1/*
2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/conn/routing/HttpRoutePlanner.java $
3 * $Revision: 613654 $
4 * $Date: 2008-01-20 11:00:19 -0800 (Sun, 20 Jan 2008) $
5 *
6 * ====================================================================
7 * Licensed to the Apache Software Foundation (ASF) under one
8 * or more contributor license agreements.  See the NOTICE file
9 * distributed with this work for additional information
10 * regarding copyright ownership.  The ASF licenses this file
11 * to you under the Apache License, Version 2.0 (the
12 * "License"); you may not use this file except in compliance
13 * with the License.  You may obtain a copy of the License at
14 *
15 *   http://www.apache.org/licenses/LICENSE-2.0
16 *
17 * Unless required by applicable law or agreed to in writing,
18 * software distributed under the License is distributed on an
19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20 * KIND, either express or implied.  See the License for the
21 * specific language governing permissions and limitations
22 * under the License.
23 * ====================================================================
24 *
25 * This software consists of voluntary contributions made by many
26 * individuals on behalf of the Apache Software Foundation.  For more
27 * information on the Apache Software Foundation, please see
28 * <http://www.apache.org/>.
29 *
30 */
31
32package org.apache.http.conn.routing;
33
34import org.apache.http.HttpException;
35import org.apache.http.HttpHost;
36import org.apache.http.HttpRequest;
37import org.apache.http.protocol.HttpContext;
38
39
40
41/**
42 * Encapsulates logic to compute a {@link HttpRoute} to a target host.
43 * Implementations may for example be based on parameters, or on the
44 * standard Java system properties.
45 *
46 * @deprecated Please use {@link java.net.URL#openConnection} instead.
47 *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
48 *     for further details.
49 */
50@Deprecated
51public interface HttpRoutePlanner {
52
53    /**
54     * Determines the route for a request.
55     *
56     * @param target    the target host for the request.
57     *                  Implementations may accept <code>null</code>
58     *                  if they can still determine a route, for example
59     *                  to a default target or by inspecting the request.
60     * @param request   the request to execute
61     * @param context   the context to use for the subsequent execution.
62     *                  Implementations may accept <code>null</code>.
63     *
64     * @return  the route that the request should take
65     *
66     * @throws HttpException    in case of a problem
67     */
68    public HttpRoute determineRoute(HttpHost target,
69                                    HttpRequest request,
70                                    HttpContext context)
71        throws HttpException
72        ;
73
74}
75