Examples of com.ning.http.client.AsyncHttpClient

com.ning.http.client.AsyncHttpClient
ing.com/").execute();}The code above will block until the response is fully received. To execute asynchronous HTTP request, you create an {@link AsyncHandler} or its abstract implementation, {@link com.ning.http.client.AsyncCompletionHandler}{@code AsyncHttpClient c = new AsyncHttpClient(); Future f = c.prepareGet("http://www.ning.com/").execute(new AsyncCompletionHandler() { @Override public Response onCompleted(Response response) throws IOException { // Do something return response; } @Override public void onThrowable(Throwable t) { } }); Response response = f.get(); // We are just interested to retrieve the status code. Future f = c.prepareGet("http://www.ning.com/").execute(new AsyncCompletionHandler() { @Override public Integer onCompleted(Response response) throws IOException { // Do something return response.getStatusCode(); } @Override public void onThrowable(Throwable t) { } }); Integer statusCode = f.get();}The {@link AsyncCompletionHandler#onCompleted(com.ning.http.client.Response)} will be invoked once the http response has been fully read, which includethe http headers and the response body. Note that the entire response will be buffered in memory. You can also have more control about the how the response is asynchronously processed by using a {@link AsyncHandler}{@code AsyncHttpClient c = new AsyncHttpClient(); Future f = c.prepareGet("http://www.ning.com/").execute(new AsyncHandler() { private StringBuilder builder = new StringBuilder(); @Override public STATE onStatusReceived(HttpResponseStatus s) throws Exception { // return STATE.CONTINUE or STATE.ABORT return STATE.CONTINUE}@Override public STATE onHeadersReceived(HttpResponseHeaders bodyPart) throws Exception { // return STATE.CONTINUE or STATE.ABORT return STATE.CONTINUE } @Override public STATE onBodyPartReceived(HttpResponseBodyPart bodyPart) throws Exception { builder.append(new String(bodyPart)); // return STATE.CONTINUE or STATE.ABORT return STATE.CONTINUE } @Override public String onCompleted() throws Exception { // Will be invoked once the response has been fully read or a ResponseComplete exception // has been thrown. return builder.toString(); } @Override public void onThrowable(Throwable t) { } }); String bodyResponse = f.get(); } From any {@link HttpContent} sub classes, you can asynchronously process the response status,headers and body and decide when tostop the processing the response by throwing a new {link ResponseComplete} at any moment. This class can also be used without the need of {@link AsyncHandler}
{@code AsyncHttpClient c = new AsyncHttpClient(); Future f = c.prepareGet(TARGET_URL).execute(); Response r = f.get();}Finally, you can configure the AsyncHttpClient using an {@link AsyncHttpClientConfig} instance
{@code AsyncHttpClient c = new AsyncHttpClient(new AsyncHttpClientConfig.Builder().setRequestTimeoutInMs(...).build()); Future f = c.prepareGet(TARGET_URL).execute(); Response r = f.get();}An instance of this class will cache every HTTP 1.1 connections and close them when the {@link AsyncHttpClientConfig#getIdleConnectionTimeoutInMs()}expires. This object can hold many persistent connections to different host.


        return getSocket(new DefaultOptionsBuilder().runtime(asyncHttpClient, false).build(), socket);
    }


    public static Socket create() {
        AsyncHttpClient asyncHttpClient = createDefaultAsyncHttpClient(new DefaultOptionsBuilder().reconnect(true).build());


        return getSocket(new DefaultOptionsBuilder().runtime(asyncHttpClient, false).build(), DefaultSocket.class);
    }

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        super.setUp();
    }


    @Test
    public void testWSHttpCall() throws Exception {
        AsyncHttpClient c = new AsyncHttpClient();


        WebSocket websocket = c.prepareGet("ws://127.0.0.1:" + port + "/shop").execute(
            new WebSocketUpgradeHandler.Builder()
                .addWebSocketListener(new WebSocketTextListener() {
                    @Override
                    public void onMessage(String message) {
                        received.add(message);
                        log.info("received --> " + message);
                        latch.countDown();
                    }


                    @Override
                    public void onFragment(String fragment, boolean last) {
                    }


                    @Override
                    public void onOpen(WebSocket websocket) {
                    }


                    @Override
                    public void onClose(WebSocket websocket) {
                    }


                    @Override
                    public void onError(Throwable t) {
                        t.printStackTrace();
                    }
                }).build()).get();


        // Send message to the direct endpoint
        producer.sendBodyAndHeader("Beer on stock at Apache Mall", WebsocketConstants.SEND_TO_ALL, "true");


        assertTrue(latch.await(10, TimeUnit.SECONDS));


        assertEquals(1, received.size());
        assertEquals("Beer on stock at Apache Mall", received.get(0));


        websocket.close();
        c.close();
    }

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        // We call the route WebSocket BAR
        received.clear();
        latch = new CountDownLatch(1);


