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.channel.socket.nio; 17 18 import org.jboss.netty.channel.socket.InternetProtocolFamily; 19 20 21 22 /** 23 * Helper class which convert the {@link InternetProtocolFamily}. 24 * 25 * 26 */ 27 final class ProtocolFamilyConverter { 28 29 private ProtocolFamilyConverter() { 30 // Utility class 31 } 32 33 /** 34 * Convert the {@link InternetProtocolFamily}. This MUST only be called on jdk version >= 7. 35 */ 36 public static java.net.ProtocolFamily convert(InternetProtocolFamily family) { 37 switch (family) { 38 case IPv4: 39 return java.net.StandardProtocolFamily.INET; 40 41 case IPv6: 42 return java.net.StandardProtocolFamily.INET6; 43 default: 44 throw new IllegalArgumentException(); 45 } 46 } 47 }