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Java example source code file (AltNamesEqualsTest.java)

This example Java source code file (AltNamesEqualsTest.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

altnamesequalstest, dnsname, exception, generalnameinterface, integer, invalid, ipaddressname, ipaddressnames, objectidentifier, oidname, rfc822name, rfc822names, string, uriname

The AltNamesEqualsTest.java Java example source code

/*
 * Copyright (c) 1999, 2007, 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
 * @summary Make sure names that are equal are treated as such.
 * @bug 4273559
 * @author Yassir Elley
 */

import sun.security.x509.*;
import sun.security.util.ObjectIdentifier;

public class AltNamesEqualsTest{

    private final static String baseDNSName = "bob.example.com";
    private final static String baseDNSNameSame = "BOB.EXAMPLE.COM";
    private final static String baseDNSNameDiff = "fred.example.com";

    private final static String baseRFCName = "bob@example.com";
    private final static String baseRFCNameSame = "BOB@EXAMPLE.COM";
    private final static String baseRFCNameDiff = "fred@example.com";

    private final static String baseURIName = "http://bob.example.com/bob.html";
    private final static String baseURINameSame ="HTTP://BOB.EXAMPLE.COM/bob.html";
    private final static String baseURINameDiff ="http://bob.example.com/BOB.html";

    private final static String baseOIDName = "1.2.3.4";
    private final static String baseOIDNameDiff = "1.2.3.5";

    private final static String baseIPName = "1.2.3.4";
    private final static String baseIPNameDiff = "1.2.3.5";

    private DNSName dnsName, dnsNameSame, dnsNameDiff;
    private RFC822Name rfcName, rfcNameSame, rfcNameDiff;
    private URIName uriName, uriNameSame, uriNameDiff;
    private OIDName oidName, oidNameSame, oidNameDiff;
    private IPAddressName ipName, ipNameSame, ipNameDiff;

    public static void main(String [] args) throws Exception {
        AltNamesEqualsTest test = new AltNamesEqualsTest();
        test.run();
    }

    private void run() throws Exception {
        initializeNames();
        testNames("DNSNames", dnsName, dnsNameSame, dnsNameDiff);
        testNames("RFC822Names", rfcName, rfcNameSame, rfcNameDiff);
        testNames("URINames", uriName, uriNameSame, uriNameDiff);
        testNames("OIDNames", oidName, oidNameSame, oidNameDiff);
        testNames("IPAddressNames", ipName, ipNameSame, ipNameDiff);
    }

    private void initializeNames() throws Exception {
        dnsName = new DNSName(baseDNSName);
        dnsNameSame = new DNSName(baseDNSNameSame);
        dnsNameDiff = new DNSName(baseDNSNameDiff);

        rfcName = new RFC822Name(baseRFCName);
        rfcNameSame = new RFC822Name(baseRFCNameSame);
        rfcNameDiff = new RFC822Name(baseRFCNameDiff);

        uriName = new URIName(baseURIName);
        uriNameSame = new URIName(baseURINameSame);
        uriNameDiff = new URIName(baseURINameDiff);

        oidName = stringToOIDName(baseOIDName);
        oidNameSame = stringToOIDName(baseOIDName);
        oidNameDiff = stringToOIDName(baseOIDNameDiff);

        ipName = stringToIPName(baseIPName);
        ipNameSame = stringToIPName(baseIPName);
        ipNameDiff = stringToIPName(baseIPNameDiff);
    }

    private void testNames(String nameType, GeneralNameInterface name,
                           GeneralNameInterface sameName,
                           GeneralNameInterface diffName)
        throws Exception
    {
        if (!name.equals(sameName)){
            throw new Exception("Equal " + nameType + " are being " +
                                "considered unequal");
        }
        if (name.equals(diffName)){
            throw new Exception("Unequal " + nameType + " are being " +
                                "considered equal");
        }
    }

    private OIDName stringToOIDName(String name)
        throws Exception
    {
        OIDName oidName = null;
        ObjectIdentifier oid = new ObjectIdentifier(name);
        oidName = new OIDName(oid);
        return oidName;
    }

    private IPAddressName stringToIPName(String name)
        throws Exception
    {
        IPAddressName ipAddr = null;

        //Convert to byte array
        int ch = '.';
        int start = 0;
        int end = 0;
        byte components [];
        int  componentLen;

        // Calculate length of IP address
        componentLen = 0;
        while ((end = name.indexOf(ch,start)) != -1) {
            start = end + 1;
            componentLen += 1;
        }
        componentLen += 1;
        if (componentLen != 4)
            throw new Exception("Invalid IP address: need four components");
        components = new byte[componentLen];

        start = 0;
        int i = 0;
        String comp = null;
        Integer compVal = new Integer(0);
        while ((end = name.indexOf(ch,start)) != -1) {
            comp = name.substring(start,end);
            compVal = Integer.valueOf(comp);
            if (compVal.intValue() < 0 || compVal.intValue() > 255)
                throw new Exception("Invalid IP address: component value " +
                                    "not between 0-255");
            components[i++] = compVal.byteValue();
            start = end + 1;
        }
        comp = name.substring(start);
        components[i] = Integer.valueOf(comp).byteValue();
        ipAddr = new IPAddressName(components);
        return ipAddr;
    }
}

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