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27 package org.apache.hc.client5.http.examples;
28
29 import java.util.concurrent.Future;
30
31 import javax.net.ssl.SSLSession;
32
33 import org.apache.hc.client5.http.async.methods.SimpleHttpRequest;
34 import org.apache.hc.client5.http.async.methods.SimpleHttpResponse;
35 import org.apache.hc.client5.http.async.methods.SimpleRequestBuilder;
36 import org.apache.hc.client5.http.async.methods.SimpleRequestProducer;
37 import org.apache.hc.client5.http.async.methods.SimpleResponseConsumer;
38 import org.apache.hc.client5.http.impl.async.CloseableHttpAsyncClient;
39 import org.apache.hc.client5.http.impl.async.HttpAsyncClients;
40 import org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManager;
41 import org.apache.hc.client5.http.impl.nio.PoolingAsyncClientConnectionManagerBuilder;
42 import org.apache.hc.client5.http.protocol.HttpClientContext;
43 import org.apache.hc.client5.http.ssl.ClientTlsStrategyBuilder;
44 import org.apache.hc.core5.concurrent.FutureCallback;
45 import org.apache.hc.core5.http.HttpHost;
46 import org.apache.hc.core5.http.message.StatusLine;
47 import org.apache.hc.core5.http.nio.ssl.TlsStrategy;
48 import org.apache.hc.core5.http2.HttpVersionPolicy;
49 import org.apache.hc.core5.io.CloseMode;
50
51
52
53
54
55 public class AsyncClientTlsAlpn {
56
57 public final static void main(final String[] args) throws Exception {
58 final TlsStrategy tlsStrategy = ClientTlsStrategyBuilder.create()
59 .useSystemProperties()
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71
72 .build();
73 final PoolingAsyncClientConnectionManager cm = PoolingAsyncClientConnectionManagerBuilder.create()
74 .setTlsStrategy(tlsStrategy)
75 .build();
76 try (final CloseableHttpAsyncClient client = HttpAsyncClients.custom()
77 .setVersionPolicy(HttpVersionPolicy.NEGOTIATE)
78 .setConnectionManager(cm)
79 .build()) {
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81 client.start();
82
83 final HttpHost target = new HttpHost("https", "nghttp2.org");
84 final HttpClientContext clientContext = HttpClientContext.create();
85
86 final SimpleHttpRequest request = SimpleRequestBuilder.get()
87 .setHttpHost(target)
88 .setPath("/httpbin/")
89 .build();
90
91 System.out.println("Executing request " + request);
92 final Future<SimpleHttpResponse> future = client.execute(
93 SimpleRequestProducer.create(request),
94 SimpleResponseConsumer.create(),
95 clientContext,
96 new FutureCallback<SimpleHttpResponse>() {
97
98 @Override
99 public void completed(final SimpleHttpResponse response) {
100 System.out.println(request + "->" + new StatusLine(response));
101 final SSLSession sslSession = clientContext.getSSLSession();
102 if (sslSession != null) {
103 System.out.println("SSL protocol " + sslSession.getProtocol());
104 System.out.println("SSL cipher suite " + sslSession.getCipherSuite());
105 }
106 System.out.println(response.getBody());
107 }
108
109 @Override
110 public void failed(final Exception ex) {
111 System.out.println(request + "->" + ex);
112 }
113
114 @Override
115 public void cancelled() {
116 System.out.println(request + " cancelled");
117 }
118
119 });
120 future.get();
121
122 System.out.println("Shutting down");
123 client.close(CloseMode.GRACEFUL);
124 }
125 }
126
127 }