test/jdk/java/text/Format/NumberFormat/SerializationSaveTest.java

/*
 * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * No at-test for this test, because it needs to be run on JDK 1.1.4.
 * Instead, the resulting serialized files DecimalFormat.114 and
 * DecimalFormatSymbols.114 are archived.
 */

import java.awt.*;
import java.text.*;
import java.util.*;
import java.io.*;

public class SerializationSaveTest {

    public static void main(String[] args)
    {
        try {
            CheckDecimalFormat it = new CheckDecimalFormat();
            System.out.println(it.Update());
            FileOutputStream ostream = new FileOutputStream("DecimalFormat.114");
            ObjectOutputStream p = new ObjectOutputStream(ostream);
            p.writeObject(it);
            ostream.close();
            System.out.println("DecimalFormat saved ok.");
            CheckDecimalFormatSymbols it2 = new CheckDecimalFormatSymbols();
            System.out.println("getDigit : "  + it2.Update());
            FileOutputStream ostream2 = new FileOutputStream("DecimalFormatSymbols.114");
            ObjectOutputStream p2 = new ObjectOutputStream(ostream2);
            p2.writeObject(it2);
            ostream2.close();
            System.out.println("DecimalFormatSymbols saved ok.");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

@SuppressWarnings("serial")
class CheckDecimalFormat implements Serializable
{
    DecimalFormat _decFormat = (DecimalFormat)NumberFormat.getInstance();

    public String Update()
    {
        Random r = new Random();
        return _decFormat.format(r.nextDouble());
    }
}

@SuppressWarnings("serial")
class CheckDecimalFormatSymbols implements Serializable
{
    DecimalFormatSymbols _decFormatSymbols = new DecimalFormatSymbols();

    public char Update()
    {
        return  _decFormatSymbols.getDigit();
    }
}