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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.handler.codec.http;
17  
18  import io.netty.util.CharsetUtil;
19  
20  import java.nio.charset.Charset;
21  
22  public final class HttpConstants {
23  
24      /**
25       * Horizontal space
26       */
27      public static final byte SP = 32;
28  
29      /**
30       * Horizontal tab
31       */
32      public static final byte HT = 9;
33  
34      /**
35       * Carriage return
36       */
37      public static final byte CR = 13;
38  
39      /**
40       * Equals '='
41       */
42      public static final byte EQUALS = 61;
43  
44      /**
45       * Line feed character
46       */
47      public static final byte LF = 10;
48  
49      /**
50       * Colon ':'
51       */
52      public static final byte COLON = 58;
53  
54      /**
55       * Semicolon ';'
56       */
57      public static final byte SEMICOLON = 59;
58  
59      /**
60       * Comma ','
61       */
62      public static final byte COMMA = 44;
63  
64      /**
65       * Double quote '"'
66       */
67      public static final byte DOUBLE_QUOTE = '"';
68  
69      /**
70       * Default character set (UTF-8)
71       */
72      public static final Charset DEFAULT_CHARSET = CharsetUtil.UTF_8;
73  
74      /**
75       * Horizontal space
76       */
77      public static final char SP_CHAR = (char) SP;
78  
79      private HttpConstants() {
80          // Unused
81      }
82  }