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jfreechart example source code file (SegmentedTimelineTests2.java)

This example jfreechart source code file (SegmentedTimelineTests2.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

calendar, calendar, date, date, europe/london, europe/london, locale, segmentedtimeline, segmentedtimeline, segmentedtimelinetests2, testcase, timezone, util

The jfreechart SegmentedTimelineTests2.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * ----------------------------
 * SegmentedTimelineTests2.java
 * ----------------------------
 * (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 02-Aug-2004 : Added standard header (DG);
 * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);
 *
 */

package org.jfree.chart.axis.junit;

import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

import junit.framework.TestCase;

import org.jfree.chart.axis.SegmentedTimeline;

/**
 * Some tests for the {@link SegmentedTimeline} class.
 */
public class SegmentedTimelineTests2 extends TestCase {

    /**
     * Constructor
     */
    public SegmentedTimelineTests2() {
        super();
    }

    /**
     * Test 1 checks 9am Friday 26 March 2004 converts to a timeline value and
     * back again correctly.  This is prior to Daylight Saving.
     */
    public void test1() {
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Locale savedLocale = Locale.getDefault();
        Locale.setDefault(Locale.UK);
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 26);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date date = cal.getTime();

        SegmentedTimeline timeline = getTimeline();
        long value = timeline.toTimelineValue(date);
        long ms = timeline.toMillisecond(value);
        Calendar cal2 = Calendar.getInstance(Locale.UK);
        cal2.setTime(new Date(ms));
        Date reverted = cal2.getTime();
        assertTrue("test1", value == (900000 * 34)
                && date.getTime() == reverted.getTime());
        TimeZone.setDefault(savedZone);
        Locale.setDefault(savedLocale);
    }

    /**
     * Test 2 checks 9.15am Friday 26 March 2004 converts to a timeline value
     * and back again correctly.  This is prior to Daylight Saving.
     */
    public void test2() {
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 26);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 15);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date date = cal.getTime();

        SegmentedTimeline timeline = getTimeline();

        long value = timeline.toTimelineValue(date);
        long ms = timeline.toMillisecond(value);
        Calendar cal2 = Calendar.getInstance(Locale.UK);
        cal2.setTime(new Date(ms));
        Date reverted = cal2.getTime();
        assertTrue(
            "test2", value == (900000 * 34 + 900000)
            && date.getTime() == reverted.getTime()
        );
        TimeZone.setDefault(savedZone);
     }

    /**
     * Test 3 checks 9.30am Friday 26 March 2004 converts to a timeline value
     * and back again correctly.  This is prior to Daylight Saving.
     */
    public void test3() {
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 26);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 30);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date date = cal.getTime();
        SegmentedTimeline timeline = getTimeline();

        long value = timeline.toTimelineValue(date);
        long ms = timeline.toMillisecond(value);

        Calendar cal2 = Calendar.getInstance(Locale.UK);
        cal2.setTime(new Date(ms));
        Date reverted = cal2.getTime();
        assertTrue(
            "test2", value == (900000 * 34 + 900000 * 2)
            && date.getTime() == reverted.getTime()
        );
        TimeZone.setDefault(savedZone);
    }

    /**
     * Test 4 checks 9.30am Friday 26 March 2004 (+ 1 millisecond) converts to
     * a timeline value and back again correctly.  This is prior to Daylight
     * Saving.
     */
    public void test4() {
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 26);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 30);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 1);
        Date date = cal.getTime();
        SegmentedTimeline timeline = getTimeline();

        long value = timeline.toTimelineValue(date);
        long ms = timeline.toMillisecond(value);
        Calendar cal2 = Calendar.getInstance(Locale.UK);
        cal2.setTime(new Date(ms));
        Date reverted = cal2.getTime();
        assertTrue(
            "test4", value == (900000 * 34 + 900000 * 2 + 1)
            && date.getTime() == reverted.getTime()
        );
        TimeZone.setDefault(savedZone);
    }

