test/jdk/java/io/Serializable/resolveClass/deserializeButton/Foo.java
author rriggs
Fri, 11 Oct 2019 13:11:56 -0400
changeset 58565 baa5969ecf34
parent 47216 71c04702a3d5
permissions -rw-r--r--
8231427: Warning cleanup in tests of java.io.Serializable Reviewed-by: darcy, lancea
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/*
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 * Copyright (c) 2001, 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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 * @bug 4413434
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 * @summary Verify that class loaded outside of application class loader is
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 *          correctly resolved during deserialization when read in by custom
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 *          readObject() method of a bootstrap class (in this case,
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 *          java.util.Vector).
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 */
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import java.io.*;
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import java.util.Vector;
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public class Foo implements Runnable {
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    static class TestElement extends Object implements Serializable {
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        private static final long serialVersionUID = 1L;
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    }
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    public void run() {
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        try {
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            Vector<TestElement> container = new Vector<TestElement>();
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            container.add(new TestElement());
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            // iterate to trigger java.lang.reflect code generation
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            for (int i = 0; i < 100; i++) {
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                ByteArrayOutputStream bout = new ByteArrayOutputStream();
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                ObjectOutputStream oout = new ObjectOutputStream(bout);
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                oout.writeObject(container);
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                oout.close();
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                ObjectInputStream oin = new ObjectInputStream(
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                    new ByteArrayInputStream(bout.toByteArray()));
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                oin.readObject();
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            }
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        } catch (Exception ex) {
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            throw new Error(
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                "Error occured while (de)serializing container: ", ex);
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        }
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    }
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}