1 /*
   2  * Copyright (c) 2015, 2018, 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.InetAddress;
  29 import java.net.UnknownHostException;
  30 
  31 public interface JavaNetInetAddressAccess {
  32     /**
  33      * Return the original application specified hostname of
  34      * the given InetAddress object.
  35      */
  36     String getOriginalHostName(InetAddress ia);
  37 
  38     /**
  39      * Get the InetAddress of the provided host. If an InetAddress is provided
  40      * then it will be the default address returned for all calls to either
  41      * form of getByName. This is required to maintain consistency when
  42      * caching addresses and hostnames.
  43      */
  44     InetAddress getByName(String hostName, InetAddress hostAddress)
  45             throws UnknownHostException;
  46 }