http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
/*
 * Copyright 2014 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package io.netty.handler.codec.http;

import io.netty.util.AsciiString;


Standard HTTP header names.


These are all defined as lowercase to support HTTP/2 requirements while also not
violating HTTP/1.x requirements.  New header names should always be lowercase.

/**
 * Standard HTTP header names.
 * <p>
 * These are all defined as lowercase to support HTTP/2 requirements while also not
 * violating HTTP/1.x requirements.  New header names should always be lowercase.
 */
public final class HttpHeaderNames {
    
"accept" 
/**
     * {@code "accept"}
     */
    public static final AsciiString ACCEPT = AsciiString.cached("accept");
    
"accept-charset" 
/**
     * {@code "accept-charset"}
     */
    public static final AsciiString ACCEPT_CHARSET = AsciiString.cached("accept-charset");
    
"accept-encoding" 
/**
     * {@code "accept-encoding"}
     */
    public static final AsciiString ACCEPT_ENCODING = AsciiString.cached("accept-encoding");
    
"accept-language" 
/**
     * {@code "accept-language"}
     */
    public static final AsciiString ACCEPT_LANGUAGE = AsciiString.cached("accept-language");
    
"accept-ranges" 
/**
     * {@code "accept-ranges"}
     */
    public static final AsciiString ACCEPT_RANGES = AsciiString.cached("accept-ranges");
    
"accept-patch" 
/**
     * {@code "accept-patch"}
     */
    public static final AsciiString ACCEPT_PATCH = AsciiString.cached("accept-patch");
    
"access-control-allow-credentials" 
/**
     * {@code "access-control-allow-credentials"}
     */
    public static final AsciiString ACCESS_CONTROL_ALLOW_CREDENTIALS =
            AsciiString.cached("access-control-allow-credentials");
    
"access-control-allow-headers" 
/**
     * {@code "access-control-allow-headers"}
     */
    public static final AsciiString ACCESS_CONTROL_ALLOW_HEADERS =
            AsciiString.cached("access-control-allow-headers");
    
"access-control-allow-methods" 
/**
     * {@code "access-control-allow-methods"}
     */
    public static final AsciiString ACCESS_CONTROL_ALLOW_METHODS =
            AsciiString.cached("access-control-allow-methods");
    
"access-control-allow-origin" 
/**
     * {@code "access-control-allow-origin"}
     */
    public static final AsciiString ACCESS_CONTROL_ALLOW_ORIGIN =
            AsciiString.cached("access-control-allow-origin");
    
"access-control-expose-headers" 
/**
     * {@code "access-control-expose-headers"}
     */
    public static final AsciiString ACCESS_CONTROL_EXPOSE_HEADERS =
            AsciiString.cached("access-control-expose-headers");
    
"access-control-max-age" 
/**
     * {@code "access-control-max-age"}
     */
    public static final AsciiString ACCESS_CONTROL_MAX_AGE = AsciiString.cached("access-control-max-age");
    
"access-control-request-headers" 
/**
     * {@code "access-control-request-headers"}
     */
    public static final AsciiString ACCESS_CONTROL_REQUEST_HEADERS =
            AsciiString.cached("access-control-request-headers");
    
"access-control-request-method" 
/**
     * {@code "access-control-request-method"}
     */
    public static final AsciiString ACCESS_CONTROL_REQUEST_METHOD =
            AsciiString.cached("access-control-request-method");
    
"age" 
/**
     * {@code "age"}
     */
    public static final AsciiString AGE = AsciiString.cached("age");
    
"allow" 
/**
     * {@code "allow"}
     */
    public static final AsciiString ALLOW = AsciiString.cached("allow");
    
"authorization" 
/**
     * {@code "authorization"}
     */
    public static final AsciiString AUTHORIZATION = AsciiString.cached("authorization");
    
"cache-control" 
/**
     * {@code "cache-control"}
     */
    public static final AsciiString CACHE_CONTROL = AsciiString.cached("cache-control");
    
"connection" 
/**
     * {@code "connection"}
     */
    public static final AsciiString CONNECTION = AsciiString.cached("connection");
    
"content-base" 
/**
     * {@code "content-base"}
     */
    public static final AsciiString CONTENT_BASE = AsciiString.cached("content-base");
    
"content-encoding" 
/**
     * {@code "content-encoding"}
     */
    public static final AsciiString CONTENT_ENCODING = AsciiString.cached("content-encoding");
    
"content-language" 
/**
     * {@code "content-language"}
     */
    public static final AsciiString CONTENT_LANGUAGE = AsciiString.cached("content-language");
    
"content-length" 
/**
     * {@code "content-length"}
     */
    public static final AsciiString CONTENT_LENGTH = AsciiString.cached("content-length");
    
