jdk/test/java/io/Serializable/defaulted/GetFieldRead.java
author martin
Tue, 15 Sep 2015 21:56:04 -0700
changeset 32649 2ee9017c7597
parent 5506 202f599c92aa
permissions -rw-r--r--
8136583: Core libraries should use blessed modifier order Summary: Run blessed-modifier-order script (see bug) Reviewed-by: psandoz, chegar, alanb, plevart
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/*
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 * Copyright (c) 1999, 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 4180735
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 * @summary Make sure that fields that are defaulted can be of primitive and
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 *          object type.
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 *
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 */
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import java.io.*;
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class TestClass implements Serializable {
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    public static final Integer DEFAULT_OBJECT_I = new Integer(99);
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    public static final Foo DEFAULT_OBJECT_F = new Foo();
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    private static final long serialVersionUID=5748652654655279289L;
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    // Fields to be serialized.
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    private static final ObjectStreamField[] serialPersistentFields = {
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        new ObjectStreamField("objectI", Integer.class),
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        new ObjectStreamField("primitiveI", Integer.TYPE),
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        new ObjectStreamField("foo", Foo.class)
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    };
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    Integer objectI;
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    int     primitiveI;
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    Foo foo;
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    public TestClass(Foo f, Integer I, int i) {
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        foo = f;
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        objectI = I;
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        primitiveI = i;
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    }
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    /**
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     * Verify GetField.defaulted("fieldName") works for primitive and
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     * object fields.
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     */
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    private void readObject(ObjectInputStream in)
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        throws ClassNotFoundException, IOException
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    {
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        ObjectInputStream.GetField pfields = in.readFields();
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        primitiveI = pfields.get("primitiveI", 99);
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        System.out.println("The primitiveI : " + primitiveI);
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        objectI = (Integer)pfields.get("objectI", DEFAULT_OBJECT_I);
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        System.out.println("The ObjectI : " + objectI);
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        foo = (Foo)pfields.get("foo", DEFAULT_OBJECT_F);
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        System.out.println("The foo : " + foo);
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        try {
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            boolean b = pfields.defaulted("primitiveI");
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            System.out.println("Defaulted prim : " + b);
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            if (b == false) {
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                throw new Error("Bad return value for defaulted() with " +
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                    "primitive type fields");
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            }
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            b = pfields.defaulted("objectI");
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            System.out.println("Defaulted ObjectI : " + b);
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            if (b == true) {
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                throw new Error("Bad return value for defaulted() with " +
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                    "object type fields");
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            }
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            b = pfields.defaulted("foo");
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            System.out.println("Defaulted Foo : " + b);
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            if (b == false) {
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                throw new Error("Bad return value for defaulted() with " +
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                    "object type fields");
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            }
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        } catch (IllegalArgumentException e) {
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            System.out.println("Exception " + e.getMessage() +
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                   ": handled calling " +
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                   "GetField.defaulted(\"fieldName referring to an object\")");
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            throw e;
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        }
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    }
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};
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public class GetFieldRead {
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    public static void main(String[] args)
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        throws ClassNotFoundException, IOException
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    {
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        FileInputStream fis = new FileInputStream("data.ser");
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        ObjectInputStream in = new ObjectInputStream(fis);
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        TestClass obj = (TestClass) in.readObject();
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        in.close();
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    }
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};