查看本类的 API文档回源码主页

   /*
    * Copyright 2013 The Netty Project
    *
    * The Netty Project licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  
  package io.netty.handler.codec.socks;
  
  public enum SocksProtocolVersion {
      SOCKS4a((byte) 0x04),
      SOCKS5((byte) 0x05),
      UNKNOWN((byte) 0xff);
  
      private final byte b;
  
      SocksProtocolVersion(byte b) {
          this.b = b;
      }
  
      /**
       * @deprecated Use {@link #valueOf(byte)} instead.
       */
      @Deprecated
      public static SocksProtocolVersion fromByte(byte b) {
          return valueOf(b);
      }
  
      public static SocksProtocolVersion valueOf(byte b) {
          for (SocksProtocolVersion code : values()) {
              if (code.b == b) {
                  return code;
              }
          }
          return UNKNOWN;
      }
  
      public byte byteValue() {
          return b;
      }
  }