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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.hc.client5.http.examples;
28  
29  import org.apache.hc.client5.http.auth.AuthScope;
30  import org.apache.hc.client5.http.auth.UsernamePasswordCredentials;
31  import org.apache.hc.client5.http.classic.methods.HttpGet;
32  import org.apache.hc.client5.http.impl.auth.BasicCredentialsProvider;
33  import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
34  import org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
35  import org.apache.hc.client5.http.impl.classic.HttpClients;
36  import org.apache.hc.core5.http.io.entity.EntityUtils;
37  
38  /**
39   * A simple example that uses HttpClient to execute an HTTP request against
40   * a target site that requires user authentication.
41   */
42  public class ClientAuthentication {
43  
44      public static void main(final String[] args) throws Exception {
45          final BasicCredentialsProvider credsProvider = new BasicCredentialsProvider();
46          credsProvider.setCredentials(
47                  new AuthScope("httpbin.org", 80),
48                  new UsernamePasswordCredentials("user", "passwd".toCharArray()));
49          try (final CloseableHttpClient httpclient = HttpClients.custom()
50                  .setDefaultCredentialsProvider(credsProvider)
51                  .build()) {
52              final HttpGet httpget = new HttpGet("http://httpbin.org/basic-auth/user/passwd");
53  
54              System.out.println("Executing request " + httpget.getMethod() + " " + httpget.getUri());
55              try (final CloseableHttpResponse response = httpclient.execute(httpget)) {
56                  System.out.println("----------------------------------------");
57                  System.out.println(response.getCode() + " " + response.getReasonPhrase());
58                  System.out.println(EntityUtils.toString(response.getEntity()));
59              }
60          }
61      }
62  }