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