Examples of org.asynchttpclient.AsyncHttpClient

org.asynchttpclient.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 AsyncCompletionHandler}

 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();

You can also have more control about the how the response is asynchronously processed by using a {@link AsyncHandler}

 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();

This class can also be used without the need of {@link AsyncHandler}

 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

 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#getReadTimeout()}expires. This object can hold many persistent connections to different host.

        }
    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPutInputStreamTest() throws Exception {
        AsyncHttpClient client = getAsyncHttpClient(null);
        try {
            final CountDownLatch l = new CountDownLatch(1);
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < 5; i++) {
                sb.append("param_").append(i).append("=value_").append(i).append("&");
            }
            sb.setLength(sb.length() - 1);
            ByteArrayInputStream is = new ByteArrayInputStream(sb.toString().getBytes());


            client.preparePut(getTargetUrl()).setHeaders(h).setBody(is).execute(new AsyncCompletionHandlerAdapter() {


                @Override
                public Response onCompleted(Response response) throws Exception {
                    try {
                        assertEquals(response.getStatusCode(), 200);
                        for (int i = 1; i < 5; i++) {
                            assertEquals(response.getHeader("X-param_" + i), "value_" + i);
                        }
                    } finally {
                        l.countDown();
                    }
                    return response;
                }
            }).get();
            if (!l.await(TIMEOUT, TimeUnit.SECONDS)) {
                fail("Timeout out");
            }
        } finally {
            client.close();
        }
    }

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        }
    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPostMultiPartTest() throws Exception {
        AsyncHttpClient client = getAsyncHttpClient(null);
        try {
            final CountDownLatch l = new CountDownLatch(1);


            Part p = new StringPart("foo", "bar");


            client.preparePost(getTargetUrl()).addBodyPart(p).execute(new AsyncCompletionHandlerAdapter() {


                @Override
                public Response onCompleted(Response response) throws Exception {
                    try {
                        String xContentType = response.getHeader("X-Content-Type");
                        String boundary = xContentType.substring((xContentType.indexOf("boundary") + "boundary".length() + 1));


                        String s = response.getResponseBodyExcerpt(boundary.length() + "--".length()).substring("--".length());
                        assertEquals(boundary, s);
                    } finally {
                        l.countDown();
                    }
                    return response;
                }
            }).get();
            if (!l.await(TIMEOUT, TimeUnit.SECONDS)) {
                fail("Timeout out");
            }
        } finally {
            client.close();
        }
    }

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        }
    }
    
    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPostBasicGZIPTest() throws Exception {
        AsyncHttpClient client = getAsyncHttpClient(new AsyncHttpClientConfig.Builder().build());
        try {
            final CountDownLatch l = new CountDownLatch(1);
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < 5; i++) {
                sb.append("param_").append(i).append("=value_").append(i).append("&");
            }
            sb.setLength(sb.length() - 1);


            client.preparePost(getTargetUrl()).setHeaders(h).setBody(sb.toString()).execute(new AsyncCompletionHandlerAdapter() {


                @Override
                public Response onCompleted(Response response) throws Exception {
                    try {
                        assertEquals(response.getStatusCode(), 200);
                        assertEquals(response.getHeader("X-Accept-Encoding"), acceptEncodingHeader());
                    } finally {
                        l.countDown();
                    }
                    return response;
                }
            }).get();
            
            if (!l.await(TIMEOUT, TimeUnit.SECONDS)) {
                fail("Timeout out");
            }
        } finally {
            client.close();
        }
    }

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        }
    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPostProxyTest() throws Exception {
        AsyncHttpClient client = getAsyncHttpClient(new AsyncHttpClientConfig.Builder().setProxyServer(new ProxyServer("127.0.0.1", port2)).build());
        try {
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < 5; i++) {
                sb.append("param_").append(i).append("=value_").append(i).append("&");
            }
            sb.setLength(sb.length() - 1);


            Response response = client.preparePost(getTargetUrl()).setHeaders(h).setBody(sb.toString()).execute(new AsyncCompletionHandler<Response>() {
                @Override
                public Response onCompleted(Response response) throws Exception {
                    return response;
                }


                @Override
                public void onThrowable(Throwable t) {
                }
            }).get();


            assertEquals(response.getStatusCode(), 200);
            assertEquals(response.getHeader("X-Connection"), "keep-alive");
        } finally {
            client.close();
        }
    }

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        }
    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncRequestVirtualServerPOSTTest() throws Exception {
        AsyncHttpClient client = getAsyncHttpClient(null);
        try {
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");


            Map<String, List<String>> m = new HashMap<String, List<String>>();
            for (int i = 0; i < 5; i++) {
                m.put("param_" + i, Arrays.asList("value_" + i));
            }
            Request request = new RequestBuilder("POST").setUrl(getTargetUrl()).setHeaders(h).setFormParams(m).setVirtualHost("localhost:" + port1).build();


