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 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 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 CONNECTION = "Connection";
135 public static final String CLOSE = "close";
136 public static final byte[] CLOSE_BYTES =
137 ByteChunk.convertToBytes(CLOSE);
138 public static final String KEEPALIVE = "keep-alive";
139 public static final byte[] KEEPALIVE_BYTES =
140 ByteChunk.convertToBytes(KEEPALIVE);
141 public static final String CHUNKED = "chunked";
142 public static final byte[] ACK_BYTES =
143 ByteChunk.convertToBytes("HTTP/1.1 100 Continue" + CRLF + CRLF);
144 public static final String 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 HTTP_10 = "HTTP/1.0";
187
188
189 /**
190 * HTTP/1.1.
191 */
192 public static final String 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 GET = "GET";
201
202
203 /**
204 * HEAD.
205 */
206 public static final String HEAD = "HEAD";
207
208
209 /**
210 * POST.
211 */
212 public static final String POST = "POST";
213
214
215 }
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