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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;
29  
30  /**
31   * Constants enumerating the HTTP headers. All headers defined in RFC1945 (HTTP/1.0), RFC2616 (HTTP/1.1), and RFC2518
32   * (WebDAV) are listed.
33   *
34   * @since 4.1
35   */
36  public final class HttpHeaders {
37  
38      private HttpHeaders() {
39      }
40  
41      /** RFC 2616 (HTTP/1.1) Section 14.1 */
42      public static final String ACCEPT = "Accept";
43  
44      /** RFC 2616 (HTTP/1.1) Section 14.2 */
45      public static final String ACCEPT_CHARSET = "Accept-Charset";
46  
47      /** RFC 2616 (HTTP/1.1) Section 14.3 */
48      public static final String ACCEPT_ENCODING = "Accept-Encoding";
49  
50      /** RFC 2616 (HTTP/1.1) Section 14.4 */
51      public static final String ACCEPT_LANGUAGE = "Accept-Language";
52  
53      /** RFC 2616 (HTTP/1.1) Section 14.5 */
54      public static final String ACCEPT_RANGES = "Accept-Ranges";
55  
56      /** RFC 2616 (HTTP/1.1) Section 14.6 */
57      public static final String AGE = "Age";
58  
59      /** RFC 1945 (HTTP/1.0) Section 10.1, RFC 2616 (HTTP/1.1) Section 14.7 */
60      public static final String ALLOW = "Allow";
61  
62      /** RFC 1945 (HTTP/1.0) Section 10.2, RFC 2616 (HTTP/1.1) Section 14.8 */
63      public static final String AUTHORIZATION = "Authorization";
64  
65      /** RFC 2616 (HTTP/1.1) Section 14.9 */
66      public static final String CACHE_CONTROL = "Cache-Control";
67  
68      /** RFC 2616 (HTTP/1.1) Section 14.10 */
69      public static final String CONNECTION = "Connection";
70  
71      /** RFC 1945 (HTTP/1.0) Section 10.3, RFC 2616 (HTTP/1.1) Section 14.11 */
72      public static final String CONTENT_ENCODING = "Content-Encoding";
73  
74      /** RFC 2616 (HTTP/1.1) Section 14.12 */
75      public static final String CONTENT_LANGUAGE = "Content-Language";
76  
77      /** RFC 1945 (HTTP/1.0) Section 10.4, RFC 2616 (HTTP/1.1) Section 14.13 */
78      public static final String CONTENT_LENGTH = "Content-Length";
79  
80      /** RFC 2616 (HTTP/1.1) Section 14.14 */
81      public static final String CONTENT_LOCATION = "Content-Location";
82  
83      /** RFC 2616 (HTTP/1.1) Section 14.15 */
84      public static final String CONTENT_MD5 = "Content-MD5";
85  
86      /** RFC 2616 (HTTP/1.1) Section 14.16 */
87      public static final String CONTENT_RANGE = "Content-Range";
88  
89      /** RFC 1945 (HTTP/1.0) Section 10.5, RFC 2616 (HTTP/1.1) Section 14.17 */
90      public static final String CONTENT_TYPE = "Content-Type";
91  
92      /** RFC 1945 (HTTP/1.0) Section 10.6, RFC 2616 (HTTP/1.1) Section 14.18 */
93      public static final String DATE = "Date";
94  
95      /** RFC 2518 (WevDAV) Section 9.1 */
96      public static final String DAV = "Dav";
97  
98      /** RFC 2518 (WevDAV) Section 9.2 */
99      public static final String DEPTH = "Depth";
100 
101     /** RFC 2518 (WevDAV) Section 9.3 */
102     public static final String DESTINATION = "Destination";
103 
104     /** RFC 2616 (HTTP/1.1) Section 14.19 */
105     public static final String ETAG = "ETag";
106 
107     /** RFC 2616 (HTTP/1.1) Section 14.20 */
108     public static final String EXPECT = "Expect";
109 
110     /** RFC 1945 (HTTP/1.0) Section 10.7, RFC 2616 (HTTP/1.1) Section 14.21 */
111     public static final String EXPIRES = "Expires";
112 
113     /** RFC 1945 (HTTP/1.0) Section 10.8, RFC 2616 (HTTP/1.1) Section 14.22 */
114     public static final String FROM = "From";
115 
116     /** RFC 2616 (HTTP/1.1) Section 14.23 */
117     public static final String HOST = "Host";
