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Java example source code file (NullCases.java)

This example Java source code file (NullCases.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

exception, keymanagerfactory, net, network, newsunx509, nullcases, privatekey, security, should, ssl, string, util, x509certificate, x509keymanager

The NullCases.java Java example source code

/*
 * Copyright (c) 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.
 *
 * 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 6302126 6302321 6302271 6302304
 * @summary KeyManagerFactory.init method throws unspecified exception
 *     for NewSunX509 algorithm
 *     X509KeyManager implementation for NewSunX509 throws unspecified
 *     ProviderException
 *     X509KeyManager implementation for NewSunX509 algorithm returns empty
 *     arrays instead of null
 *     X509KeyManager implementation for NewSunX509 throws unspecified
 *     NullPointerException
 */
import java.io.*;
import java.net.*;
import java.security.*;
import javax.net.ssl.*;
import java.security.cert.X509Certificate;

import java.util.*;


public class NullCases {
    public static void main(String[] args) throws Exception {
        KeyManagerFactory kmf;
        X509KeyManager km;
        char [] password = {' '};

        // check for bug 6302126
        kmf = KeyManagerFactory.getInstance("NewSunX509");
        kmf.init((KeyStore)null, password);

        // check for 6302321
        km = (X509KeyManager) kmf.getKeyManagers()[0];
        X509Certificate[] certs = km.getCertificateChain("doesnotexist");
        PrivateKey priv = km.getPrivateKey("doesnotexist");
        if (certs != null || priv != null) {
            throw new Exception("Should return null if the alias can't be found");
        }

        // check for 6302271
        String[] clis = km.getClientAliases("doesnotexist", null);
        if (clis != null && clis.length == 0) {
            throw new Exception("Should return null instead of empty array");
        }
        String[] srvs = km.getServerAliases("doesnotexist", null);
        if (srvs != null && srvs.length == 0) {
            throw new Exception("Should return null instead of empty array");
        }

        // check for 6302304
        km.getServerAliases(null, null);
        km.getClientAliases(null, null);
        km.getCertificateChain(null);
        km.getPrivateKey(null);
        km.chooseServerAlias(null, null, null);
        km.chooseClientAlias(null, null, null);
    }
}

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