"content-location" 
/**
     * {@code "content-location"}
     */
    public static final AsciiString CONTENT_LOCATION = AsciiString.cached("content-location");
    
"content-transfer-encoding" 
/**
     * {@code "content-transfer-encoding"}
     */
    public static final AsciiString CONTENT_TRANSFER_ENCODING = AsciiString.cached("content-transfer-encoding");
    
"content-disposition" 
/**
     * {@code "content-disposition"}
     */
    public static final AsciiString CONTENT_DISPOSITION = AsciiString.cached("content-disposition");
    
"content-md5" 
/**
     * {@code "content-md5"}
     */
    public static final AsciiString CONTENT_MD5 = AsciiString.cached("content-md5");
    
"content-range" 
/**
     * {@code "content-range"}
     */
    public static final AsciiString CONTENT_RANGE = AsciiString.cached("content-range");
    
"content-security-policy" 
/**
     * {@code "content-security-policy"}
     */
    public static final AsciiString CONTENT_SECURITY_POLICY = AsciiString.cached("content-security-policy");
    
"content-type" 
/**
     * {@code "content-type"}
     */
    public static final AsciiString CONTENT_TYPE = AsciiString.cached("content-type");
    
"cookie" 
/**
     * {@code "cookie"}
     */
    public static final AsciiString COOKIE = AsciiString.cached("cookie");
    
"date" 
/**
     * {@code "date"}
     */
    public static final AsciiString DATE = AsciiString.cached("date");
    
"etag" 
/**
     * {@code "etag"}
     */
    public static final AsciiString ETAG = AsciiString.cached("etag");
    
"expect" 
/**
     * {@code "expect"}
     */
    public static final AsciiString EXPECT = AsciiString.cached("expect");
    
"expires" 
/**
     * {@code "expires"}
     */
    public static final AsciiString EXPIRES = AsciiString.cached("expires");
    
"from" 
/**
     * {@code "from"}
     */
    public static final AsciiString FROM = AsciiString.cached("from");
    
"host" 
/**
     * {@code "host"}
     */
    public static final AsciiString HOST = AsciiString.cached("host");
    
"if-match" 
/**
     * {@code "if-match"}
     */
    public static final AsciiString IF_MATCH = AsciiString.cached("if-match");
    
"if-modified-since" 
/**
     * {@code "if-modified-since"}
     */
    public static final AsciiString IF_MODIFIED_SINCE = AsciiString.cached("if-modified-since");
    
"if-none-match" 
/**
     * {@code "if-none-match"}
     */
    public static final AsciiString IF_NONE_MATCH = AsciiString.cached("if-none-match");
    
"if-range" 
/**
     * {@code "if-range"}
     */
    public static final AsciiString IF_RANGE = AsciiString.cached("if-range");
    
"if-unmodified-since" 
/**
     * {@code "if-unmodified-since"}
     */
    public static final AsciiString IF_UNMODIFIED_SINCE = AsciiString.cached("if-unmodified-since");
    
Deprecated:use CONNECTION "keep-alive"
/**
     * @deprecated use {@link #CONNECTION}
     *
     * {@code "keep-alive"}
     */
    @Deprecated
    public static final AsciiString KEEP_ALIVE = AsciiString.cached("keep-alive");
    
"last-modified" 
/**
     * {@code "last-modified"}
     */
    public static final AsciiString LAST_MODIFIED = AsciiString.cached("last-modified");
    
"location" 
/**
     * {@code "location"}
     */
    public static final AsciiString LOCATION = AsciiString.cached("location");
    
"max-forwards" 
/**
     * {@code "max-forwards"}
     */
    public static final AsciiString MAX_FORWARDS = AsciiString.cached("max-forwards");
    
"origin" 
/**
     * {@code "origin"}
     */
    public static final AsciiString ORIGIN = AsciiString.cached("origin");
    
"pragma" 
/**
     * {@code "pragma"}
     */
    public static final AsciiString PRAGMA = AsciiString.cached("pragma");
    
"proxy-authenticate" 
/**
     * {@code "proxy-authenticate"}
     */
    public static final AsciiString PROXY_AUTHENTICATE = AsciiString.cached("proxy-authenticate");
    
"proxy-authorization" 
/**
     * {@code "proxy-authorization"}
     */
    public static final AsciiString PROXY_AUTHORIZATION = AsciiString.cached("proxy-authorization");
    
Deprecated:use CONNECTION "proxy-connection"
/**
     * @deprecated use {@link #CONNECTION}
     *
     * {@code "proxy-connection"}
     */
    @Deprecated
    public static final AsciiString PROXY_CONNECTION = AsciiString.cached("proxy-connection");
    
"range" 
/**
     * {@code "range"}
     */
    public static final AsciiString RANGE = AsciiString.cached("range");
    
