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14 package org.eclipse.jetty.http;
15
16 import java.io.InputStream;
17 import java.io.InputStreamReader;
18 import java.io.LineNumberReader;
19
20 import org.eclipse.jetty.io.Buffer;
21 import org.eclipse.jetty.io.BufferCache;
22 import org.eclipse.jetty.io.ByteArrayBuffer;
23 import org.eclipse.jetty.util.log.Log;
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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 }