118 
119     /** RFC 2518 (WevDAV) Section 9.4 */
120     public static final String IF = "If";
121 
122     /** RFC 2616 (HTTP/1.1) Section 14.24 */
123     public static final String IF_MATCH = "If-Match";
124 
125     /** RFC 1945 (HTTP/1.0) Section 10.9, RFC 2616 (HTTP/1.1) Section 14.25 */
126     public static final String IF_MODIFIED_SINCE = "If-Modified-Since";
127 
128     /** RFC 2616 (HTTP/1.1) Section 14.26 */
129     public static final String IF_NONE_MATCH = "If-None-Match";
130 
131     /** RFC 2616 (HTTP/1.1) Section 14.27 */
132     public static final String IF_RANGE = "If-Range";
133 
134     /** RFC 2616 (HTTP/1.1) Section 14.28 */
135     public static final String IF_UNMODIFIED_SINCE = "If-Unmodified-Since";
136 
137     /** RFC 1945 (HTTP/1.0) Section 10.10, RFC 2616 (HTTP/1.1) Section 14.29 */
138     public static final String LAST_MODIFIED = "Last-Modified";
139 
140     /** RFC 1945 (HTTP/1.0) Section 10.11, RFC 2616 (HTTP/1.1) Section 14.30 */
141     public static final String LOCATION = "Location";
142 
143     /** RFC 2518 (WevDAV) Section 9.5 */
144     public static final String LOCK_TOKEN = "Lock-Token";
145 
146     /** RFC 2616 (HTTP/1.1) Section 14.31 */
147     public static final String MAX_FORWARDS = "Max-Forwards";
148 
149     /** RFC 2518 (WevDAV) Section 9.6 */
150     public static final String OVERWRITE = "Overwrite";
151 
152     /** RFC 1945 (HTTP/1.0) Section 10.12, RFC 2616 (HTTP/1.1) Section 14.32 */
153     public static final String PRAGMA = "Pragma";
154 
155     /** RFC 2616 (HTTP/1.1) Section 14.33 */
156     public static final String PROXY_AUTHENTICATE = "Proxy-Authenticate";
157 
158     /** RFC 2616 (HTTP/1.1) Section 14.34 */
159     public static final String PROXY_AUTHORIZATION = "Proxy-Authorization";
160 
161     /** RFC 2616 (HTTP/1.1) Section 14.35 */
162     public static final String RANGE = "Range";
163 
164     /** RFC 1945 (HTTP/1.0) Section 10.13, RFC 2616 (HTTP/1.1) Section 14.36 */
165     public static final String REFERER = "Referer";
166 
167     /** RFC 2616 (HTTP/1.1) Section 14.37 */
168     public static final String RETRY_AFTER = "Retry-After";
169 
170     /** RFC 1945 (HTTP/1.0) Section 10.14, RFC 2616 (HTTP/1.1) Section 14.38 */
171     public static final String SERVER = "Server";
172 
173     /** RFC 2518 (WevDAV) Section 9.7 */
174     public static final String STATUS_URI = "Status-URI";
175 
176     /** RFC 2616 (HTTP/1.1) Section 14.39 */
177     public static final String TE = "TE";
178 
179     /** RFC 2518 (WevDAV) Section 9.8 */
180     public static final String TIMEOUT = "Timeout";
181 
182     /** RFC 2616 (HTTP/1.1) Section 14.40 */
183     public static final String TRAILER = "Trailer";
184 
185     /** RFC 2616 (HTTP/1.1) Section 14.41 */
186     public static final String TRANSFER_ENCODING = "Transfer-Encoding";
187 
188     /** RFC 2616 (HTTP/1.1) Section 14.42 */
189     public static final String UPGRADE = "Upgrade";
190 
191     /** RFC 1945 (HTTP/1.0) Section 10.15, RFC 2616 (HTTP/1.1) Section 14.43 */
192     public static final String USER_AGENT = "User-Agent";
193 
194     /** RFC 2616 (HTTP/1.1) Section 14.44 */
195     public static final String VARY = "Vary";
196 
197     /** RFC 2616 (HTTP/1.1) Section 14.45 */
198     public static final String VIA = "Via";
199 
200     /** RFC 2616 (HTTP/1.1) Section 14.46 */
201     public static final String WARNING = "Warning";
202 
203     /** RFC 1945 (HTTP/1.0) Section 10.16, RFC 2616 (HTTP/1.1) Section 14.47 */
204     public static final String WWW_AUTHENTICATE = "WWW-Authenticate";
205 
206 }