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.http.impl.client;
29
30 import org.apache.http.conn.HttpClientConnectionManager;
31 import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
32
33 /**
34 * Factory methods for {@link CloseableHttpClient} instances.
35 * @since 4.3
36 */
37 public class HttpClients {
38
39 private HttpClients() {
40 super();
41 }
42
43 /**
44 * Creates builder object for construction of custom
45 * {@link CloseableHttpClient} instances.
46 */
47 public static HttpClientBuilder custom() {
48 return HttpClientBuilder.create();
49 }
50
51 /**
52 * Creates {@link CloseableHttpClient} instance with default
53 * configuration.
54 */
55 public static CloseableHttpClient createDefault() {
56 return HttpClientBuilder.create().build();
57 }
58
59 /**
60 * Creates {@link CloseableHttpClient} instance with default
61 * configuration based on system properties.
62 */
63 public static CloseableHttpClient createSystem() {
64 return HttpClientBuilder.create().useSystemProperties().build();
65 }
66
67 /**
68 * Creates {@link CloseableHttpClient} instance that implements
69 * the most basic HTTP protocol support.
70 */
71 public static CloseableHttpClient createMinimal() {
72 return new MinimalHttpClient(new PoolingHttpClientConnectionManager());
73 }
74
75 /**
76 * Creates {@link CloseableHttpClient} instance that implements
77 * the most basic HTTP protocol support.
78 */
79 public static CloseableHttpClient createMinimal(final HttpClientConnectionManager connManager) {
80 return new MinimalHttpClient(connManager);
81 }
82
83 }