59 lines
2.4 KiB
Java
59 lines
2.4 KiB
Java
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/*
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* Copyright (c) 2015, 2017, 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.lang.*;
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import java.lang.reflect.*;
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import sun.hotspot.WhiteBox;
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public class DummyClassHelper {
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public static void main(String[] args) throws Exception {
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String[] classNames = {args[0], args[1]};
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Class cls = null;
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if (args.length == 2) {
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for (int i = 0; i < classNames.length; i++) {
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Method m = null;
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cls = Class.forName(classNames[i]);
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try {
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m = cls.getMethod("thisClassIsDummy");
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throw new java.lang.RuntimeException(classNames[i] +
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" should be loaded from the jimage and should not have the thisClassIsDummy() method.");
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} catch(NoSuchMethodException ex) {
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System.out.println(ex.toString());
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}
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}
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} else {
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WhiteBox wb = WhiteBox.getWhiteBox();
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for (int i = 0; i < classNames.length; i++) {
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cls = Class.forName(classNames[i]);
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if (!wb.isSharedClass(cls)) {
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System.out.println(classNames[i] + ".class" + " is not in shared space as expected.");
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} else {
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throw new java.lang.RuntimeException(classNames[i] +
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".class shouldn't be in shared space.");
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}
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}
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}
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}
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}
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