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 org.apache.http.annotation.Immutable;
31 import org.apache.http.client.RedirectStrategy;
32 import org.apache.http.client.methods.HttpGet;
33 import org.apache.http.client.methods.HttpHead;
34 import org.apache.http.client.methods.HttpPost;
35
36 /**
37 * Lax {@link RedirectStrategy} implementation that automatically redirects all HEAD, GET and POST
38 * requests. This strategy relaxes restrictions on automatic redirection of POST methods imposed
39 * by the HTTP specification.
40 *
41 * @since 4.2
42 */
43 @Immutable
44 public class LaxRedirectStrategy extends DefaultRedirectStrategy {
45
46 /**
47 * Redirectable methods.
48 */
49 private static final String[] REDIRECT_METHODS = new String[] {
50 HttpGet.METHOD_NAME,
51 HttpPost.METHOD_NAME,
52 HttpHead.METHOD_NAME
53 };
54
55 @Override
56 protected boolean isRedirectable(final String method) {
57 for (final String m: REDIRECT_METHODS) {
58 if (m.equalsIgnoreCase(method)) {
59 return true;
60 }
61 }
62 return false;
63 }
64
65 }