DateFormatDemo.java Source code

Introduction

Here is the source code for DateFormatDemo.java

Source

/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;

public class DateFormatDemo {

    static public void displayDate(Locale currentLocale) {

        Date today;
        String dateOut;
        DateFormat dateFormatter;

        dateFormatter = DateFormat.getDateInstance(DateFormat.DEFAULT, currentLocale);
        today = new Date();
        dateOut = dateFormatter.format(today);

        System.out.println(dateOut + "   " + currentLocale.toString());
    }

    static public void showBothStyles(Locale currentLocale) {

        Date today;
        String result;
        DateFormat formatter;

        int[] styles = { DateFormat.DEFAULT, DateFormat.SHORT, DateFormat.MEDIUM, DateFormat.LONG,
                DateFormat.FULL };

        System.out.println();
        System.out.println("Locale: " + currentLocale.toString());
        System.out.println();

        today = new Date();

        for (int k = 0; k < styles.length; k++) {
            formatter = DateFormat.getDateTimeInstance(styles[k], styles[k], currentLocale);
            result = formatter.format(today);
            System.out.println(result);
        }
    }

    static public void showDateStyles(Locale currentLocale) {

        Date today = new Date();
        String result;
        DateFormat formatter;

        int[] styles = { DateFormat.DEFAULT, DateFormat.SHORT, DateFormat.MEDIUM, DateFormat.LONG,
                DateFormat.FULL };

        System.out.println();
        System.out.println("Locale: " + currentLocale.toString());
        System.out.println();

        for (int k = 0; k < styles.length; k++) {
            formatter = DateFormat.getDateInstance(styles[k], currentLocale);
            result = formatter.format(today);
            System.out.println(result);
        }
    }

    static public void showTimeStyles(Locale currentLocale) {

        Date today = new Date();
        String result;
        DateFormat formatter;

        int[] styles = { DateFormat.DEFAULT, DateFormat.SHORT, DateFormat.MEDIUM, DateFormat.LONG,
                DateFormat.FULL };

        System.out.println();
        System.out.println("Locale: " + currentLocale.toString());
        System.out.println();

        for (int k = 0; k < styles.length; k++) {
            formatter = DateFormat.getTimeInstance(styles[k], currentLocale);
            result = formatter.format(today);
            System.out.println(result);
        }
    }

    static public void main(String[] args) {

        Locale[] locales = { new Locale("fr", "FR"), new Locale("de", "DE"), new Locale("en", "US") };

        for (int i = 0; i < locales.length; i++) {
            displayDate(locales[i]);
        }

        showDateStyles(new Locale("en", "US"));
        showDateStyles(new Locale("fr", "FR"));

        showTimeStyles(new Locale("en", "US"));
        showTimeStyles(new Locale("de", "DE"));

        showBothStyles(new Locale("en", "US"));
        showBothStyles(new Locale("fr", "FR"));

    }
}