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.fluent;
28
29 import java.io.File;
30
31 import org.apache.hc.client5.http.fluent.Executor;
32 import org.apache.hc.client5.http.fluent.Form;
33 import org.apache.hc.client5.http.fluent.Request;
34 import org.apache.hc.core5.http.ContentType;
35 import org.apache.hc.core5.http.HttpHost;
36 import org.apache.hc.core5.http.HttpVersion;
37 import org.apache.hc.core5.util.Timeout;
38
39 /**
40 * This example demonstrates how the he HttpClient fluent API can be used to execute multiple
41 * requests within the same security context. The Executor class maintains a common context shared
42 * by all requests executed with it. The Executor is thread-safe and can be used to execute
43 * requests concurrently from multiple threads of execution.
44 */
45 public class FluentExecutor {
46
47 public static void main(final String... args)throws Exception {
48 final Executor executor = Executor.newInstance()
49 .auth(new HttpHost("somehost"), "username", "password".toCharArray())
50 .auth(new HttpHost("myproxy", 8080), "username", "password".toCharArray())
51 .authPreemptive(new HttpHost("myproxy", 8080));
52
53 // Execute a GET with timeout settings and return response content as String.
54 executor.execute(Request.get("http://somehost/")
55 .connectTimeout(Timeout.ofSeconds(1)))
56 .returnContent().asString();
57
58 // Execute a POST with the 'expect-continue' handshake, using HTTP/1.1,
59 // containing a request body as String and return response content as byte array.
60 executor.execute(Request.post("http://somehost/do-stuff")
61 .useExpectContinue()
62 .version(HttpVersion.HTTP_1_1)
63 .bodyString("Important stuff", ContentType.DEFAULT_TEXT)
64 ).returnContent().asBytes();
65
66 // Execute a POST with a custom header through the proxy containing a request body
67 // as an HTML form and save the result to the file
68 executor.execute(Request.post("http://somehost/some-form")
69 .addHeader("X-Custom-header", "stuff")
70 .viaProxy(new HttpHost("myproxy", 8080))
71 .bodyForm(Form.form().add("username", "vip").add("password", "secret").build())
72 ).saveContent(new File("result.dump"));
73 }
74
75 }