Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/Sources/formale Sprachen/Java/Openjdk/test/jdk/java/util/TimeZone/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 3 kB

Quelle DefaultTimeZoneTest.java Sprache: JAVA

/*
* Copyright (c) 2005, 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.
*/

/*
* @test
* @bug 4296930 5033603 7092679
* @summary Make sure that Java runtime detects the platform time zone
* correctly. Also make sure that the system time zone detection code
* detects the "Automatically adjust clock for daylight saving
* changes" setting correctly on Windows.
* @run applet/manual=yesno DefaultTimeZoneTest.html
*/

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;
import java.util.*;

public class DefaultTimeZoneTest extends JApplet implements Runnable {
    static final String FORMAT = "yyyy-MM-dd HH:mm:ss zzzz (XXX)";
    JLabel tzid;
    JLabel label;
    SimpleDateFormat sdf = new SimpleDateFormat(FORMAT);
    JButton button = new JButton("English");
    Thread clock;
    boolean english = false;

    @Override
    public void init() {
        tzid = new JLabel("Time zone ID: " + sdf.getTimeZone().getID(), SwingConstants.CENTER);
        tzid.setAlignmentX(Component.CENTER_ALIGNMENT);
        label = new JLabel(sdf.format(new Date()), SwingConstants.CENTER);
        label.setAlignmentX(Component.CENTER_ALIGNMENT);
        button.addActionListener(new ActionListener() {
                @Override
                @SuppressWarnings("deprecation")
                public void actionPerformed(ActionEvent e) {
                    english = (english == false);
                    Locale loc = english ? Locale.US : Locale.getDefault();
                    sdf = new SimpleDateFormat(FORMAT, loc);
                    button.setLabel(!english ? "English" : "Local");
                }
            });
        button.setAlignmentX(Component.CENTER_ALIGNMENT);
        JPanel panel = new JPanel();
        panel.setLayout(new BoxLayout(panel, BoxLayout.PAGE_AXIS));
        panel.add(Box.createRigidArea(new Dimension(0, 10)));
        panel.add(tzid);
        panel.add(Box.createRigidArea(new Dimension(0, 5)));
        panel.add(label);
        panel.add(Box.createRigidArea(new Dimension(0, 10)));
        panel.add(button);
        getContentPane().add(panel);
    }

    @Override
    public void start() {
        clock = new Thread(this);
        clock.start();
    }

    @Override
    public void stop() {
        clock = null;
    }

    @Override
    public void run() {
        Thread me = Thread.currentThread();

        while (clock == me) {
            // Reset the default time zone so that
            // TimeZone.getDefault will detect the platform time zone
            TimeZone.setDefault(null);
            System.setProperty("user.timezone", "");
            TimeZone tz = TimeZone.getDefault();
            sdf.setTimeZone(tz);
            tzid.setText("Time zone ID: " + tz.getID());
            label.setText(sdf.format(new Date()));
            repaint();
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
            }
        }
    }
}

quality90%

¤ Dauer der Verarbeitung: 0.14 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.