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comparison src/org/eclipse/jetty/http/HttpHeaderValues.java @ 802:3428c60d7cfc

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replace jetty jars with source
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 07 Sep 2016 21:15:48 -0600
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children 74b9daf2826c
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801:6a21393191c1 802:3428c60d7cfc
1 //
2 // ========================================================================
3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.http;
20
21 import org.eclipse.jetty.io.Buffer;
22 import org.eclipse.jetty.io.BufferCache;
23 import org.eclipse.jetty.io.ByteArrayBuffer;
24
25 /**
26 * Cached HTTP Header values.
27 * This class caches the conversion of common HTTP Header values to and from {@link ByteArrayBuffer} instances.
28 * The resource "/org/eclipse/jetty/useragents" is checked for a list of common user agents, so that repeated
29 * creation of strings for these agents can be avoided.
30 *
31 *
32 */
33 public class HttpHeaderValues extends BufferCache
34 {
35 public final static String
36 CLOSE="close",
37 CHUNKED="chunked",
38 GZIP="gzip",
39 IDENTITY="identity",
40 KEEP_ALIVE="keep-alive",
41 CONTINUE="100-continue",
42 PROCESSING="102-processing",
43 TE="TE",
44 BYTES="bytes",
45 NO_CACHE="no-cache",
46 UPGRADE="Upgrade";
47
48 public final static int
49 CLOSE_ORDINAL=1,
50 CHUNKED_ORDINAL=2,
51 GZIP_ORDINAL=3,
52 IDENTITY_ORDINAL=4,
53 KEEP_ALIVE_ORDINAL=5,
54 CONTINUE_ORDINAL=6,
55 PROCESSING_ORDINAL=7,
56 TE_ORDINAL=8,
57 BYTES_ORDINAL=9,
58 NO_CACHE_ORDINAL=10,
59 UPGRADE_ORDINAL=11;
60
61 public final static HttpHeaderValues CACHE= new HttpHeaderValues();
62
63 public final static Buffer
64 CLOSE_BUFFER=CACHE.add(CLOSE,CLOSE_ORDINAL),
65 CHUNKED_BUFFER=CACHE.add(CHUNKED,CHUNKED_ORDINAL),
66 GZIP_BUFFER=CACHE.add(GZIP,GZIP_ORDINAL),
67 IDENTITY_BUFFER=CACHE.add(IDENTITY,IDENTITY_ORDINAL),
68 KEEP_ALIVE_BUFFER=CACHE.add(KEEP_ALIVE,KEEP_ALIVE_ORDINAL),
69 CONTINUE_BUFFER=CACHE.add(CONTINUE, CONTINUE_ORDINAL),
70 PROCESSING_BUFFER=CACHE.add(PROCESSING, PROCESSING_ORDINAL),
71 TE_BUFFER=CACHE.add(TE,TE_ORDINAL),
72 BYTES_BUFFER=CACHE.add(BYTES,BYTES_ORDINAL),
73 NO_CACHE_BUFFER=CACHE.add(NO_CACHE,NO_CACHE_ORDINAL),
74 UPGRADE_BUFFER=CACHE.add(UPGRADE,UPGRADE_ORDINAL);
75
76
77 public static boolean hasKnownValues(int httpHeaderOrdinal)
78 {
79 switch(httpHeaderOrdinal)
80 {
81 case HttpHeaders.CONNECTION_ORDINAL:
82 case HttpHeaders.TRANSFER_ENCODING_ORDINAL:
83 case HttpHeaders.CONTENT_ENCODING_ORDINAL:
84 return true;
85 }
86 return false;
87 }
88 }