Examples of org.atmosphere.websocket.WebSocketProcessor

org.atmosphere.websocket.WebSocketProcessor
Atmosphere's WebSocket Support implementation. The default behavior is implemented in {@link DefaultWebSocketProcessor}. This class is targeted at framework developer as it requires Atmosphere's internal knowledge.
This class can also be used to implement the JSR 345 recommendation. @author Jeanfrancois Arcand

    private static final Logger logger = LoggerFactory.getLogger(JettyAsyncSupport.class);
    private final WebSocketFactory webSocketFactory;


    public JettyAsyncSupport(AtmosphereConfig config) {
        super(config);
        final WebSocketProcessor webSocketProcessor = WebSocketProcessorFactory.getDefault().getWebSocketProcessor(config.framework());


        WebSocketFactory wsf;
        try {
            String[] jettyVersion = config.getServletContext().getServerInfo().substring(6).split("\\.");
            if (Integer.valueOf(jettyVersion[0]) > 7 || Integer.valueOf(jettyVersion[0]) == 7 && Integer.valueOf(jettyVersion[1]) > 4) {

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    @Test
    public void basicWorkflow() throws IOException, ServletException, ExecutionException, InterruptedException {
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        final WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);
        registerWebSocketHandler("/*", new WebSocketProcessor.WebSocketHandlerProxy(new EchoHandler()));


        AtmosphereRequest request = new AtmosphereRequest.Builder().destroyable(false).body("yoComet").pathInfo("/a").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w, "yoWebSocket");


        assertEquals(b.toString(), "yoWebSocket");
    }

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    @Test
    public void invalidPathHandler() throws IOException, ServletException, ExecutionException, InterruptedException {
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        final WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);
        registerWebSocketHandler("/a", new WebSocketProcessor.WebSocketHandlerProxy(new EchoHandler()));


        AtmosphereRequest request = new AtmosphereRequest.Builder().destroyable(false).body("yoComet").pathInfo("/abcd").build();
        try {
            processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
            fail();
        } catch (Exception ex) {
            assertEquals(ex.getClass(), AtmosphereMappingException.class);
        }
    }

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    @Test
    public void multipleWebSocketHandler() throws IOException, ServletException, ExecutionException, InterruptedException {
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        final WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);


        registerWebSocketHandler("/a", new WebSocketProcessor.WebSocketHandlerProxy(new EchoHandler()));
        registerWebSocketHandler("/b", new WebSocketProcessor.WebSocketHandlerProxy(new EchoHandler()));


        AtmosphereRequest request = new AtmosphereRequest.Builder().destroyable(false).body("a").pathInfo("/a").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w, "a");


        assertEquals(b.toString(), "a");


        request = new AtmosphereRequest.Builder().destroyable(false).body("b").pathInfo("/b").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w, "b");


        // The WebSocketHandler is shared.
        assertEquals(b.toString(), "ab");
    }

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    @Test
    public void multipleWebSocketAndHandler() throws IOException, ServletException, ExecutionException, InterruptedException {
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        final WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);


        registerWebSocketHandler("/a", new WebSocketProcessor.WebSocketHandlerProxy(new EchoHandler()));
        registerWebSocketHandler("/b", new WebSocketProcessor.WebSocketHandlerProxy(new EchoHandler() {
            @Override
            public void onTextMessage(WebSocket webSocket, String data) throws IOException {
                webSocket.write("2" + data);
            }
        }));


        AtmosphereRequest request = new AtmosphereRequest.Builder().destroyable(false).body("a").pathInfo("/a").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w, "a");


        assertEquals(b.toString(), "a");
        ByteArrayOutputStream b2 = new ByteArrayOutputStream();
        final WebSocket w2 = new ArrayBaseWebSocket(b2);
        request = new AtmosphereRequest.Builder().destroyable(false).body("b").pathInfo("/b").build();
        processor.open(w2, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w2, "b");


        // The WebSocketHandler is shared.
        assertEquals(b2.toString(), "2b");
    }

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    @Test
    public void basicWorkflow() throws IOException, ServletException, ExecutionException, InterruptedException {
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        final WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);


        framework.addAtmosphereHandler("/*", new AtmosphereHandler() {


            @Override
            public void onRequest(AtmosphereResource resource) throws IOException {
                resource.getBroadcaster().addAtmosphereResource(resource.suspend());
                resource.getResponse().write(resource.getRequest().getReader().readLine());
            }


            @Override
            public void onStateChange(AtmosphereResourceEvent event) throws IOException {
                event.getResource().write(event.getMessage().toString().getBytes());
            }


            @Override
            public void destroy() {
            }
        });


        AtmosphereRequest request = new AtmosphereRequest.Builder().destroyable(false).body("yoComet").pathInfo("/a").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w, "yoWebSocket");
        framework.getBroadcasterFactory().lookup("/*").broadcast("yoBroadcast").get();


        assertEquals(b.toString(), "yoCometyoWebSocketyoBroadcast");


