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Java > Open Source Codes > org > apache > coyote > http11 > Constants


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */

17
18 package org.apache.coyote.http11;
19
20 import org.apache.tomcat.util.buf.ByteChunk;
21
22
23 /**
24  * Constants.
25  *
26  * @author Remy Maucherat
27  */

28 public final class Constants {
29
30
31     // -------------------------------------------------------------- Constants
32

33
34     /**
35      * Package name.
36      */

37     public static final String JavaDoc Package = "org.apache.coyote.http11";
38
39     public static final int DEFAULT_CONNECTION_LINGER = -1;
40     public static final int DEFAULT_CONNECTION_TIMEOUT = 60000;
41     public static final int DEFAULT_CONNECTION_UPLOAD_TIMEOUT = 300000;
42     public static final int DEFAULT_SERVER_SOCKET_TIMEOUT = 0;
43     public static final boolean DEFAULT_TCP_NO_DELAY = true;
44     
45     
46     /**
47      * CRLF.
48      */

49     public static final String JavaDoc CRLF = "\r\n";
50
51     
52     /**
53      * Server string.
54      */

55     public static final byte[] SERVER_BYTES =
56         ByteChunk.convertToBytes("Server: Apache-Coyote/1.1" + CRLF);
57
58     
59     /**
60      * CR.
61      */

62     public static final byte CR = (byte) '\r';
63
64
65     /**
66      * LF.
67      */

68     public static final byte LF = (byte) '\n';
69
70
71     /**
72      * SP.
73      */

74     public static final byte SP = (byte) ' ';
75
76
77     /**
78      * HT.
79      */

80     public static final byte HT = (byte) '\t';
81
82
83     /**
84      * COLON.
85      */

86     public static final byte COLON = (byte) ':';
87     
88     /**
89      * SEMI_COLON.
90      */

91     public static final byte SEMI_COLON = (byte) ';';
92
93
94
95     /**
96      * 'A'.
97      */

98     public static final byte A = (byte) 'A';
99
100
101     /**
102      * 'a'.
103      */

104     public static final byte a = (byte) 'a';
105
106
107     /**
108      * 'Z'.
109      */

110     public static final byte Z = (byte) 'Z';
111
112
113     /**
114      * '?'.
115      */

116     public static final byte QUESTION = (byte) '?';
117
118
119     /**
120      * Lower case offset.
121      */

122     public static final byte LC_OFFSET = A - a;
123
124
125     /**
126      * Default HTTP header buffer size.
127      */

128     public static final int DEFAULT_HTTP_HEADER_BUFFER_SIZE = 48 * 1024;
129
130
131     /* Various constant "strings" */
132     public static final byte[] CRLF_BYTES = ByteChunk.convertToBytes(CRLF);
133     public static final byte[] COLON_BYTES = ByteChunk.convertToBytes(": ");
134     public static final String JavaDoc CONNECTION = "Connection";
135     public static final String JavaDoc CLOSE = "close";
136     public static final byte[] CLOSE_BYTES =
137         ByteChunk.convertToBytes(CLOSE);
138     public static final String JavaDoc KEEPALIVE = "keep-alive";
139     public static final byte[] KEEPALIVE_BYTES =
140         ByteChunk.convertToBytes(KEEPALIVE);
141     public static final String JavaDoc CHUNKED = "chunked";
142     public static final byte[] ACK_BYTES =
143         ByteChunk.convertToBytes("HTTP/1.1 100 Continue" + CRLF + CRLF);
144     public static final String JavaDoc TRANSFERENCODING = "Transfer-Encoding";
145     public static final byte[] _200_BYTES =
146         ByteChunk.convertToBytes("200");
147     public static final byte[] _400_BYTES =
148         ByteChunk.convertToBytes("400");
149     public static final byte[] _404_BYTES =
150         ByteChunk.convertToBytes("404");
151     
152
153     /**
154      * Identity filters (input and output).
155      */

156     public static final int IDENTITY_FILTER = 0;
157
158
159     /**
160      * Chunked filters (input and output).
161      */

162     public static final int CHUNKED_FILTER = 1;
163
164
165     /**
166      * Void filters (input and output).
167      */

168     public static final int VOID_FILTER = 2;
169
170
171     /**
172      * GZIP filter (output).
173      */

174     public static final int GZIP_FILTER = 3;
175
176
177     /**
178      * Buffered filter (input)
179      */

180     public static final int BUFFERED_FILTER = 3;
181
182
183     /**
184      * HTTP/1.0.
185      */

186     public static final String JavaDoc HTTP_10 = "HTTP/1.0";
187
188
189     /**
190      * HTTP/1.1.
191      */

192     public static final String JavaDoc HTTP_11 = "HTTP/1.1";
193     public static final byte[] HTTP_11_BYTES =
194         ByteChunk.convertToBytes(HTTP_11);
195
196
197     /**
198      * GET.
199      */

200     public static final String JavaDoc GET = "GET";
201
202
203     /**
204      * HEAD.
205      */

206     public static final String JavaDoc HEAD = "HEAD";
207
208
209     /**
210      * POST.
211      */

212     public static final String JavaDoc POST = "POST";
213
214
215 }
216
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