jdk/test/com/sun/jdi/MethodCalls.java
author ohair
Tue, 28 Dec 2010 15:53:50 -0800
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6962318: Update copyright year Reviewed-by: xdono
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/*
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 * Copyright (c) 1999, 2001, 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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import java.lang.reflect.*;
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/*
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 * Debuggee which exercises various types method calls
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 */
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class MethodCalls {
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    public static void main(String args[]) throws Exception {
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        (new MethodCalls()).go();
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    }
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    static void staticCaller(MethodCalls mc) throws Exception {
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        System.out.println("Called staticCaller");
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        staticCallee();
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        mc.instanceCallee();
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        /*
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         * Invocation by reflection. This also exercises native method calls
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         * since Method.invoke is a native method.
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         */
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        Method m = MethodCalls.class.getDeclaredMethod("staticCallee", new Class[0]);
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        m.invoke(mc, new Object[0]);
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    }
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    void instanceCaller() throws Exception {
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        System.out.println("Called instanceCaller");
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        staticCallee();
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        instanceCallee();
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        /*
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         * Invocation by reflection. This also exercises native method calls
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         * since Method.invoke is a native method.
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         */
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        Method m = getClass().getDeclaredMethod("instanceCallee", new Class[0]);
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        m.invoke(this, new Object[0]);
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    }
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    static void staticCallee() {
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        System.out.println("Called staticCallee");
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    }
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    void instanceCallee() {
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        System.out.println("Called instanceCallee");
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    }
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    void go() throws Exception {
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        instanceCaller();
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        staticCaller(this);
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    }
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}