1 /******************************************************************************* 2 * Copyright (c) 2007, 2014 Massimiliano Ziccardi 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * 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, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 *******************************************************************************/ 16 package it.jnrpe.net; 17 18 /** 19 * Enumeration of all the supported packet versions. 20 * 21 * @author Massimiliano Ziccardi 22 */ 23 public enum PacketVersion { 24 /** 25 * Packet version 1: no longer supported. 26 */ 27 VERSION_1(1), 28 /** 29 * Packet version 2. 30 */ 31 VERSION_2(2); 32 33 /** 34 * The enumeration int value. 35 */ 36 private final int intValue; 37 38 /** 39 * Builds an enumeration with the given int value. 40 * 41 * @param value 42 * The value 43 */ 44 PacketVersion(final int value) { 45 intValue = value; 46 } 47 48 /** 49 * Returns the int value of the enum. 50 * 51 * @return The int value 52 */ 53 public int intValue() { 54 return intValue; 55 } 56 57 /** 58 * Returns the enum corresponding with the given int value. 59 * 60 * @param value 61 * The int value to be converted 62 * @return A {@link PacketVersion} enum. Null if not found 63 */ 64 public static PacketVersion fromIntValue(final int value) { 65 switch (value) { 66 case 1: 67 return VERSION_1; 68 case 2: 69 return VERSION_2; 70 default: 71 return null; 72 } 73 } 74 }