62 lines
2.2 KiB
Java
62 lines
2.2 KiB
Java
/*
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* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 6376404
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* @summary InetAddress needs a getLoopbackAddress
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*/
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import java.net.*;
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public class GetLoopbackAddress
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{
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static InetAddress IPv4Loopback;
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static InetAddress IPv6Loopback;
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static {
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try {
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IPv4Loopback = InetAddress.getByAddress(
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new byte[] {0x7F,0x00,0x00,0x01});
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IPv6Loopback = InetAddress.getByAddress(
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new byte[] {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01});
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} catch (UnknownHostException e) {
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}
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}
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public static void main(String[] args) {
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InetAddress addr = InetAddress.getLoopbackAddress();
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if (!(addr.equals(IPv4Loopback) || addr.equals(IPv6Loopback)))
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throw new RuntimeException("Failed: getLoopbackAddress" +
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" not returning a valid loopback address");
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InetAddress addr2 = InetAddress.getLoopbackAddress();
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if (addr != addr2)
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throw new RuntimeException("Failed: getLoopbackAddress" +
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" should return a reference to the same InetAddress loopback instance.");
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}
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}
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