        AsyncHttpClient c = new AsyncHttpClient();


        WebSocket websocket = c.prepareGet("ws://127.0.0.1:" + port + "/bar").execute(
            new WebSocketUpgradeHandler.Builder()
                .addWebSocketListener(new WebSocketTextListener() {
                    @Override
                    public void onMessage(String message) {
                        received.add(message);
                        log.info("received --> " + message);
                        latch.countDown();
                    }


                    @Override
                    public void onFragment(String fragment, boolean last) {
                    }


                    @Override
                    public void onOpen(WebSocket websocket) {
                    }


                    @Override
                    public void onClose(WebSocket websocket) {
                    }


                    @Override
                    public void onError(Throwable t) {
                        t.printStackTrace();
                    }
                }).build()).get();


        websocket.sendTextMessage("Beer");
        assertTrue(latch.await(10, TimeUnit.SECONDS));


        assertEquals(1, received.size());
        assertEquals("The bar has Beer", received.get(0));


        websocket.close();
        c.close();


        // We call the route WebSocket PUB
        received.clear();
        latch = new CountDownLatch(1);


        c = new AsyncHttpClient();


        websocket = c.prepareGet("ws://127.0.0.1:" + port + "/pub").execute(
                new WebSocketUpgradeHandler.Builder()
                        .addWebSocketListener(new WebSocketTextListener() {
                            @Override
                            public void onMessage(String message) {
                                received.add(message);
                                log.info("received --> " + message);
                                latch.countDown();
                            }


                            @Override
                            public void onFragment(String fragment, boolean last) {
                            }


                            @Override
                            public void onOpen(WebSocket websocket) {
                            }


                            @Override
                            public void onClose(WebSocket websocket) {
                            }


                            @Override
                            public void onError(Throwable t) {
                                t.printStackTrace();
                            }
                        }).build()).get();


        websocket.sendTextMessage("wine");
        assertTrue(latch.await(10, TimeUnit.SECONDS));


        assertEquals(1, received.size());
        assertEquals("The pub has wine", received.get(0));


        websocket.close();
        c.close();
    }

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                    config = builder.build();
                }
            }
            
            if (config == null) {
                client = new AsyncHttpClient();
            } else {
                client = new AsyncHttpClient(config);
            }
        }
    }

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            public void run() {
                if (paused) {
                    LOG.debug("Message processing paused, not polling HTTP resource {}.", url);
                    return;
                }
                try (AsyncHttpClient client = new AsyncHttpClient()) {
                    final AsyncHttpClient.BoundRequestBuilder requestBuilder = client.prepareGet(url);


                    // Add custom headers if there are some.
                    if (headers != null) {
                        for (final Map.Entry<String, String> header : headers.entrySet()) {
                            requestBuilder.addHeader(header.getKey(), header.getValue());

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    {
        this.config = config;


        AsyncHttpClientConfig.Builder builder = new AsyncHttpClientConfig.Builder();
        builder.setMaximumConnectionsPerHost(-1);
        asyncSender = new AsyncHttpClient(builder.build());
    }

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        this.authorization = new BASE64Encoder().encode((username + ":" + password).getBytes());
        this.log = log;
    }


    private AsyncHttpClient getHttpClient() {
        return new AsyncHttpClient();
    }

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    @Override
    protected void doStart() throws Exception {
        super.doStart();
        if (client == null) {
            if (clientConfig != null) {
                client = new AsyncHttpClient(clientConfig);
            } else {
                client = new AsyncHttpClient();
            }
        }
    }

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        Response response = processRequest(request, context);
        return processResponse(request, context, response);
    }


    private Response processRequest(final ClientRequest cr, final HandlerContext context) throws IOException {
        AsyncHttpClient asyncHttpClient = openConnection(cr);
        NonCloseableOutputStream ncos = new NonCloseableOutputStream();
        OutputStream os = adaptOutputStream(ncos, cr, context.getOutputStreamAdapters());


        Request request = setupHttpRequest(cr, ncos, os);
        Response response;


        try {
            response = asyncHttpClient.executeRequest(request, new AsyncCompletionHandlerBase()
            {
                @Override
                public Response onCompleted(final Response response) throws Exception {
                    logger.debug("Response received: {}", response);
                    return super.onCompleted(response);

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        // setup proxy
        if (config.getProxyHost() != null) {
            c.setProxyServer(new ProxyServer(config.getProxyHost(), config.getProxyPort()));
        }


        return new AsyncHttpClient(c.build());
    }

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