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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  
28  package org.apache.hc.client5.http.examples;
29  
30  import org.apache.hc.client5.http.classic.methods.HttpGet;
31  import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
32  import org.apache.hc.client5.http.impl.classic.HttpClients;
33  import org.apache.hc.core5.http.io.entity.EntityUtils;
34  import org.apache.hc.core5.http.message.StatusLine;
35  
36  /**
37   * This example demonstrates the recommended way of processing the HTTP response and releasing
38   * associated resources.
39   */
40  public class ClientResponseProcessing {
41  
42      public static void main(final String[] args) throws Exception {
43          try (final CloseableHttpClient httpclient = HttpClients.createDefault()) {
44              final HttpGet httpget = new HttpGet("http://httpbin.org/get");
45  
46              System.out.println("Executing request " + httpget.getMethod() + " " + httpget.getUri());
47  
48              final Result result = httpclient.execute(httpget, response -> {
49                  System.out.println("----------------------------------------");
50                  System.out.println(httpget + "->" + new StatusLine(response));
51                  // Process response message and convert it into a value object
52                  return new Result(response.getCode(), EntityUtils.toString(response.getEntity()));
53              });
54              System.out.println(result);
55          }
56      }
57  
58      static class Result {
59  
60          final int status;
61          final String content;
62  
63          Result(final int status, final String content) {
64              this.status = status;
65              this.content = content;
66          }
67  
68      }
69  
70  }
71