/* * Copyright (c) 2002, 2005, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.net;import java.io.IOException;/* * Package private interface to "implementation" used by * {@link InetAddress}. * <p> * See {@link java.net.Inet4AddressImp} and * {@link java.net.Inet6AddressImp}. * * @since 1.4 */interface InetAddressImpl {     String getLocalHostName() throws UnknownHostException;    InetAddress[]        lookupAllHostAddr(String hostname) throws UnknownHostException;    String getHostByAddr(byte[] addr) throws UnknownHostException;     InetAddress anyLocalAddress();    InetAddress loopbackAddress();    boolean isReachable(InetAddress addr, int timeout, NetworkInterface netif,                        int ttl) throws IOException;}