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:eu.nubomedia.tutorial.magicmirror.MagicMirrorHandler.java

private void error(WebSocketSession session, String message) {
    // Send error message to client
    JsonObject response = new JsonObject();
    response.addProperty("id", "error");
    response.addProperty("message", message);
    sendMessage(session, new TextMessage(response.toString()));

    // Release media session
    release(session);//from  ww w .  ja v a2 s  .c o m
}

From source file:org.kurento.tutorial.togglevideo.ToggleVideoHandler.java

private void processClientOffer(final WebSocketSession session, JsonObject jsonMessage) {
    try {//from  w  w w . j a va2s .c  om
        UserSession user = users.get(session.getId());
        if (user == null) {
            log.info("Creating new user session for user");
            MediaPipeline pipeline = kurento.createMediaPipeline();
            user = new UserSession();
            user.setMediaPipeline(pipeline);
            users.put(session.getId(), user);
        }

        WebRtcEndpoint webRtcEndpoint = new WebRtcEndpoint.Builder(user.getMediaPipeline()).build();
        webRtcEndpoint.connect(webRtcEndpoint);
        user.setWebRtcEndpoint(webRtcEndpoint);
        // 3. SDP negotiation
        String sdpOffer = jsonMessage.get("sdpOffer").getAsString();
        String sdpAnswer = user.getWebRtcEndpoint().processOffer(sdpOffer);

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

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

        // 4. Gather ICE candidates
        user.getWebRtcEndpoint().addIceCandidateFoundListener(event -> {
            JsonObject candidateMsg = new JsonObject();
            candidateMsg.addProperty("id", "iceCandidate");
            candidateMsg.add("candidate", JsonUtils.toJsonObject(event.getCandidate()));
            try {
                synchronized (session) {
                    session.sendMessage(new TextMessage(candidateMsg.toString()));
                }
            } catch (IOException e) {
                log.error(e.getMessage());
            }
        });

        user.getWebRtcEndpoint().gatherCandidates();

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

From source file:org.kurento.tutorial.chroma.ChromaHandler.java

private void start(final WebSocketSession session, JsonObject jsonMessage) {
    try {//from  w  w  w  . ja  va2 s.  c  o 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());
                }
            }
        });

        ChromaFilter chromaFilter = new ChromaFilter.Builder(pipeline, new WindowParam(5, 5, 40, 40)).build();
        String appServerUrl = System.getProperty("app.server.url", ChromaApp.DEFAULT_APP_SERVER_URL);
        chromaFilter.setBackground(appServerUrl + "/img/mario.jpg");

        webRtcEndpoint.connect(chromaFilter);
        chromaFilter.connect(webRtcEndpoint);

        // 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.acruxsource.sandbox.spring.jmstows.websocket.ChatHandler.java

public void sendMessage(final ChatMessage message) throws IOException {
    logger.info("Sending message to all participants");

    for (WebSocketSession session : sessions) {
        if (session.isOpen()) {
            DateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT_PATTERN);
            JsonObjectBuilder jsonObjectBuilder = Json.createObjectBuilder();
            jsonObjectBuilder.add("name", message.getName());
            jsonObjectBuilder.add("message", message.getMessage());
            jsonObjectBuilder.add("date", dateFormat.format(message.getDate()));
            session.sendMessage(new TextMessage(jsonObjectBuilder.build().toString()));
        } else {/*from  w w w . j  av a 2s.c  om*/
            sessions.remove(session);
        }
    }
}

From source file:org.kurento.tutorial.showdatachannel.ShowDataChannelHandler.java

private void start(final WebSocketSession session, JsonObject jsonMessage) {
    try {//from w  w w.j  a  v a2 s  . 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);
        users.put(session.getId(), user);

        // 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
        KmsShowData kmsShowData = new KmsShowData.Builder(pipeline).build();

        webRtcEndpoint.connect(kmsShowData);
        kmsShowData.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();

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

From source file:org.kurento.tutorial.metadata.MetadataHandler.java

private void start(final WebSocketSession session, JsonObject jsonMessage) {
    try {//  w  w w .j a  v  a2 s. com
        // User session
        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);

