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Java example source code file (IllegalAccessInInvoke.java)
The IllegalAccessInInvoke.java Java example source code/* * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* @test @bug 4109289 @summary Turning off access checks now enables illegal reflection. @author Anand Palaniswamy */ import java.lang.reflect.Method; /** * Try to call a private method with Method.invoke(). If that doesn't * throw a IllegalAccessException, then access checks are disabled, * which is a bad idea. */ public class IllegalAccessInInvoke { public static void main(String[] argv) { Class[] argTypes = new Class[0]; Object[] args = new Object[0]; Method pm = null; try { pm = Foo.class.getDeclaredMethod("privateMethod", argTypes); } catch (NoSuchMethodException nsme) { throw new RuntimeException("Bizzare: privateMethod *must* be there"); } boolean ethrown = false; try { pm.invoke(new Foo(), args); } catch (IllegalAccessException iae) { ethrown = true; } catch (Exception e) { throw new RuntimeException("Unexpected " + e.toString()); } if (!ethrown) { throw new RuntimeException("Reflection access checks are disabled"); } } } class Foo { private void privateMethod() { } } Other Java examples (source code examples)Here is a short list of links related to this Java IllegalAccessInInvoke.java source code file: |
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