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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
47 public final static int
48 CLOSE_ORDINAL=1,
49 CHUNKED_ORDINAL=2,
50 GZIP_ORDINAL=3,
51 IDENTITY_ORDINAL=4,
52 KEEP_ALIVE_ORDINAL=5,
53 CONTINUE_ORDINAL=6,
54 PROCESSING_ORDINAL=7,
55 TE_ORDINAL=8,
56 BYTES_ORDINAL=9,
57 NO_CACHE_ORDINAL=10;
58
59 public final static HttpHeaderValues CACHE= new HttpHeaderValues();
60
61 public final static Buffer
62 CLOSE_BUFFER=CACHE.add(CLOSE,CLOSE_ORDINAL),
63 CHUNKED_BUFFER=CACHE.add(CHUNKED,CHUNKED_ORDINAL),
64 GZIP_BUFFER=CACHE.add(GZIP,GZIP_ORDINAL),
65 IDENTITY_BUFFER=CACHE.add(IDENTITY,IDENTITY_ORDINAL),
66 KEEP_ALIVE_BUFFER=CACHE.add(KEEP_ALIVE,KEEP_ALIVE_ORDINAL),
67 CONTINUE_BUFFER=CACHE.add(CONTINUE, CONTINUE_ORDINAL),
68 PROCESSING_BUFFER=CACHE.add(PROCESSING, PROCESSING_ORDINAL),
69 TE_BUFFER=CACHE.add(TE,TE_ORDINAL),
70 BYTES_BUFFER=CACHE.add(BYTES,BYTES_ORDINAL),
71 NO_CACHE_BUFFER=CACHE.add(NO_CACHE,NO_CACHE_ORDINAL);
72
73 static
74 {
75 int index=100;
76 CACHE.add("gzip",index++);
77 CACHE.add("gzip,deflate",index++);
78 CACHE.add("deflate",index++);
79
80 InputStream ua = HttpHeaderValues.class.getResourceAsStream("/org/eclipse/jetty/http/useragents");
81 try
82 {
83 if (ua!=null)
84 {
85 try
86 {
87 LineNumberReader in = new LineNumberReader(new InputStreamReader(ua));
88 String line = in.readLine();
89 while (line!=null)
90 {
91 CACHE.add(line,index++);
92 line = in.readLine();
93 }
94 }
95 finally
96 {
97 ua.close();
98 }
99 }
100 }
101 catch(Exception e)
102 {
103 Log.warn(e.toString());
104 Log.debug(e);
105 }
106 }
107 }