        // 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
        KmsDetectFaces detectFaces = new KmsDetectFaces.Builder(pipeline).build();
        KmsShowFaces showFaces = new KmsShowFaces.Builder(pipeline).build();

        webRtcEndpoint.connect(detectFaces);
        detectFaces.connect(showFaces);
        showFaces.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();

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

From source file:ch.rasc.wampspring.testsupport.BaseWampTest.java

protected void authenticate(CompletableFutureWebSocketHandler result, WebSocketSession webSocketSession)
        throws IOException, InterruptedException, InvalidKeyException, NoSuchAlgorithmException,
        ExecutionException, TimeoutException {
    CallMessage authReqCallMessage = new CallMessage("1", "http://api.wamp.ws/procedure#authreq", "a",
            Collections.emptyMap());
    webSocketSession.sendMessage(new TextMessage(authReqCallMessage.toJson(this.jsonFactory)));
    WampMessage response = result.getWampMessage();

    assertThat(response).isInstanceOf(CallResultMessage.class);
    CallResultMessage resultMessage = (CallResultMessage) response;
    assertThat(resultMessage.getCallID()).isEqualTo("1");
    assertThat(resultMessage.getResult()).isNotNull();

    result.reset();//from   ww w.  j a v  a2 s . co m

    String challengeBase64 = (String) resultMessage.getResult();
    String signature = DefaultAuthenticationHandler.generateHMacSHA256("secretofa", challengeBase64);

    CallMessage authCallMessage = new CallMessage("2", "http://api.wamp.ws/procedure#auth", signature);
    webSocketSession.sendMessage(new TextMessage(authCallMessage.toJson(this.jsonFactory)));
    response = result.getWampMessage();

    assertThat(response).isInstanceOf(CallResultMessage.class);
    resultMessage = (CallResultMessage) response;
    assertThat(resultMessage.getCallID()).isEqualTo("2");
    assertThat(resultMessage.getResult()).isNull();

    result.reset();
}

From source file:org.kurento.tutorial.platedetector.PlateDetectorHandler.java

private void start(final WebSocketSession session, JsonObject jsonMessage) {
    try {/*w w  w .j  a  v a  2  s  . c o  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());
                }
            }
        });

        PlateDetectorFilter plateDetectorFilter = new PlateDetectorFilter.Builder(pipeline).build();

        webRtcEndpoint.connect(plateDetectorFilter);
        plateDetectorFilter.connect(webRtcEndpoint);

        plateDetectorFilter.addPlateDetectedListener(new EventListener<PlateDetectedEvent>() {
            @Override
            public void onEvent(PlateDetectedEvent event) {
                JsonObject response = new JsonObject();
                response.addProperty("id", "plateDetected");
                response.addProperty("plate", event.getPlate());
                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:eu.nubomedia.tutorial.repository.RepositoryHandler.java

private void play(WebSocketSession session, JsonObject jsonMessage) {
    UserSession user = users.get(session.getId());
    if (user != null) {
        // Media logic for playing
        String sdpOffer = jsonMessage.get("sdpOffer").getAsString();
        String sdpAnswer = user.playRecording(session, sdpOffer);

        // Response message
        JsonObject response = new JsonObject();
        response.addProperty("id", "playResponse");
        response.addProperty("sdpAnswer", sdpAnswer);
        sendMessage(session, new TextMessage(response.toString()));
    }//ww w.ja  va2 s.c  o m
}

From source file:es.urjc.etsii.code.UserSession.java

public void initPresenter(String sdpOffer) {
    log.info("[Session number {} - WS session {}] Init presenter", sessionNumber, wsSession.getId());

    kurentoClient = createKurentoClient();
    mediaPipeline = kurentoClient.createMediaPipeline();
    webRtcEndpoint = createWebRtcEndpoint(mediaPipeline);

    addOnIceCandidateListener();//from  www. j  av  a  2s.  c  o  m

    String sdpAnswer = webRtcEndpoint.processOffer(sdpOffer);
    JsonObject response = new JsonObject();
    response.addProperty("id", "presenterResponse");
    response.addProperty("response", "accepted");
    response.addProperty("sdpAnswer", sdpAnswer);

    handler.sendMessage(wsSession, sessionNumber, new TextMessage(response.toString()));
    webRtcEndpoint.gatherCandidates();

}