83 lines
2.9 KiB
Java
83 lines
2.9 KiB
Java
/*
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* Copyright (c) 2016, 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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package b;
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import java.lang.reflect.AccessibleObject;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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/**
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* A package-private class in b.
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*/
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class Package {
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// fields
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private static int privateStatic;
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private int privateInstance;
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static int packageStatic;
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int packageInstance;
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protected static int protectedStatic;
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protected int protectedInstance;
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public static int publicStatic;
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public int publicInstance;
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// methods
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private static int privateStatic() { return 42; }
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private int privateInstance() { return 42; }
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static int packageStatic() { return 42; }
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int packageInstance() { return 42; }
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protected static int protectedStatic() { return 42; }
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protected int protectedInstance() { return 42; }
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public static int publicStatic() { return 42; }
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public int publicInstance() { return 42; }
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// constructors
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private Package(Void _1, Void _2, Void _3) {}
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Package(Void _1, Void _2) {}
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protected Package(Void _1) {}
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public Package() {}
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// testing method
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public static void checkAccess(AccessibleObject accessibleObject, Object obj)
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throws IllegalAccessException,
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InvocationTargetException,
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InstantiationException
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{
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if (accessibleObject instanceof Field) {
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Field field = (Field) accessibleObject;
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field.set(obj, 42);
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field.get(obj);
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} else if (accessibleObject instanceof Method) {
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Method method = (Method) accessibleObject;
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method.invoke(obj);
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} else if (accessibleObject instanceof Constructor) {
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Constructor<?> constructor = (Constructor<?>) accessibleObject;
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Object[] params = new Object[constructor.getParameterCount()];
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constructor.newInstance(params);
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}
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}
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}
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