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1   /*
2    * ====================================================================
3    *
4    *  Licensed to the Apache Software Foundation (ASF) under one or more
5    *  contributor license agreements.  See the NOTICE file distributed with
6    *  this work for additional information regarding copyright ownership.
7    *  The ASF licenses this file to You under the Apache License, Version 2.0
8    *  (the "License"); you may not use this file except in compliance with
9    *  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, software
14   *  distributed under the License is distributed on an "AS IS" BASIS,
15   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   *  See the License for the specific language governing permissions and
17   *  limitations under the License.
18   * ====================================================================
19   *
20   * This software consists of voluntary contributions made by many
21   * individuals on behalf of the Apache Software Foundation.  For more
22   * information on the Apache Software Foundation, please see
23   * <http://www.apache.org/>.
24   *
25   */
26  
27  package org.apache.http.client.params;
28  
29  /**
30   * Parameter names for HTTP client parameters.
31   *
32   * @since 4.0
33   */
34  public interface ClientPNames {
35  
36      /**
37       * @deprecated (4.2)  do not use
38       */
39      @Deprecated
40      public static final String CONNECTION_MANAGER_FACTORY_CLASS_NAME = "http.connection-manager.factory-class-name";
41  
42      /**
43       * Defines whether redirects should be handled automatically
44       * <p>
45       * This parameter expects a value of type {@link Boolean}.
46       * </p>
47       */
48      public static final String HANDLE_REDIRECTS = "http.protocol.handle-redirects";
49  
50      /**
51       * Defines whether relative redirects should be rejected. HTTP specification
52       * requires the location value be an absolute URI.
53       * <p>
54       * This parameter expects a value of type {@link Boolean}.
55       * </p>
56       */
57      public static final String REJECT_RELATIVE_REDIRECT = "http.protocol.reject-relative-redirect";
58  
59      /**
60       * Defines the maximum number of redirects to be followed.
61       * The limit on number of redirects is intended to prevent infinite loops.
62       * <p>
63       * This parameter expects a value of type {@link Integer}.
64       * </p>
65       */
66      public static final String MAX_REDIRECTS = "http.protocol.max-redirects";
67  
68      /**
69       * Defines whether circular redirects (redirects to the same location) should be allowed.
70       * The HTTP spec is not sufficiently clear whether circular redirects are permitted,
71       * therefore optionally they can be enabled
72       * <p>
73       * This parameter expects a value of type {@link Boolean}.
74       * </p>
75       */
76      public static final String ALLOW_CIRCULAR_REDIRECTS = "http.protocol.allow-circular-redirects";
77  
78      /**
79       * Defines whether authentication should be handled automatically.
80       * <p>
81       * This parameter expects a value of type {@link Boolean}.
82       * </p>
83       */
84      public static final String HANDLE_AUTHENTICATION = "http.protocol.handle-authentication";
85  
86      /**
87       * Defines the name of the cookie specification to be used for HTTP state management.
88       * <p>
89       * This parameter expects a value of type {@link String}.
90       * </p>
91       */
92      public static final String COOKIE_POLICY = "http.protocol.cookie-policy";
93  
94      /**
95       * Defines the virtual host to be used in the <code>Host</code>
96       * request header instead of the physical host.
97       * <p>
98       * This parameter expects a value of type {@link org.apache.http.HttpHost}.
99       * </p>
100      * If a port is not provided, it will be derived from the request URL.
101      */
102     public static final String VIRTUAL_HOST = "http.virtual-host";
103 
104     /**
105      * Defines the request headers to be sent per default with each request.
106      * <p>
107      * This parameter expects a value of type {@link java.util.Collection}. The
108      * collection is expected to contain {@link org.apache.http.Header}s.
109      * </p>
110      */
111     public static final String DEFAULT_HEADERS = "http.default-headers";
112 
113     /**
114      * Defines the default host. The default value will be used if the target host is
115      * not explicitly specified in the request URI.
116      * <p>
117      * This parameter expects a value of type {@link org.apache.http.HttpHost}.
118      * </p>
119      */
120     public static final String DEFAULT_HOST = "http.default-host";
121 
122     /**
123      * Defines the timeout in milliseconds used when retrieving an instance of
124      * {@link org.apache.http.conn.ManagedClientConnection} from the
125      * {@link org.apache.http.conn.ClientConnectionManager}.
126      * <p>
127      * This parameter expects a value of type {@link Long}.
128      * <p>
129      * @since 4.2
130      */
131     public static final String CONN_MANAGER_TIMEOUT = "http.conn-manager.timeout";
132 
133 }
134