DefaultProviderTest.java revision 0:37a05a11f281 
1/*
2 * Copyright 2003 Sun Microsystems, Inc.  All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24/*
25 * @test
26 * @bug 4884913
27 * @summary Tests that default protocols are loaded correctly
28 * @author Eamonn McManus
29 * @run clean DefaultProviderTest
30 * @run build DefaultProviderTest
31 * @run main DefaultProviderTest
32 */
33
34import java.net.*;
35import java.util.*;
36import javax.management.remote.*;
37
38/**
39 * Create an environment where the providers for the default protocols
40 * (e.g. rmi) are not visible to the loader that is used to load
41 * non-default providers.  Check that we can load the default
42 * protocols nevertheless.
43 *
44 * If JMX Remote is part of J2SE, this test becomes meaningless,
45 * because the default protocol providers are visible to the bootstrap
46 * class loader.
47 */
48public class DefaultProviderTest {
49    public static void main(String[] args) throws Exception {
50        URLClassLoader emptyLoader = new URLClassLoader(new URL[0], null);
51        Thread.currentThread().setContextClassLoader(emptyLoader);
52        Map env = new HashMap();
53        env.put(JMXConnectorFactory.PROTOCOL_PROVIDER_CLASS_LOADER,
54                emptyLoader);
55        JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///bogus");
56        JMXConnector conn = JMXConnectorFactory.newJMXConnector(url, env);
57        System.out.println("Successfully created RMI connector in hostile " +
58                           "class-loading environment");
59    }
60}
61