            Response response = client.executeRequest(request, new AsyncCompletionHandlerAdapter()).get();


            assertEquals(response.getStatusCode(), 200);
            if (response.getHeader("X-Host").startsWith("localhost")) {
                assertEquals(response.getHeader("X-Host"), "localhost:" + port1);
            } else {
                assertEquals(response.getHeader("X-Host"), "127.0.0.1:" + port1);
            }
        } finally {
            client.close();
        }
    }

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        }
    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPutTest() throws Exception {
        AsyncHttpClient client = getAsyncHttpClient(null);
        try {
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < 5; i++) {
                sb.append("param_").append(i).append("=value_").append(i).append("&");
            }
            sb.setLength(sb.length() - 1);


            Response response = client.preparePut(getTargetUrl()).setHeaders(h).setBody(sb.toString()).execute(new AsyncCompletionHandlerAdapter()).get();


            assertEquals(response.getStatusCode(), 200);
        } finally {
            client.close();
        }
    }

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        }
    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPostLatchBytesTest() throws Exception {
        AsyncHttpClient c = getAsyncHttpClient(null);
        try {
            final CountDownLatch l = new CountDownLatch(1);
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < 5; i++) {
                sb.append("param_").append(i).append("=value_").append(i).append("&");
            }
            sb.setLength(sb.length() - 1);


            c.preparePost(getTargetUrl()).setHeaders(h).setBody(sb.toString()).execute(new AsyncCompletionHandlerAdapter() {


                @Override
                public Response onCompleted(Response response) throws Exception {
                    try {
                        assertEquals(response.getStatusCode(), 200);
                        for (int i = 1; i < 5; i++) {
                            assertEquals(response.getHeader("X-param_" + i), "value_" + i);
                        }
                        return response;
                    } finally {
                        l.countDown();
                    }
                }
            });


            if (!l.await(TIMEOUT, TimeUnit.SECONDS)) {
                fail("Timeout out");
            }
        } finally {
            c.close();
        }
    }

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        }
    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPostDelayCancelTest() throws Exception {
        AsyncHttpClient client = getAsyncHttpClient(null);
        try {
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");
            h.add("LockThread", "true");
            StringBuilder sb = new StringBuilder();
            sb.append("LockThread=true");


            Future<Response> future = client.preparePost(getTargetUrl()).setHeaders(h).setBody(sb.toString()).execute(new AsyncCompletionHandlerAdapter() {
                @Override
                public void onThrowable(Throwable t) {
                }
            });
            future.cancel(true);
            Response response = future.get(TIMEOUT, TimeUnit.SECONDS);
            assertNull(response);
        } finally {
            client.close();
        }
    }

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        }
    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPostDelayBytesTest() throws Exception {
        AsyncHttpClient client = getAsyncHttpClient(null);
        try {
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");
            h.add("LockThread", "true");
            StringBuilder sb = new StringBuilder();
            sb.append("LockThread=true");


            try {
                Future<Response> future = client.preparePost(getTargetUrl()).setHeaders(h).setBody(sb.toString()).execute(new AsyncCompletionHandlerAdapter() {
                    @Override
                    public void onThrowable(Throwable t) {
                        t.printStackTrace();
                    }
                });


                future.get(10, TimeUnit.SECONDS);
            } catch (ExecutionException ex) {
                if (ex.getCause() instanceof TimeoutException) {
                    assertTrue(true);
                }
            } catch (TimeoutException te) {
                assertTrue(true);
            } catch (IllegalStateException ex) {
                assertTrue(false);
            }
        } finally {
            client.close();
        }
    }

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    }


    @Test(groups = { "standalone", "default_provider", "async" })
    public void asyncDoPostNullBytesTest() throws Exception {


        AsyncHttpClient client = getAsyncHttpClient(null);
        try {
            FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
            h.add("Content-Type", "application/x-www-form-urlencoded");
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < 5; i++) {
                sb.append("param_").append(i).append("=value_").append(i).append("&");
            }
            sb.setLength(sb.length() - 1);


            Future<Response> future = client.preparePost(getTargetUrl()).setHeaders(h).setBody(sb.toString()).execute(new AsyncCompletionHandlerAdapter());


            Response response = future.get();
            assertNotNull(response);
            assertEquals(response.getStatusCode(), 200);
        } finally {
            client.close();
        }
    }

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Related Classes of org.asynchttpclient.AsyncHttpClient

org.asynchttpclient.async.AsyncProvidersBasicTest

org.asynchttpclient.async.AsyncStreamHandlerTest

org.asynchttpclient.async.AsyncStreamLifecycleTest

org.asynchttpclient.async.AuthTimeoutTest

org.asynchttpclient.async.BasicAuthTest

org.asynchttpclient.async.BasicHttpsTest

org.asynchttpclient.async.BodyChunkTest

org.asynchttpclient.async.BodyDeferringAsyncHandlerTest

org.asynchttpclient.async.ByteBufferCapacityTest

org.asynchttpclient.async.ChunkingTest

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