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Java example source code file (HAProxyProtocolVersion.java)
The HAProxyProtocolVersion.java Java example source code/* * Copyright 2014 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: * * http://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.haproxy; import static io.netty.handler.codec.haproxy.HAProxyConstants.*; /** * The HAProxy proxy protocol specification version. */ public enum HAProxyProtocolVersion { /** * The ONE proxy protocol version represents a version 1 (human-readable) header. */ V1(VERSION_ONE_BYTE), /** * The TWO proxy protocol version represents a version 2 (binary) header. */ V2(VERSION_TWO_BYTE); /** * The highest 4 bits of the protocol version and command byte contain the version */ private static final byte VERSION_MASK = (byte) 0xf0; private final byte byteValue; /** * Creates a new instance */ HAProxyProtocolVersion(byte byteValue) { this.byteValue = byteValue; } /** * Returns the {@link HAProxyProtocolVersion} represented by the higest 4 bits of the specified byte. * * @param verCmdByte protocol version and command byte */ public static HAProxyProtocolVersion valueOf(byte verCmdByte) { int version = verCmdByte & VERSION_MASK; switch ((byte) version) { case VERSION_TWO_BYTE: return V2; case VERSION_ONE_BYTE: return V1; default: throw new IllegalArgumentException("unknown version: " + version); } } /** * Returns the byte value of this version. */ public byte byteValue() { return byteValue; } } Other Java examples (source code examples)Here is a short list of links related to this Java HAProxyProtocolVersion.java source code file: |
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