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 java.net.ProxySelector;
31
32 import org.apache.http.ConnectionReuseStrategy;
33 import org.apache.http.annotation.ThreadSafe;
34 import org.apache.http.conn.ClientConnectionManager;
35 import org.apache.http.conn.routing.HttpRoutePlanner;
36 import org.apache.http.impl.DefaultConnectionReuseStrategy;
37 import org.apache.http.impl.NoConnectionReuseStrategy;
38 import org.apache.http.impl.conn.PoolingClientConnectionManager;
39 import org.apache.http.impl.conn.ProxySelectorRoutePlanner;
40 import org.apache.http.impl.conn.SchemeRegistryFactory;
41 import org.apache.http.params.HttpParams;
42
43 /**
44 * An extension of {@link DefaultHttpClient} pre-configured using system properties.
45 * <p>
46 * The following system properties are taken into account by this class:
47 * <ul>
48 * <li>ssl.TrustManagerFactory.algorithm</li>
49 * <li>javax.net.ssl.trustStoreType</li>
50 * <li>javax.net.ssl.trustStore</li>
51 * <li>javax.net.ssl.trustStoreProvider</li>
52 * <li>javax.net.ssl.trustStorePassword</li>
53 * <li>java.home</li>
54 * <li>ssl.KeyManagerFactory.algorithm</li>
55 * <li>javax.net.ssl.keyStoreType</li>
56 * <li>javax.net.ssl.keyStore</li>
57 * <li>javax.net.ssl.keyStoreProvider</li>
58 * <li>javax.net.ssl.keyStorePassword</li>
59 * <li>http.proxyHost</li>
60 * <li>http.proxyPort</li>
61 * <li>http.nonProxyHosts</li>
62 * <li>http.keepAlive</li>
63 * <li>http.maxConnections</li>
64 * </ul>
65 * <p>
66 * <p>
67 * The following parameters can be used to customize the behavior of this
68 * class:
69 * <ul>
70 * <li>{@link org.apache.http.params.CoreProtocolPNames#PROTOCOL_VERSION}</li>
71 * <li>{@link org.apache.http.params.CoreProtocolPNames#STRICT_TRANSFER_ENCODING}</li>
72 * <li>{@link org.apache.http.params.CoreProtocolPNames#HTTP_ELEMENT_CHARSET}</li>
73 * <li>{@link org.apache.http.params.CoreProtocolPNames#USE_EXPECT_CONTINUE}</li>
74 * <li>{@link org.apache.http.params.CoreProtocolPNames#WAIT_FOR_CONTINUE}</li>
75 * <li>{@link org.apache.http.params.CoreProtocolPNames#USER_AGENT}</li>
76 * <li>{@link org.apache.http.params.CoreConnectionPNames#TCP_NODELAY}</li>
77 * <li>{@link org.apache.http.params.CoreConnectionPNames#SO_TIMEOUT}</li>
78 * <li>{@link org.apache.http.params.CoreConnectionPNames#SO_LINGER}</li>
79 * <li>{@link org.apache.http.params.CoreConnectionPNames#SO_REUSEADDR}</li>
80 * <li>{@link org.apache.http.params.CoreConnectionPNames#SOCKET_BUFFER_SIZE}</li>
81 * <li>{@link org.apache.http.params.CoreConnectionPNames#CONNECTION_TIMEOUT}</li>
82 * <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_LINE_LENGTH}</li>
83 * <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_HEADER_COUNT}</li>
84 * <li>{@link org.apache.http.params.CoreConnectionPNames#STALE_CONNECTION_CHECK}</li>
85 * <li>{@link org.apache.http.conn.params.ConnRoutePNames#FORCED_ROUTE}</li>
86 * <li>{@link org.apache.http.conn.params.ConnRoutePNames#LOCAL_ADDRESS}</li>
87 * <li>{@link org.apache.http.conn.params.ConnRoutePNames#DEFAULT_PROXY}</li>
88 * <li>{@link org.apache.http.cookie.params.CookieSpecPNames#DATE_PATTERNS}</li>
89 * <li>{@link org.apache.http.cookie.params.CookieSpecPNames#SINGLE_COOKIE_HEADER}</li>
90 * <li>{@link org.apache.http.auth.params.AuthPNames#CREDENTIAL_CHARSET}</li>
91 * <li>{@link org.apache.http.client.params.ClientPNames#COOKIE_POLICY}</li>
92 * <li>{@link org.apache.http.client.params.ClientPNames#HANDLE_AUTHENTICATION}</li>
93 * <li>{@link org.apache.http.client.params.ClientPNames#HANDLE_REDIRECTS}</li>
94 * <li>{@link org.apache.http.client.params.ClientPNames#MAX_REDIRECTS}</li>
95 * <li>{@link org.apache.http.client.params.ClientPNames#ALLOW_CIRCULAR_REDIRECTS}</li>
96 * <li>{@link org.apache.http.client.params.ClientPNames#VIRTUAL_HOST}</li>
97 * <li>{@link org.apache.http.client.params.ClientPNames#DEFAULT_HOST}</li>
98 * <li>{@link org.apache.http.client.params.ClientPNames#DEFAULT_HEADERS}</li>
99 * <li>{@link org.apache.http.client.params.ClientPNames#CONN_MANAGER_TIMEOUT}</li>
100 * </ul>
101 * </p>
102 *
103 * @since 4.2
104 *
105 * @deprecated (4.3) use {@link HttpClientBuilder}
106 */
107 @ThreadSafe
108 @Deprecated
109 public class SystemDefaultHttpClient extends DefaultHttpClient {
110
111 public SystemDefaultHttpClient(final HttpParams params) {
112 super(null, params);
113 }
114
115 public SystemDefaultHttpClient() {
116 super(null, null);
117 }
118
119 @Override
120 protected ClientConnectionManager createClientConnectionManager() {
121 final PoolingClientConnectionManager connmgr = new PoolingClientConnectionManager(
122 SchemeRegistryFactory.createSystemDefault());
123 String s = System.getProperty("http.keepAlive", "true");
124 if ("true".equalsIgnoreCase(s)) {
125 s = System.getProperty("http.maxConnections", "5");
126 final int max = Integer.parseInt(s);
127 connmgr.setDefaultMaxPerRoute(max);
128 connmgr.setMaxTotal(2 * max);
129 }
130 return connmgr;
131 }
132
133 @Override
134 protected HttpRoutePlanner createHttpRoutePlanner() {
135 return new ProxySelectorRoutePlanner(getConnectionManager().getSchemeRegistry(),
136 ProxySelector.getDefault());
137 }
138
139 @Override
140 protected ConnectionReuseStrategy createConnectionReuseStrategy() {
141 final String s = System.getProperty("http.keepAlive", "true");
142 if ("true".equalsIgnoreCase(s)) {
143 return new DefaultConnectionReuseStrategy();
144 } else {
145 return new NoConnectionReuseStrategy();
146 }
147 }
148
149 }