Java example source code file (InvalidName.java)

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Java - Java tags/keywords

exception, invalidname, malformedurlexception, myrmi, net, network, registry, rmi, runtimeexception, string

The InvalidName.java Java example source code

/*
 * Copyright (c) 1998, 2012, 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 4136563
 * @summary Naming.lookup fails to throw exception for invalid hostname
 *
 * @bug 4208801
 * @summary (1.x) java.rmi.Naming defaults to local hostname, not
 *          local IP address
 *
 * @author Laird Dornin
 *
 * @library ../testlibrary
 * @build TestLibrary
 * @run main/othervm InvalidName
 */

import java.net.URL;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.rmi.registry.Registry;
import java.rmi.Naming;
import java.rmi.Remote;
import java.rmi.server.RemoteObject;
import java.rmi.server.UnicastRemoteObject;

public class InvalidName {
    public static void main(String[] args) {

        String testName;

        // ensure that an exception is thrown for Naming URL with '#'
        try {

            System.err.println("\nRegression test for bugs " +
                               "4136563 and 4208801\n");

            testName = new String("rmi://#/MyRMI");

            Naming.lookup(testName);
            System.err.println("no exception thrown for URL: " + testName);
            throw new RuntimeException("test failed");

        } catch (MalformedURLException e) {
            // should have received malformed URL exception
            System.err.println("Correctly received instance of " +
                               "MalformedURLException:");
            System.err.println(e.getMessage());
            e.printStackTrace();

        } catch (Exception e) {
            TestLibrary.bomb(e);
        }

        // ensure a correct null pointer exception is thrown for null URL
        // ensure that a registry stub with a default hostname and one with a
        // the local host's ip address are .equals()
        try {
            String localAddress =  InetAddress.getLocalHost().getHostAddress();

            Registry registry = (Registry) Naming.lookup("rmi:///");

            if (registry.toString().indexOf(localAddress) >= 0) {
                System.err.println("verified registry endpoint contains ipaddress");
            } else {
                TestLibrary.bomb("registry endpoint does not contain ipaddress");
            }
        } catch (Exception e) {
            TestLibrary.bomb(e);
        }

        System.err.println("test passed");
    }
}