"referer" 
/**
     * {@code "referer"}
     */
    public static final AsciiString REFERER = AsciiString.cached("referer");
    
"retry-after" 
/**
     * {@code "retry-after"}
     */
    public static final AsciiString RETRY_AFTER = AsciiString.cached("retry-after");
    
"sec-websocket-key1" 
/**
     * {@code "sec-websocket-key1"}
     */
    public static final AsciiString SEC_WEBSOCKET_KEY1 = AsciiString.cached("sec-websocket-key1");
    
"sec-websocket-key2" 
/**
     * {@code "sec-websocket-key2"}
     */
    public static final AsciiString SEC_WEBSOCKET_KEY2 = AsciiString.cached("sec-websocket-key2");
    
"sec-websocket-location" 
/**
     * {@code "sec-websocket-location"}
     */
    public static final AsciiString SEC_WEBSOCKET_LOCATION = AsciiString.cached("sec-websocket-location");
    
"sec-websocket-origin" 
/**
     * {@code "sec-websocket-origin"}
     */
    public static final AsciiString SEC_WEBSOCKET_ORIGIN = AsciiString.cached("sec-websocket-origin");
    
"sec-websocket-protocol" 
/**
     * {@code "sec-websocket-protocol"}
     */
    public static final AsciiString SEC_WEBSOCKET_PROTOCOL = AsciiString.cached("sec-websocket-protocol");
    
"sec-websocket-version" 
/**
     * {@code "sec-websocket-version"}
     */
    public static final AsciiString SEC_WEBSOCKET_VERSION = AsciiString.cached("sec-websocket-version");
    
"sec-websocket-key" 
/**
     * {@code "sec-websocket-key"}
     */
    public static final AsciiString SEC_WEBSOCKET_KEY = AsciiString.cached("sec-websocket-key");
    
"sec-websocket-accept" 
/**
     * {@code "sec-websocket-accept"}
     */
    public static final AsciiString SEC_WEBSOCKET_ACCEPT = AsciiString.cached("sec-websocket-accept");
    
"sec-websocket-protocol" 
/**
     * {@code "sec-websocket-protocol"}
     */
    public static final AsciiString SEC_WEBSOCKET_EXTENSIONS = AsciiString.cached("sec-websocket-extensions");
    
"server" 
/**
     * {@code "server"}
     */
    public static final AsciiString SERVER = AsciiString.cached("server");
    
"set-cookie" 
/**
     * {@code "set-cookie"}
     */
    public static final AsciiString SET_COOKIE = AsciiString.cached("set-cookie");
    
"set-cookie2" 
/**
     * {@code "set-cookie2"}
     */
    public static final AsciiString SET_COOKIE2 = AsciiString.cached("set-cookie2");
    
"te" 
/**
     * {@code "te"}
     */
    public static final AsciiString TE = AsciiString.cached("te");
    
"trailer" 
/**
     * {@code "trailer"}
     */
    public static final AsciiString TRAILER = AsciiString.cached("trailer");
    
"transfer-encoding" 
/**
     * {@code "transfer-encoding"}
     */
    public static final AsciiString TRANSFER_ENCODING = AsciiString.cached("transfer-encoding");
    
"upgrade" 
/**
     * {@code "upgrade"}
     */
    public static final AsciiString UPGRADE = AsciiString.cached("upgrade");
    
"user-agent" 
/**
     * {@code "user-agent"}
     */
    public static final AsciiString USER_AGENT = AsciiString.cached("user-agent");
    
"vary" 
/**
     * {@code "vary"}
     */
    public static final AsciiString VARY = AsciiString.cached("vary");
    
"via" 
/**
     * {@code "via"}
     */
    public static final AsciiString VIA = AsciiString.cached("via");
    
"warning" 
/**
     * {@code "warning"}
     */
    public static final AsciiString WARNING = AsciiString.cached("warning");
    
"websocket-location" 
/**
     * {@code "websocket-location"}
     */
    public static final AsciiString WEBSOCKET_LOCATION = AsciiString.cached("websocket-location");
    
"websocket-origin" 
/**
     * {@code "websocket-origin"}
     */
    public static final AsciiString WEBSOCKET_ORIGIN = AsciiString.cached("websocket-origin");
    
"websocket-protocol" 
/**
     * {@code "websocket-protocol"}
     */
    public static final AsciiString WEBSOCKET_PROTOCOL = AsciiString.cached("websocket-protocol");
    
"www-authenticate" 
/**
     * {@code "www-authenticate"}
     */
    public static final AsciiString WWW_AUTHENTICATE = AsciiString.cached("www-authenticate");
    
"x-frame-options" 
/**
     * {@code "x-frame-options"}
     */
    public static final AsciiString X_FRAME_OPTIONS = AsciiString.cached("x-frame-options");

    private HttpHeaderNames() { }
}