alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Java example source code file (TestDateTimeFormatStyle.java)

This example Java source code file (TestDateTimeFormatStyle.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

datetime, datetimeformatter, datetimezone, europe/london, europe/paris, exception, illegalargumentexception, locale, string, testdatetimeformatstyle, text, util

The TestDateTimeFormatStyle.java Java example source code

/*
 *  Copyright 2001-2014 Stephen Colebourne
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.joda.time.format;

import java.text.DateFormat;
import java.util.Locale;
import java.util.SimpleTimeZone;
import java.util.TimeZone;

import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.joda.time.DateTime;
import org.joda.time.DateTimeConstants;
import org.joda.time.DateTimeUtils;
import org.joda.time.DateTimeZone;

/**
 * This class is a Junit unit test for DateTimeFormat styles.
 *
 * @author Stephen Colebourne
 */
public class TestDateTimeFormatStyle extends TestCase {

    private static final Locale UK = Locale.UK;
    private static final Locale US = Locale.US;
    private static final Locale FRANCE = Locale.FRANCE;
    private static final DateTimeZone UTC = DateTimeZone.UTC;
    private static final DateTimeZone PARIS = DateTimeZone.forID("Europe/Paris");
    private static final DateTimeZone LONDON = DateTimeZone.forID("Europe/London");
    private static final DateTimeZone TOKYO = DateTimeZone.forID("Asia/Tokyo");
    private static final DateTimeZone NEWYORK = DateTimeZone.forID("America/New_York");

    long y2002days = 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 
                     366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 
                     365 + 365 + 366 + 365 + 365 + 365 + 366 + 365 + 365 + 365 +
                     366 + 365;
    // 2002-06-09
    private long TEST_TIME_NOW =
            (y2002days + 31L + 28L + 31L + 30L + 31L + 9L -1L) * DateTimeConstants.MILLIS_PER_DAY;

    private DateTimeZone originalDateTimeZone = null;
    private TimeZone originalTimeZone = null;
    private Locale originalLocale = null;

    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }

    public static TestSuite suite() {
        return new TestSuite(TestDateTimeFormatStyle.class);
    }

    public TestDateTimeFormatStyle(String name) {
        super(name);
    }

    protected void setUp() throws Exception {
        DateTimeUtils.setCurrentMillisFixed(TEST_TIME_NOW);
        originalDateTimeZone = DateTimeZone.getDefault();
        originalTimeZone = TimeZone.getDefault();
        originalLocale = Locale.getDefault();
        DateTimeZone.setDefault(LONDON);
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Locale.setDefault(UK);
    }

    protected void tearDown() throws Exception {
        DateTimeUtils.setCurrentMillisSystem();
        DateTimeZone.setDefault(originalDateTimeZone);
        TimeZone.setDefault(originalTimeZone);
        Locale.setDefault(originalLocale);
        originalDateTimeZone = null;
        originalTimeZone = null;
        originalLocale = null;
    }

    //-----------------------------------------------------------------------
    public void testForStyle_stringLengths() {
        try {
            DateTimeFormat.forStyle(null);
            fail();
        } catch (IllegalArgumentException ex) {}
        try {
            DateTimeFormat.forStyle("");
            fail();
        } catch (IllegalArgumentException ex) {}
        try {
            DateTimeFormat.forStyle("S");
            fail();
        } catch (IllegalArgumentException ex) {}
        try {
            DateTimeFormat.forStyle("SSS");
            fail();
        } catch (IllegalArgumentException ex) {}
    }

    public void testForStyle_invalidStrings() {
        try {
            DateTimeFormat.forStyle("AA");
            fail();
        } catch (IllegalArgumentException ex) {}
        try {
            DateTimeFormat.forStyle("--");
            fail();
        } catch (IllegalArgumentException ex) {}
        try {
            DateTimeFormat.forStyle("ss");
            fail();
        } catch (IllegalArgumentException ex) {}
    }

    //-----------------------------------------------------------------------
    public void testForStyle_shortDate() throws Exception {
        DateTimeFormatter f = DateTimeFormat.shortDate();
        DateTimeFormatter g = DateTimeFormat.forStyle("S-");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateInstance(DateFormat.SHORT, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateInstance(DateFormat.SHORT, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateInstance(DateFormat.SHORT, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
        
