchronized (session) {
            presenterUserSession.sendMessage(response);
        }
        presenterWebRtc.gatherCandidates();

    } else {
        JsonObject response = new JsonObject();
        response.addProperty("id", "presenterResponse");
        response.addProperty("response", "rejected");
        response.addProperty("message", "Another user is currently acting as sender. Try again later ...");
        session.sendMessage(new TextMessage(response.toString()));
    }
}

From source file:org.kurento.tutorial.senddatachannel.SendDataChannelHandler.java

private void start(final WebSocketSession session, JsonObject jsonMessage) {
    try {/*from   w  w w. j  a  v  a2s.c o m*/
        // User session
        UserSession user = new UserSession();
        MediaPipeline pipeline = kurento.createMediaPipeline();
        user.setMediaPipeline(pipeline);
        WebRtcEndpoint webRtcEndpoint = new WebRtcEndpoint.Builder(pipeline).useDataChannels().build();
        user.setWebRtcEndpoint(webRtcEndpoint);
        PlayerEndpoint player = new PlayerEndpoint.Builder(pipeline,
                "http://files.kurento.org/video/filter/barcodes.webm").build();
        user.setPlayer(player);
        users.put(session.getId(), user);

        player.addErrorListener(new EventListener<ErrorEvent>() {
            @Override
            public void onEvent(ErrorEvent event) {
                log.info("ErrorEvent: {}", event.getDescription());
                sendPlayEnd(session);
            }
        });

        player.addEndOfStreamListener(new EventListener<EndOfStreamEvent>() {
            @Override
            public void onEvent(EndOfStreamEvent event) {
                log.info("EndOfStreamEvent: {}", event.getTimestamp());
                sendPlayEnd(session);
            }
        });

        // ICE candidates
        webRtcEndpoint.addOnIceCandidateListener(new EventListener<OnIceCandidateEvent>() {
            @Override
            public void onEvent(OnIceCandidateEvent event) {
                JsonObject response = new JsonObject();
                response.addProperty("id", "iceCandidate");
                response.add("candidate", JsonUtils.toJsonObject(event.getCandidate()));
                try {
                    synchronized (session) {
                        session.sendMessage(new TextMessage(response.toString()));
                    }
                } catch (IOException e) {
                    log.debug(e.getMessage());
                }
            }
        });

        // Media logic
        KmsSendData kmsSendData = new KmsSendData.Builder(pipeline).build();

        player.connect(kmsSendData);
        kmsSendData.connect(webRtcEndpoint);

        // SDP negotiation (offer and answer)
        String sdpOffer = jsonMessage.get("sdpOffer").getAsString();
        String sdpAnswer = webRtcEndpoint.processOffer(sdpOffer);

        JsonObject response = new JsonObject();
        response.addProperty("id", "startResponse");
        response.addProperty("sdpAnswer", sdpAnswer);

        synchronized (session) {
            session.sendMessage(new TextMessage(response.toString()));
        }

        webRtcEndpoint.gatherCandidates();
        player.play();

    } catch (Throwable t) {
        sendError(session, t.getMessage());
    }
}

From source file:org.kurento.tutorial.groupcall.UserSession.java

private WebRtcEndpoint getEndpointForUser(final UserSession sender) {
    if (sender.getName().equals(name)) {
        log.debug("PARTICIPANT {}: configuring loopback", this.name);
        return outgoingMedia;
    }//from  w  w  w. ja v a  2 s.  c o  m

    log.debug("PARTICIPANT {}: receiving video from {}", this.name, sender.getName());

    WebRtcEndpoint incoming = incomingMedia.get(sender.getName());
    if (incoming == null) {
        log.debug("PARTICIPANT {}: creating new endpoint for {}", this.name, sender.getName());
        incoming = new WebRtcEndpoint.Builder(pipeline).build();

        incoming.addIceCandidateFoundListener(new EventListener<IceCandidateFoundEvent>() {

            @Override
            public void onEvent(IceCandidateFoundEvent event) {
                JsonObject response = new JsonObject();
                response.addProperty("id", "iceCandidate");
                response.addProperty("name", sender.getName());
                response.add("candidate", JsonUtils.toJsonObject(event.getCandidate()));
                try {
                    synchronized (session) {
                        session.sendMessage(new TextMessage(response.toString()));
                    }
                } catch (IOException e) {
                    log.debug(e.getMessage());
                }
            }
        });

        incomingMedia.put(sender.getName(), incoming);
    }

    log.debug("PARTICIPANT {}: obtained endpoint for {}", this.name, sender.getName());
    sender.getOutgoingWebRtcPeer().connect(incoming);

    return incoming;
}