List of usage examples for org.apache.http.nio.protocol HttpAsyncRequester HttpAsyncRequester
public HttpAsyncRequester(final HttpProcessor httpprocessor)
From source file:com.yulore.demo.NHttpClient.java
public static void main(String[] args) throws Exception { // Create HTTP protocol processing chain HttpProcessor httpproc = HttpProcessorBuilder.create() // Use standard client-side protocol interceptors .add(new RequestContent()).add(new RequestTargetHost()).add(new RequestConnControl()) .add(new RequestUserAgent("Test/1.1")).add(new RequestExpectContinue(true)).build(); // Create client-side HTTP protocol handler HttpAsyncRequestExecutor protocolHandler = new HttpAsyncRequestExecutor(); // Create client-side I/O event dispatch final IOEventDispatch ioEventDispatch = new DefaultHttpClientIODispatch(protocolHandler, ConnectionConfig.DEFAULT);/* w w w . j a v a 2 s.co m*/ // Create client-side I/O reactor final ConnectingIOReactor ioReactor = new DefaultConnectingIOReactor(); // Create HTTP connection pool BasicNIOConnPool pool = new BasicNIOConnPool(ioReactor, ConnectionConfig.DEFAULT); // Limit total number of connections to just two pool.setDefaultMaxPerRoute(2); pool.setMaxTotal(2); // Run the I/O reactor in a separate thread Thread t = new Thread(new Runnable() { public void run() { try { // Ready to go! ioReactor.execute(ioEventDispatch); } catch (InterruptedIOException ex) { System.err.println("Interrupted"); } catch (IOException e) { System.err.println("I/O error: " + e.getMessage()); } System.out.println("Shutdown"); } }); // Start the client thread t.start(); // Create HTTP requester HttpAsyncRequester requester = new HttpAsyncRequester(httpproc); // Execute HTTP GETs to the following hosts and HttpHost[] targets = new HttpHost[] { new HttpHost("www.apache.org", 80, "http"), new HttpHost("www.verisign.com", 443, "https"), new HttpHost("www.google.com", 80, "http") }; final CountDownLatch latch = new CountDownLatch(targets.length); for (final HttpHost target : targets) { BasicHttpRequest request = new BasicHttpRequest("GET", "/"); HttpCoreContext coreContext = HttpCoreContext.create(); requester.execute(new BasicAsyncRequestProducer(target, request), new BasicAsyncResponseConsumer(), pool, coreContext, // Handle HTTP response from a callback new FutureCallback<HttpResponse>() { public void completed(final HttpResponse response) { latch.countDown(); System.out.println(target + "->" + response.getStatusLine()); } public void failed(final Exception ex) { latch.countDown(); System.out.println(target + "->" + ex); } public void cancelled() { latch.countDown(); System.out.println(target + " cancelled"); } }); } latch.await(); System.out.println("Shutting down I/O reactor"); ioReactor.shutdown(); System.out.println("Done"); }
From source file:framework.httpclient.nio.NHttpClient.java
public static void main(String[] args) throws Exception { // Create HTTP protocol processing chain HttpProcessor httpproc = HttpProcessorBuilder.create() // Use standard client-side protocol interceptors .add(new RequestContent()).add(new RequestTargetHost()).add(new RequestConnControl()) .add(new RequestUserAgent("LinkedHashSetVsTreeSet/1.1")).add(new RequestExpectContinue(true)) .build();//from w w w .ja v a 2 s . co m // Create client-side HTTP protocol handler HttpAsyncRequestExecutor protocolHandler = new HttpAsyncRequestExecutor(); // Create client-side I/O event dispatch // IO final IOEventDispatch ioEventDispatch = new DefaultHttpClientIODispatch(protocolHandler, ConnectionConfig.DEFAULT); // Create client-side I/O reactor // IO reactor final ConnectingIOReactor ioReactor = new DefaultConnectingIOReactor(); // Create HTTP connection pool // HTTP BasicNIOConnPool pool = new BasicNIOConnPool(ioReactor, ConnectionConfig.DEFAULT); // Limit total number of connections to just two pool.setDefaultMaxPerRoute(2); pool.setMaxTotal(2); // Run the I/O reactor in a separate thread Thread t = new Thread(new Runnable() { public void run() { try { // Ready to go! ioReactor.execute(ioEventDispatch); } catch (InterruptedIOException ex) { System.err.println("Interrupted"); } catch (IOException e) { System.err.println("I/O error: " + e.getMessage()); } System.out.println("Shutdown"); } }); // Start the client thread t.start(); // Create HTTP requester // HTTP HttpAsyncRequester requester = new HttpAsyncRequester(httpproc); // Execute HTTP GETs to the following hosts and HttpHost[] targets = new HttpHost[] { new HttpHost("www.baidu.org", -1, "https"), // new HttpHost("www.zhihu.com", -1, "https"), new HttpHost("www.bilibili.com", -1, "https") }; final CountDownLatch latch = new CountDownLatch(targets.length); for (final HttpHost target : targets) { BasicHttpRequest request = new BasicHttpRequest("GET", "/"); HttpCoreContext coreContext = HttpCoreContext.create(); requester.execute(new BasicAsyncRequestProducer(target, request), new BasicAsyncResponseConsumer(), pool, coreContext, // Handle HTTP response from a callback new FutureCallback<HttpResponse>() { public void completed(final HttpResponse response) { latch.countDown(); System.out.println(target + "->" + response.getStatusLine()); } public void failed(final Exception ex) { latch.countDown(); System.err.println(target + "->" + ex); ex.printStackTrace(); } public void cancelled() { latch.countDown(); System.out.println(target + " cancelled"); } }); } latch.await(); System.out.println("Shutting down I/O reactor"); ioReactor.shutdown(); System.out.println("Done"); }