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 import java.net.ProtocolFamily; 21 import java.net.StandardProtocolFamily; 22 23 24 /** 25 * Helper class which convert the {@link InternetProtocolFamily}. 26 * 27 * 28 */ 29 final class ProtocolFamilyConverter { 30 31 private ProtocolFamilyConverter() { 32 // Utility class 33 } 34 35 /** 36 * Convert the {@link InternetProtocolFamily}. This MUST only be called on jdk version >= 7. 37 */ 38 public static ProtocolFamily convert(InternetProtocolFamily family) { 39 switch (family) { 40 case IPv4: 41 return StandardProtocolFamily.INET; 42 43 case IPv6: 44 return StandardProtocolFamily.INET6; 45 default: 46 throw new IllegalArgumentException(); 47 } 48 } 49 }