001/*
002 * Copyright (C) 2011 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.net;
018
019import com.google.common.annotations.GwtCompatible;
020
021/**
022 * Contains constant definitions for the HTTP header field names. See:
023 * <ul>
024 * <li><a href="http://www.ietf.org/rfc/rfc2109.txt">RFC 2109</a>
025 * <li><a href="http://www.ietf.org/rfc/rfc2183.txt">RFC 2183</a>
026 * <li><a href="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616</a>
027 * <li><a href="http://www.ietf.org/rfc/rfc2965.txt">RFC 2965</a>
028 * <li><a href="http://www.ietf.org/rfc/rfc5988.txt">RFC 5988</a>
029 * </ul>
030 *
031 * @author Kurt Alfred Kluever
032 * @since 11.0
033 */
034@GwtCompatible
035public final class HttpHeaders {
036  private HttpHeaders() {}
037
038  // HTTP Request and Response header fields
039
040  /** The HTTP Cache-Control header field name. */
041  public static final String CACHE_CONTROL = "Cache-Control";
042  /** The HTTP Content-Length header field name. */
043  public static final String CONTENT_LENGTH = "Content-Length";
044  /** The HTTP Content-Type header field name. */
045  public static final String CONTENT_TYPE = "Content-Type";
046  /** The HTTP Date header field name. */
047  public static final String DATE = "Date";
048  /** The HTTP Pragma header field name. */
049  public static final String PRAGMA = "Pragma";
050  /** The HTTP Via header field name. */
051  public static final String VIA = "Via";
052  /** The HTTP Warning header field name. */
053  public static final String WARNING = "Warning";
054
055  // HTTP Request header fields
056
057  /** The HTTP Accept header field name. */
058  public static final String ACCEPT = "Accept";
059  /** The HTTP Accept-Charset header field name. */
060  public static final String ACCEPT_CHARSET = "Accept-Charset";
061  /** The HTTP Accept-Encoding header field name. */
062  public static final String ACCEPT_ENCODING = "Accept-Encoding";
063  /** The HTTP Accept-Language header field name. */
064  public static final String ACCEPT_LANGUAGE = "Accept-Language";
065  /** The HTTP Access-Control-Request-Headers header field name. */
066  public static final String ACCESS_CONTROL_REQUEST_HEADERS = "Access-Control-Request-Headers";
067  /** The HTTP Access-Control-Request-Method header field name. */
068  public static final String ACCESS_CONTROL_REQUEST_METHOD = "Access-Control-Request-Method";
069  /** The HTTP Authorization header field name. */
070  public static final String AUTHORIZATION = "Authorization";
071  /** The HTTP Connection header field name. */
072  public static final String CONNECTION = "Connection";
073  /** The HTTP Cookie header field name. */
074  public static final String COOKIE = "Cookie";
075  /** The HTTP Expect header field name. */
076  public static final String EXPECT = "Expect";
077  /** The HTTP From header field name. */
078  public static final String FROM = "From";
079  /** The HTTP Host header field name. */
080  public static final String HOST = "Host";
081  /** The HTTP If-Match header field name. */
082  public static final String IF_MATCH = "If-Match";
083  /** The HTTP If-Modified-Since header field name. */
084  public static final String IF_MODIFIED_SINCE = "If-Modified-Since";
085  /** The HTTP If-None-Match header field name. */
086  public static final String IF_NONE_MATCH = "If-None-Match";
087  /** The HTTP If-Range header field name. */
088  public static final String IF_RANGE = "If-Range";
089  /** The HTTP If-Unmodified-Since header field name. */
090  public static final String IF_UNMODIFIED_SINCE = "If-Unmodified-Since";
091  /** The HTTP Last-Event-ID header field name. */
092  public static final String LAST_EVENT_ID = "Last-Event-ID";
093  /** The HTTP Max-Forwards header field name. */
094  public static final String MAX_FORWARDS = "Max-Forwards";
095  /** The HTTP Origin header field name. */
096  public static final String ORIGIN = "Origin";
097  /** The HTTP Proxy-Authorization header field name. */
098  public static final String PROXY_AUTHORIZATION = "Proxy-Authorization";
099  /** The HTTP Range header field name. */
100  public static final String RANGE = "Range";
101  /** The HTTP Referer header field name. */
102  public static final String REFERER = "Referer";
103  /** The HTTP TE header field name. */
104  public static final String TE = "TE";
105  /** The HTTP Upgrade header field name. */
106  public static final String UPGRADE = "Upgrade";
107  /** The HTTP User-Agent header field name. */
108  public static final String USER_AGENT = "User-Agent";
109
110  // HTTP Response header fields
111
112  /** The HTTP Accept-Ranges header field name. */
113  public static final String ACCEPT_RANGES = "Accept-Ranges";
114  /** The HTTP Access-Control-Allow-Headers header field name. */
115  public static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers";
