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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.http;
import java.nio.ByteBuffer;
import org.eclipse.jetty.util.ArrayTrie;
import org.eclipse.jetty.util.StringUtil;
import org.eclipse.jetty.util.Trie;
public enum HttpHeader
{
/* ------------------------------------------------------------ */
/** General Fields.
*/
CONNECTION("Connection"),
CACHE_CONTROL("Cache-Control"),
DATE("Date"),
PRAGMA("Pragma"),
PROXY_CONNECTION ("Proxy-Connection"),
TRAILER("Trailer"),
TRANSFER_ENCODING("Transfer-Encoding"),
UPGRADE("Upgrade"),
VIA("Via"),
WARNING("Warning"),
NEGOTIATE("Negotiate"),
/* ------------------------------------------------------------ */
/** Entity Fields.
*/
ALLOW("Allow"),
CONTENT_ENCODING("Content-Encoding"),
CONTENT_LANGUAGE("Content-Language"),
CONTENT_LENGTH("Content-Length"),
CONTENT_LOCATION("Content-Location"),
CONTENT_MD5("Content-MD5"),
CONTENT_RANGE("Content-Range"),
CONTENT_TYPE("Content-Type"),
EXPIRES("Expires"),
LAST_MODIFIED("Last-Modified"),
/* ------------------------------------------------------------ */
/** Request Fields.
*/
ACCEPT("Accept"),
ACCEPT_CHARSET("Accept-Charset"),
ACCEPT_ENCODING("Accept-Encoding"),
ACCEPT_LANGUAGE("Accept-Language"),
AUTHORIZATION("Authorization"),
EXPECT("Expect"),
FORWARDED("Forwarded"),
FROM("From"),
HOST("Host"),
IF_MATCH("If-Match"),
IF_MODIFIED_SINCE("If-Modified-Since"),
IF_NONE_MATCH("If-None-Match"),
IF_RANGE("If-Range"),
IF_UNMODIFIED_SINCE("If-Unmodified-Since"),
KEEP_ALIVE("Keep-Alive"),
MAX_FORWARDS("Max-Forwards"),
PROXY_AUTHORIZATION("Proxy-Authorization"),
RANGE("Range"),
REQUEST_RANGE("Request-Range"),
REFERER("Referer"),
TE("TE"),
USER_AGENT("User-Agent"),
X_FORWARDED_FOR("X-Forwarded-For"),
X_FORWARDED_PROTO("X-Forwarded-Proto"),
X_FORWARDED_SERVER("X-Forwarded-Server"),
X_FORWARDED_HOST("X-Forwarded-Host"),
/* ------------------------------------------------------------ */
/** Response Fields.
*/
ACCEPT_RANGES("Accept-Ranges"),
AGE("Age"),
ETAG("ETag"),
LOCATION("Location"),
PROXY_AUTHENTICATE("Proxy-Authenticate"),
RETRY_AFTER("Retry-After"),
SERVER("Server"),
SERVLET_ENGINE("Servlet-Engine"),
VARY("Vary"),
WWW_AUTHENTICATE("WWW-Authenticate"),
/* ------------------------------------------------------------ */
/** Other Fields.
*/
COOKIE("Cookie"),
SET_COOKIE("Set-Cookie"),
SET_COOKIE2("Set-Cookie2"),
MIME_VERSION("MIME-Version"),
IDENTITY("identity"),
X_POWERED_BY("X-Powered-By"),
HTTP2_SETTINGS("HTTP2-Settings"),
STRICT_TRANSPORT_SECURITY("Strict-Transport-Security"),
/* ------------------------------------------------------------ */
/** HTTP2 Fields.
*/
C_METHOD(":method"),
C_SCHEME(":scheme"),
C_AUTHORITY(":authority"),
C_PATH(":path"),
C_STATUS(":status"),
UNKNOWN("::UNKNOWN::");
/* ------------------------------------------------------------ */
public final static Trie<HttpHeader> CACHE= new ArrayTrie<>(560);
static
{
for (HttpHeader header : HttpHeader.values())
if (header!=UNKNOWN)
if (!CACHE.put(header.toString(),header))
throw new IllegalStateException();
}
private final String _string;
private final byte[] _bytes;
private final byte[] _bytesColonSpace;
private final ByteBuffer _buffer;
/* ------------------------------------------------------------ */
HttpHeader(String s)
{
_string=s;
_bytes=StringUtil.getBytes(s);
_bytesColonSpace=StringUtil.getBytes(s+": ");
_buffer=ByteBuffer.wrap(_bytes);
}
/* ------------------------------------------------------------ */
public ByteBuffer toBuffer()
{
return _buffer.asReadOnlyBuffer();
}
/* ------------------------------------------------------------ */
public byte[] getBytes()
{
return _bytes;
}
/* ------------------------------------------------------------ */
public byte[] getBytesColonSpace()
{
return _bytesColonSpace;
}
/* ------------------------------------------------------------ */
public boolean is(String s)
{
return _string.equalsIgnoreCase(s);
}
/* ------------------------------------------------------------ */
public String asString()
{
return _string;
}
/* ------------------------------------------------------------ */
@Override
public String toString()
{
return _string;
}
}
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