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.conn;
29
30 import org.apache.http.HttpException;
31 import org.apache.http.HttpHost;
32 import org.apache.http.HttpRequest;
33 import org.apache.http.annotation.Contract;
34 import org.apache.http.annotation.ThreadingBehavior;
35 import org.apache.http.conn.SchemePortResolver;
36 import org.apache.http.protocol.HttpContext;
37 import org.apache.http.util.Args;
38
39 /**
40 * Implementation of an {@link org.apache.http.conn.routing.HttpRoutePlanner}
41 * that routes requests through a default proxy.
42 *
43 * @since 4.3
44 */
45 @Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL)
46 public class DefaultProxyRoutePlanner extends DefaultRoutePlanner {
47
48 private final HttpHost proxy;
49
50 public DefaultProxyRoutePlanner(final HttpHost proxy, final SchemePortResolver schemePortResolver) {
51 super(schemePortResolver);
52 this.proxy = Args.notNull(proxy, "Proxy host");
53 }
54
55 public DefaultProxyRoutePlanner(final HttpHost proxy) {
56 this(proxy, null);
57 }
58
59 @Override
60 protected HttpHost determineProxy(
61 final HttpHost target,
62 final HttpRequest request,
63 final HttpContext context) throws HttpException {
64 return proxy;
65 }
66
67 }