116  /** The HTTP Access-Control-Allow-Methods header field name. */
117  public static final String ACCESS_CONTROL_ALLOW_METHODS = "Access-Control-Allow-Methods";
118  /** The HTTP Access-Control-Allow-Origin header field name. */
119  public static final String ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin";
120  /** The HTTP Access-Control-Allow-Credentials header field name. */
121  public static final String ACCESS_CONTROL_ALLOW_CREDENTIALS = "Access-Control-Allow-Credentials";
122  /** The HTTP Access-Control-Expose-Headers header field name. */
123  public static final String ACCESS_CONTROL_EXPOSE_HEADERS = "Access-Control-Expose-Headers";
124  /** The HTTP Access-Control-Max-Age header field name. */
125  public static final String ACCESS_CONTROL_MAX_AGE = "Access-Control-Max-Age";
126  /** The HTTP Age header field name. */
127  public static final String AGE = "Age";
128  /** The HTTP Allow header field name. */
129  public static final String ALLOW = "Allow";
130  /** The HTTP Content-Disposition header field name. */
131  public static final String CONTENT_DISPOSITION = "Content-Disposition";
132  /** The HTTP Content-Encoding header field name. */
133  public static final String CONTENT_ENCODING = "Content-Encoding";
134  /** The HTTP Content-Language header field name. */
135  public static final String CONTENT_LANGUAGE = "Content-Language";
136  /** The HTTP Content-Location header field name. */
137  public static final String CONTENT_LOCATION = "Content-Location";
138  /** The HTTP Content-MD5 header field name. */
139  public static final String CONTENT_MD5 = "Content-MD5";
140  /** The HTTP Content-Range header field name. */
141  public static final String CONTENT_RANGE = "Content-Range";
142  /** The HTTP ETag header field name. */
143  public static final String ETAG = "ETag";
144  /** The HTTP Expires header field name. */
145  public static final String EXPIRES = "Expires";
146  /** The HTTP Last-Modified header field name. */
147  public static final String LAST_MODIFIED = "Last-Modified";
148  /** The HTTP Link header field name. */
149  public static final String LINK = "Link";
150  /** The HTTP Location header field name. */
151  public static final String LOCATION = "Location";
152  /** The HTTP P3P header field name. Limited browser support. */
153  public static final String P3P = "P3P";
154  /** The HTTP Proxy-Authenticate header field name. */
155  public static final String PROXY_AUTHENTICATE = "Proxy-Authenticate";
156  /** The HTTP Refresh header field name. Non-standard header supported by most browsers. */
157  public static final String REFRESH = "Refresh";
158  /** The HTTP Retry-After header field name. */
159  public static final String RETRY_AFTER = "Retry-After";
160  /** The HTTP Server header field name. */
161  public static final String SERVER = "Server";
162  /** The HTTP Set-Cookie header field name. */
163  public static final String SET_COOKIE = "Set-Cookie";
164  /** The HTTP Set-Cookie2 header field name. */
165  public static final String SET_COOKIE2 = "Set-Cookie2";
166  /** The HTTP Trailer header field name. */
167  public static final String TRAILER = "Trailer";
168  /** The HTTP Transfer-Encoding header field name. */
169  public static final String TRANSFER_ENCODING = "Transfer-Encoding";
170  /** The HTTP Vary header field name. */
171  public static final String VARY = "Vary";
172  /** The HTTP WWW-Authenticate header field name. */
173  public static final String WWW_AUTHENTICATE = "WWW-Authenticate";
174
175  // Common, non-standard HTTP header fields
176
177  /** The HTTP DNT header field name. */
178  public static final String DNT = "DNT";
179  /** The HTTP X-Content-Type-Options header field name. */
180  public static final String X_CONTENT_TYPE_OPTIONS = "X-Content-Type-Options";
181  /** The HTTP X-Do-Not-Track header field name. */
182  public static final String X_DO_NOT_TRACK = "X-Do-Not-Track";
183  /** The HTTP X-Forwarded-For header field name. */
184  public static final String X_FORWARDED_FOR = "X-Forwarded-For";
185  /** The HTTP X-Forwarded-Proto header field name. */
186  public static final String X_FORWARDED_PROTO = "X-Forwarded-Proto";
187  /** The HTTP X-Frame-Options header field name. */
188  public static final String X_FRAME_OPTIONS = "X-Frame-Options";
189  /** The HTTP X-Powered-By header field name. */
190  public static final String X_POWERED_BY = "X-Powered-By";
191  /** The HTTP X-Requested-With header field name. */
192  public static final String X_REQUESTED_WITH = "X-Requested-With";
193  /** The HTTP X-User-IP header field name. */
194  public static final String X_USER_IP = "X-User-IP";
195  /** The HTTP X-XSS-Protection header field name. */
196  public static final String X_XSS_PROTECTION = "X-XSS-Protection";
197
198}