jdk/test/com/sun/jdi/connect/spi/JdiLoadedByCustomLoader.java
author duke
Sat, 01 Dec 2007 00:00:00 +0000
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/*
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 * Copyright 2004 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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 * Creates a URLClassLoader from 2 file URLs. The first
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 * file URL is constructed from the given argument. The
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 * second is the SDK tools.jar. Once created the test
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 * attempts to load another test case (ListConnectors)
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 * using the class loader and then it invokes the list()
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 * method.
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 */
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.io.File;
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import java.lang.reflect.Method;
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public class JdiLoadedByCustomLoader {
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    public static void main(String args[]) throws Exception {
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        // create files from given arguments and tools.jar
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        File f1 = new File(args[0]);
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        String home = System.getProperty("java.home");
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        String tools = ".." + File.separatorChar + "lib" +
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            File.separatorChar + "tools.jar";
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        File f2 = (new File(home, tools)).getCanonicalFile();
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        // create class loader
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        URL[] urls = { f1.toURL(), f2.toURL() };
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        URLClassLoader cl = new URLClassLoader(urls);
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        // load ListConnectors using the class loader
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        // and then invoke the list method.
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        Class c = Class.forName("ListConnectors", true, cl);
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        Method m = c.getDeclaredMethod("list");
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        Object o = c.newInstance();
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        m.invoke(o);
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    }
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}