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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 org.jboss.netty.handler.codec.http;
    17
    18  import java.nio.charset.Charset;
    19
    20  import org.jboss.netty.util.CharsetUtil;
    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      private HttpConstants() {
    75          // Unused
    76      }
    77  }