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Java example source code file (TestIPv6Addresses.java)

This example Java source code file (TestIPv6Addresses.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

inetaddress, ipv6, net, network, runtimeexception, securitymanager, socketpermission, string, testipv6addresses, unknownhostexception, url

The TestIPv6Addresses.java Java example source code

/*
 * Copyright (c) 2001, 2010, 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.
 *
 * 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.
 */

/* @test
 * @bug 4451522 4460484
 * @run main/othervm TestIPv6Addresses
 * @summary URI and URL getHost() methods don't comform to RFC 2732
 */

// Run in othervm because the tests sets a SecurityManager

import java.net.*;

public class TestIPv6Addresses {
    public static void main(String[] args) {
        try {
        // testing InetAddress static constructors
        InetAddress ia1 = InetAddress.getByName("fe80::a00:20ff:feae:45c9");
        InetAddress ia2 = InetAddress.getByName("[fe80::a00:20ff:feae:45c9]");
        System.out.println("InetAddress: "+ia1+" , "+ia2);
        if (!ia1.equals(ia2)) {
            throw new RuntimeException("InetAddress.getByName failed for"+
                                       "literal IPv6 addresses");
        }
        // testing URL constructor, getHost and getAuthority
        URL u1 = new URL("http", "fe80::a00:20ff:feae:45c9", 80, "/index.html");
        URL u2 = new URL("http", "[fe80::a00:20ff:feae:45c9]", 80, "/index.html");
        if (!u1.equals(u2)) {
            throw new RuntimeException("URL constructor failed for"+
                                       "literal IPv6 addresses");
        }
        if (!u1.getHost().equals(u2.getHost()) ||
            !u1.getHost().equals("[fe80::a00:20ff:feae:45c9]")) {
            throw new RuntimeException("URL.getHost() failed for"+
                                       "literal IPv6 addresses");
        }
        if (!u1.getAuthority().equals("[fe80::a00:20ff:feae:45c9]:80")) {
            throw new RuntimeException("URL.getAuthority() failed for"+
                                       "literal IPv6 addresses");
        }

        // need to test URI as well

        // testing SocketPermission to see whether it handles unambiguous cases
        // testing getIP and getHost etc
        SocketPermission sp1 =
            new SocketPermission(u1.getHost()+":80-", "resolve");
        SocketPermission sp2 =
            new SocketPermission(ia1.getHostAddress()+":8080", "resolve");

        if (!sp1.implies(sp2)) {
            throw new RuntimeException("SocketPermission implies doesn't work"+
                                       " for literal IPv6 addresses");
        }
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage());
        }
        // bug 4460484

        SecurityManager sm = new SecurityManager();
        String strAddr = "::FFFF:127.0.0.1.2";

        try {
            InetAddress addr = InetAddress.getByName(strAddr);
        } catch (UnknownHostException e) {
            // expected
        }
        System.setSecurityManager(sm);

        try {
            InetAddress addr = InetAddress.getByName(strAddr);
        } catch (java.security.AccessControlException e) {
            // expected
        } catch (UnknownHostException e) {
            // expected
        }

    }
}

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