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.client;
29
30 import java.net.URI;
31
32 import org.apache.http.HttpResponse;
33 import org.apache.http.ProtocolException;
34 import org.apache.http.protocol.HttpContext;
35
36 /**
37 * A handler for determining if an HTTP request should be redirected to
38 * a new location in response to an HTTP response received from the target
39 * server.
40 * <p>
41 * Implementations of this interface must be thread-safe. Access to shared
42 * data must be synchronized as methods of this interface may be executed
43 * from multiple threads.
44 *
45 * @since 4.0
46 *
47 * @deprecated (4.1) use {@link RedirectStrategy}
48 */
49 @Deprecated
50 public interface RedirectHandler {
51
52 /**
53 * Determines if a request should be redirected to a new location
54 * given the response from the target server.
55 *
56 * @param response the response received from the target server
57 * @param context the context for the request execution
58 *
59 * @return {@code true} if the request should be redirected, {@code false}
60 * otherwise
61 */
62 boolean isRedirectRequested(HttpResponse response, HttpContext context);
63
64 /**
65 * Determines the location request is expected to be redirected to
66 * given the response from the target server and the current request
67 * execution context.
68 *
69 * @param response the response received from the target server
70 * @param context the context for the request execution
71 *
72 * @return redirect URI
73 */
74 URI getLocationURI(HttpResponse response, HttpContext context)
75 throws ProtocolException;
76
77 }