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27 package org.apache.hc.client5.http.examples;
28
29 import java.util.concurrent.Future;
30
31 import org.apache.hc.client5.http.ContextBuilder;
32 import org.apache.hc.client5.http.async.methods.SimpleHttpRequest;
33 import org.apache.hc.client5.http.async.methods.SimpleHttpResponse;
34 import org.apache.hc.client5.http.async.methods.SimpleRequestBuilder;
35 import org.apache.hc.client5.http.async.methods.SimpleRequestProducer;
36 import org.apache.hc.client5.http.async.methods.SimpleResponseConsumer;
37 import org.apache.hc.client5.http.auth.UsernamePasswordCredentials;
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.protocol.HttpClientContext;
41 import org.apache.hc.core5.concurrent.FutureCallback;
42 import org.apache.hc.core5.http.HttpHost;
43 import org.apache.hc.core5.http.message.StatusLine;
44 import org.apache.hc.core5.io.CloseMode;
45
46
47
48
49
50 public class AsyncPreemptiveBasicClientAuthentication {
51
52 public static void main(final String[] args) throws Exception {
53 final CloseableHttpAsyncClient httpclient = HttpAsyncClients.createDefault();
54 httpclient.start();
55
56 final HttpClientContext localContext = ContextBuilder.create()
57 .preemptiveBasicAuth(new HttpHost("http", "httpbin.org"),
58 new UsernamePasswordCredentials("user", "passwd".toCharArray()))
59 .build();
60
61 final SimpleHttpRequest request = SimpleRequestBuilder.get("http://httpbin.org:80/basic-auth/user/passwd")
62 .build();
63
64 System.out.println("Executing request " + request);
65 for (int i = 0; i < 3; i++) {
66 final Future<SimpleHttpResponse> future = httpclient.execute(
67 SimpleRequestProducer.create(request),
68 SimpleResponseConsumer.create(),
69 localContext,
70 new FutureCallback<SimpleHttpResponse>() {
71
72 @Override
73 public void completed(final SimpleHttpResponse response) {
74 System.out.println(request + "->" + new StatusLine(response));
75 System.out.println(response.getBody());
76 }
77
78 @Override
79 public void failed(final Exception ex) {
80 System.out.println(request + "->" + ex);
81 }
82
83 @Override
84 public void cancelled() {
85 System.out.println(request + " cancelled");
86 }
87
88 });
89 future.get();
90 }
91
92 System.out.println("Shutting down");
93 httpclient.close(CloseMode.GRACEFUL);
94 }
95 }