    }

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    @Test
    public void encodeURLProxyTest() throws IOException, ServletException, ExecutionException, InterruptedException {
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        final WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);
        final AtomicReference<String> url = new AtomicReference<String>();


        framework.addAtmosphereHandler("/*", new AtmosphereHandler() {


            @Override
            public void onRequest(AtmosphereResource resource) throws IOException {
                url.set(resource.getResponse().encodeRedirectURL("http://127.0.0.1:8080"));
            }


            @Override
            public void onStateChange(AtmosphereResourceEvent event) throws IOException {
            }


            @Override
            public void destroy() {
            }
        });


        AtmosphereRequest request = new AtmosphereRequest.Builder().destroyable(false).body("yoComet").pathInfo("/a").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w, "yoWebSocket");


        assertEquals(url.get(), "http://127.0.0.1:8080");


    }

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    @Test
    public void basicBackwardCompatbileWorkflow() throws Throwable {
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        final WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);


        framework.getBroadcasterFactory().remove("/*");


        framework.addInitParameter(ApplicationConfig.BACKWARD_COMPATIBLE_WEBSOCKET_BEHAVIOR, "true")
                .addAtmosphereHandler("/*", new AtmosphereHandler() {


                    @Override
                    public void onRequest(AtmosphereResource resource) throws IOException {
                        resource.getBroadcaster().addAtmosphereResource(resource);
                        resource.getResponse().write(resource.getRequest().getReader().readLine());
                    }


                    @Override
                    public void onStateChange(AtmosphereResourceEvent event) throws IOException {
                        event.getResource().write(event.getMessage().toString().getBytes());
                    }


                    @Override
                    public void destroy() {
                    }
                });


        AtmosphereRequest request = new AtmosphereRequest.Builder().destroyable(false).body("yoComet").pathInfo("/a").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w, "yoWebSocket");
        framework.getBroadcasterFactory().lookup("/*").broadcast("yoBroadcast").get();


        assertEquals(b.toString(), "yoCometyoWebSocketyoBroadcastyoBroadcast");


    }

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    public void basicWebSocketCookieTest() throws IOException, ServletException, ExecutionException, InterruptedException {
        final AtomicReference<Cookie> cValue = new AtomicReference<Cookie>();
        final AtomicReference<AtmosphereResource> r = new AtomicReference<AtmosphereResource>();
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);


        framework.addAtmosphereHandler("/*", new AtmosphereHandler() {


            @Override
            public void onRequest(AtmosphereResource resource) throws IOException {
                r.set(resource);
                resource.getBroadcaster().addAtmosphereResource(resource);
            }


            @Override
            public void onStateChange(AtmosphereResourceEvent event) throws IOException {
                Cookie[] c = event.getResource().getRequest().getCookies();
                cValue.set(c[0]);
            }


            @Override
            public void destroy() {
            }
        });
        Set<Cookie> c = new HashSet<Cookie>();
        c.add(new Cookie("yo", "man"));


        AtmosphereRequest request = new AtmosphereRequest.Builder().cookies(c).pathInfo("/a").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));


        r.get().getBroadcaster().broadcast("yo").get();
        assertNotNull(cValue.get());


        Cookie i = c.iterator().next();

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    @Test
    public void onDisconnectAtmosphereRequestAttribute() throws IOException, ServletException, ExecutionException, InterruptedException {
        ByteArrayOutputStream b = new ByteArrayOutputStream();
        final WebSocket w = new ArrayBaseWebSocket(b);
        final WebSocketProcessor processor = WebSocketProcessorFactory.getDefault()
                .getWebSocketProcessor(framework);
        final AtomicReference<String> uuid = new AtomicReference<String>();


        framework.addAtmosphereHandler("/*", new AtmosphereHandler() {


            @Override
            public void onRequest(AtmosphereResource resource) throws IOException {
                resource.addEventListener(new WebSocketEventListenerAdapter() {
                    @Override
                    public void onDisconnect(WebSocketEvent event) {
                        uuid.set((String) event.webSocket().resource().getRequest().getAttribute(SUSPENDED_ATMOSPHERE_RESOURCE_UUID));
                    }
                });
            }


            @Override
            public void onStateChange(AtmosphereResourceEvent event) throws IOException {
            }


            @Override
            public void destroy() {
            }
        });


        AtmosphereRequest request = new AtmosphereRequest.Builder().destroyable(false).body("yoComet").pathInfo("/a").build();
        processor.open(w, request, AtmosphereResponse.newInstance(framework.getAtmosphereConfig(), request, w));
        processor.invokeWebSocketProtocol(w, "yoWebSocket");
        processor.notifyListener(w, new WebSocketEventListener.WebSocketEvent("Disconnect", DISCONNECT, w));


        assertNotNull(uuid.get());
        assertEquals(uuid.get(), request.getAttribute(SUSPENDED_ATMOSPHERE_RESOURCE_UUID));
    }

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