DefaultProviderTest.java revision 16958:13c06d444258 
1/*
2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 4884913
27 * @summary Tests that default protocols are loaded correctly
28 * @author Eamonn McManus
29 *
30 * @run clean DefaultProviderTest
31 * @run build DefaultProviderTest
32 * @run main DefaultProviderTest
33 */
34
35import java.net.*;
36import java.util.*;
37import javax.management.remote.*;
38
39/**
40 * Create an environment where the providers for the default protocols
41 * (e.g. rmi) are not visible to the loader that is used to load
42 * non-default providers.  Check that we can load the default
43 * protocols nevertheless.
44 *
45 * If JMX Remote is part of J2SE, this test becomes meaningless,
46 * because the default protocol providers are visible to the bootstrap
47 * class loader.
48 */
49public class DefaultProviderTest {
50    public static void main(String[] args) throws Exception {
51        URLClassLoader emptyLoader = new URLClassLoader(new URL[0], null);
52        Thread.currentThread().setContextClassLoader(emptyLoader);
53        Map env = new HashMap();
54        env.put(JMXConnectorFactory.PROTOCOL_PROVIDER_CLASS_LOADER,
55                emptyLoader);
56        JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///bogus");
57        JMXConnector conn = JMXConnectorFactory.newJMXConnector(url, env);
58        System.out.println("Successfully created RMI connector in hostile " +
59                           "class-loading environment");
60    }
61}
62