test/jdk/java/io/Serializable/parents/EvolvedClass.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) 1999, 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 4186885
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 */
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import java.io.*;
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public class EvolvedClass {
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    public static void main(String args[]) throws Exception{
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        ASubClass corg = new ASubClass(1, "SerializedByEvolvedClass");
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        ASubClass cnew = null;
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        // Deserialize in to new class object
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        FileInputStream fi = new FileInputStream("parents.ser");
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        try {
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            ObjectInputStream si = new ObjectInputStream(fi);
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            cnew = (ASubClass) si.readObject();
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        } finally {
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            fi.close();
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        }
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        System.out.println("Printing the deserialized class: ");
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        System.out.println();
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        System.out.println(cnew);
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    }
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}
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/* During deserialization, the no-arg constructor of a serializable base class
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 * must not be invoked.
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 */
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class ASuperClass implements Serializable {
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    private static final long serialVersionUID = 1L;
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    String name;
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    ASuperClass() {
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        /*
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         * This method is not to be executed during deserialization for this
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         * example. Must call no-arg constructor of class Object which is the
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         * base class for ASuperClass.
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         */
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        throw new Error("ASuperClass: Wrong no-arg constructor invoked");
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    }
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    ASuperClass(String name) {
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        this.name = new String(name);
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    }
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    public String toString() {
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        return("Name:  " + name);
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    }
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}
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class ASubClass extends ASuperClass implements Serializable {
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    int num;
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    private static final long serialVersionUID =6341246181948372513L;
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    ASubClass(int num, String name) {
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        super(name);
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        this.num = num;
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    }
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    public String toString() {
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        return (super.toString() + "\nNum:  " + num);
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    }
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}