57 lines
2.2 KiB
Java
57 lines
2.2 KiB
Java
/*
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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import java.io.*;
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import java.net.*;
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import sun.hotspot.WhiteBox;
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public class Hello {
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public static void main(String args[]) throws Exception {
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String path = args[0];
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URL url = new File(path).toURI().toURL();
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URL[] urls = new URL[] {url};
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System.out.println(path);
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System.out.println(url);
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URLClassLoader urlClassLoader = new URLClassLoader(urls);
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Class c = urlClassLoader.loadClass("CustomLoadee");
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System.out.println(c);
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System.out.println(c.getClassLoader());
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// [1] Check that CustomLoadee is defined by the correct loader
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if (c.getClassLoader() != urlClassLoader) {
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throw new RuntimeException("c.getClassLoader() == " + c.getClassLoader() +
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", expected == " + urlClassLoader);
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}
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// [2] Check that CustomLoadee is loaded from shared archive.
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WhiteBox wb = WhiteBox.getWhiteBox();
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if (wb.isSharedClass(Hello.class)) {
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if (!wb.isSharedClass(c)) {
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throw new RuntimeException("wb.isSharedClass(c) should be true");
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}
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}
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}
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}
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