        DateTime date = new DateTime(
                DateFormat.getDateInstance(DateFormat.SHORT, FRANCE).parse(expect));
        assertEquals(date, f.withLocale(FRANCE).parseDateTime(expect));
    }

    public void testForStyle_shortTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.shortTime();
        DateTimeFormatter g = DateTimeFormat.forStyle("-S");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getTimeInstance(DateFormat.SHORT, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getTimeInstance(DateFormat.SHORT, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getTimeInstance(DateFormat.SHORT, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
        
        if (TimeZone.getDefault() instanceof SimpleTimeZone) {
            // skip test, as it needs historical time zone info
        } else {
            DateTime date = new DateTime(
                DateFormat.getTimeInstance(DateFormat.SHORT, FRANCE).parse(expect));
            assertEquals(date, f.withLocale(FRANCE).parseDateTime(expect));
        }
    }

    public void testForStyle_shortDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.shortDateTime();
        DateTimeFormatter g = DateTimeFormat.forStyle("SS");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
        
        DateTime date = new DateTime(
            DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, FRANCE).parse(expect));
        assertEquals(date, f.withLocale(FRANCE).parseDateTime(expect));
    }

    //-----------------------------------------------------------------------
    public void testForStyle_mediumDate() throws Exception {
        DateTimeFormatter f = DateTimeFormat.mediumDate();
        DateTimeFormatter g = DateTimeFormat.forStyle("M-");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateInstance(DateFormat.MEDIUM, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateInstance(DateFormat.MEDIUM, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateInstance(DateFormat.MEDIUM, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_mediumTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.mediumTime();
        DateTimeFormatter g = DateTimeFormat.forStyle("-M");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getTimeInstance(DateFormat.MEDIUM, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getTimeInstance(DateFormat.MEDIUM, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getTimeInstance(DateFormat.MEDIUM, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_mediumDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.mediumDateTime();
        DateTimeFormatter g = DateTimeFormat.forStyle("MM");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    //-----------------------------------------------------------------------
    public void testForStyle_longDate() throws Exception {
        DateTimeFormatter f = DateTimeFormat.longDate();
        DateTimeFormatter g = DateTimeFormat.forStyle("L-");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateInstance(DateFormat.LONG, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateInstance(DateFormat.LONG, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateInstance(DateFormat.LONG, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_longTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.longTime();
        DateTimeFormatter g = DateTimeFormat.forStyle("-L");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getTimeInstance(DateFormat.LONG, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getTimeInstance(DateFormat.LONG, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getTimeInstance(DateFormat.LONG, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_longDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.longDateTime();
        DateTimeFormatter g = DateTimeFormat.forStyle("LL");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    //-----------------------------------------------------------------------
    public void testForStyle_fullDate() throws Exception {
        DateTimeFormatter f = DateTimeFormat.fullDate();
        DateTimeFormatter g = DateTimeFormat.forStyle("F-");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateInstance(DateFormat.FULL, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateInstance(DateFormat.FULL, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateInstance(DateFormat.FULL, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_fullTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.fullTime();
        DateTimeFormatter g = DateTimeFormat.forStyle("-F");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getTimeInstance(DateFormat.FULL, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getTimeInstance(DateFormat.FULL, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getTimeInstance(DateFormat.FULL, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_fullDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.fullDateTime();
        DateTimeFormatter g = DateTimeFormat.forStyle("FF");
        assertSame(g, f);
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    //-----------------------------------------------------------------------
    public void testForStyle_shortMediumDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.forStyle("SM");
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_shortLongDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.forStyle("SL");
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.LONG, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.LONG, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.LONG, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_shortFullDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.forStyle("SF");
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.FULL, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.FULL, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.FULL, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    //-----------------------------------------------------------------------
    public void testForStyle_mediumShortDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.forStyle("MS");
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_mediumLongDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.forStyle("ML");
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void testForStyle_mediumFullDateTime() throws Exception {
        DateTimeFormatter f = DateTimeFormat.forStyle("MF");
        DateTime dt = new DateTime(2004, 6, 9, 10, 20, 30, 0);
        String expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.FULL, UK).format(dt.toDate());
        assertEquals(expect, f.print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.FULL, US).format(dt.toDate());
        assertEquals(expect, f.withLocale(US).print(dt));
        expect = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.FULL, FRANCE).format(dt.toDate());
        assertEquals(expect, f.withLocale(FRANCE).print(dt));
    }

    public void test_patternForStyle() throws Exception {
        String format = DateTimeFormat.patternForStyle("MF", UK);
        assertNotNull(format);
    }

}

Other Java examples (source code examples)

Here is a short list of links related to this Java TestDateTimeFormatStyle.java source code file:
... this post is sponsored by my books ...

#1 New Release!
FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.