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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.SimpleHttpRequests;
35 import org.apache.hc.client5.http.async.methods.SimpleHttpResponse;
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.nio.ssl.TlsStrategy;
47 import org.apache.hc.core5.http2.HttpVersionPolicy;
48 import org.apache.hc.core5.io.CloseMode;
49
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53
54 public class AsyncClientTlsAlpn {
55
56 public final static void main(final String[] args) throws Exception {
57 final TlsStrategy tlsStrategy = ClientTlsStrategyBuilder.create()
58 .useSystemProperties()
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70
71 .build();
72 final PoolingAsyncClientConnectionManager cm = PoolingAsyncClientConnectionManagerBuilder.create()
73 .setTlsStrategy(tlsStrategy)
74 .build();
75 try (final CloseableHttpAsyncClient client = HttpAsyncClients.custom()
76 .setVersionPolicy(HttpVersionPolicy.NEGOTIATE)
77 .setConnectionManager(cm)
78 .build()) {
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80 client.start();
81
82 final HttpHost target = new HttpHost("https", "nghttp2.org", 443);
83 final String requestUri = "/httpbin/";
84 final HttpClientContext clientContext = HttpClientContext.create();
85
86 final SimpleHttpRequest request = SimpleHttpRequests.get(target, requestUri);
87 final Future<SimpleHttpResponse> future = client.execute(
88 SimpleRequestProducer.create(request),
89 SimpleResponseConsumer.create(),
90 clientContext,
91 new FutureCallback<SimpleHttpResponse>() {
92
93 @Override
94 public void completed(final SimpleHttpResponse response) {
95 System.out.println(requestUri + "->" + response.getCode());
96 System.out.println(response.getBody());
97 final SSLSession sslSession = clientContext.getSSLSession();
98 if (sslSession != null) {
99 System.out.println("SSL protocol " + sslSession.getProtocol());
100 System.out.println("SSL cipher suite " + sslSession.getCipherSuite());
101 }
102 }
103
104 @Override
105 public void failed(final Exception ex) {
106 System.out.println(requestUri + "->" + ex);
107 }
108
109 @Override
110 public void cancelled() {
111 System.out.println(requestUri + " cancelled");
112 }
113
114 });
115 future.get();
116
117 System.out.println("Shutting down");
118 client.close(CloseMode.GRACEFUL);
119 }
120 }
121
122 }