1 /* 2 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.internal.access; 27 28 import java.net.Inet4Address; 29 import java.net.Inet6Address; 30 import java.net.InetAddress; 31 import java.net.UnknownHostException; 32 33 public interface JavaNetInetAddressAccess { 34 /** 35 * Return the original application specified hostname of 36 * the given InetAddress object. 37 */ 38 String getOriginalHostName(InetAddress ia); 39 40 /** 41 * Get the InetAddress of the provided host. If an InetAddress is provided 42 * then it will be the default address returned for all calls to either 43 * form of getByName. This is required to maintain consistency when 44 * caching addresses and hostnames. 45 */ 46 InetAddress getByName(String hostName, InetAddress hostAddress) 47 throws UnknownHostException; 48 49 /** 50 * Returns a new Inet4Address with the given address. 51 */ 52 Inet4Address getByAddress(int address); 53 54 /** 55 * Returns a new InetAddress with the given address and optional scope_id. 56 */ 57 InetAddress getByAddress(byte[] addr, int scope_id); 58 59 /** 60 * Returns the 32-bit IPv4 address. 61 */ 62 int addressValue(Inet4Address inet4Address); 63 64 /** 65 * Returns a reference to the byte[] with the IPv6 address. 66 */ 67 byte[] addressBytes(Inet6Address inet6Address); 68 }