jdk/test/javax/management/remote/mandatory/loading/DefaultProviderTest.java
author duke
Sat, 01 Dec 2007 00:00:00 +0000
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child 5506 202f599c92aa
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/*
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 * Copyright 2003 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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/*
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 * @test
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 * @bug 4884913
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 * @summary Tests that default protocols are loaded correctly
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 * @author Eamonn McManus
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 * @run clean DefaultProviderTest
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 * @run build DefaultProviderTest
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 * @run main DefaultProviderTest
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 */
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import java.net.*;
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import java.util.*;
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import javax.management.remote.*;
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/**
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 * Create an environment where the providers for the default protocols
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 * (e.g. rmi) are not visible to the loader that is used to load
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 * non-default providers.  Check that we can load the default
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 * protocols nevertheless.
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 *
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 * If JMX Remote is part of J2SE, this test becomes meaningless,
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 * because the default protocol providers are visible to the bootstrap
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 * class loader.
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 */
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public class DefaultProviderTest {
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    public static void main(String[] args) throws Exception {
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        URLClassLoader emptyLoader = new URLClassLoader(new URL[0], null);
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        Thread.currentThread().setContextClassLoader(emptyLoader);
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        Map env = new HashMap();
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        env.put(JMXConnectorFactory.PROTOCOL_PROVIDER_CLASS_LOADER,
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                emptyLoader);
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        JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///bogus");
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        JMXConnector conn = JMXConnectorFactory.newJMXConnector(url, env);
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        System.out.println("Successfully created RMI connector in hostile " +
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                           "class-loading environment");
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    }
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}