    /**
     * Test 5 checks 5.30pm Thursday 25 March 2004 converts to a timeline
     * value and back again correctly.  As it is in the excluded segment, we
     * expect it to map to 9am, Friday 26 March 2004.  This is prior to
     * Daylight Saving.
     */
    public void test5() {
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 25);
        cal.set(Calendar.HOUR_OF_DAY, 17);
        cal.set(Calendar.MINUTE, 30);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date date = cal.getTime();
        SegmentedTimeline timeline = getTimeline();

        long value = timeline.toTimelineValue(date);
        long ms = timeline.toMillisecond(value);
        Calendar cal2 = Calendar.getInstance(Locale.UK);
        cal2.setTime(new Date(ms));
        Date reverted = cal2.getTime();
        Calendar expectedReverted = Calendar.getInstance(Locale.UK);
        expectedReverted.set(Calendar.YEAR, 2004);
        expectedReverted.set(Calendar.MONTH, Calendar.MARCH);
        expectedReverted.set(Calendar.DAY_OF_MONTH, 26);
        expectedReverted.set(Calendar.HOUR_OF_DAY, 9);
        expectedReverted.set(Calendar.MINUTE, 0);
        expectedReverted.set(Calendar.SECOND, 0);
        expectedReverted.set(Calendar.MILLISECOND, 0);

        assertTrue(
            "test5", value == (900000 * 34)
            && expectedReverted.getTime().getTime() == reverted.getTime()
        );
        TimeZone.setDefault(savedZone);
    }

    /**
     * Test 6 checks that 9am on Sunday 28 March 2004 converts to the timeline
     * value and back again correctly.  Note that Saturday and Sunday are
     * excluded from the timeline, so we expect the value to map to 9am on
     * Monday 29 March 2004. This is during daylight saving.
     */
    public void test6() {
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 28);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date date = cal.getTime();
        SegmentedTimeline timeline = getTimeline();

        long value = timeline.toTimelineValue(date);
        long ms = timeline.toMillisecond(value);
        Calendar cal2 = Calendar.getInstance(Locale.UK);
        cal2.setTime(new Date(ms));
        Date reverted = cal2.getTime();

        Calendar expectedReverted = Calendar.getInstance(Locale.UK);
        expectedReverted.set(Calendar.YEAR, 2004);
        expectedReverted.set(Calendar.MONTH, Calendar.MARCH);
        expectedReverted.set(Calendar.DAY_OF_MONTH, 29);
        expectedReverted.set(Calendar.HOUR_OF_DAY, 9);
        expectedReverted.set(Calendar.MINUTE, 0);
        expectedReverted.set(Calendar.SECOND, 0);
        expectedReverted.set(Calendar.MILLISECOND, 0);

        assertTrue(
            "test6", value == (900000 * 34 * 2)
            && expectedReverted.getTime().getTime() == reverted.getTime()
        );
        TimeZone.setDefault(savedZone);
    }

    /**
     * Test 7 checks 9am Monday 29 March 2004 converts to a timeline value and
     * back again correctly.  This is during Daylight Saving.
     */
    public void test7() {
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 29);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date date = cal.getTime();

        SegmentedTimeline timeline = getTimeline();
        long value = timeline.toTimelineValue(date);
        long ms = timeline.toMillisecond(value);

        Calendar cal2 = Calendar.getInstance(Locale.UK);
        cal2.setTime(new Date(ms));
        Date reverted = cal2.getTime();

        Calendar expectedReverted = Calendar.getInstance();
        expectedReverted.set(Calendar.YEAR, 2004);
        expectedReverted.set(Calendar.MONTH, Calendar.MARCH);
        expectedReverted.set(Calendar.DAY_OF_MONTH, 29);
        expectedReverted.set(Calendar.HOUR_OF_DAY, 9);
        expectedReverted.set(Calendar.MINUTE, 0);
        expectedReverted.set(Calendar.SECOND, 0);
        expectedReverted.set(Calendar.MILLISECOND, 0);

        assertTrue(
            "test7", value == (900000 * 34 * 2)
            && expectedReverted.getTime().getTime() == reverted.getTime()
        );
        TimeZone.setDefault(savedZone);
    }

    /**
     * Test 8.
     */
    public void test8() {
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 29);
        cal.set(Calendar.HOUR_OF_DAY, 10);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date date = cal.getTime();

        SegmentedTimeline timeline = getTimeline();

        // Add exception in included segments
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 29);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 15);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        timeline.addException(cal.getTime());

        long value = timeline.toTimelineValue(date);
        long ms = timeline.toMillisecond(value);

        Calendar cal2 = Calendar.getInstance(Locale.UK);
        cal2.setTime(new Date(ms));
        Date reverted = cal2.getTime();

        Calendar expectedReverted = Calendar.getInstance();
        expectedReverted.set(Calendar.YEAR, 2004);
        expectedReverted.set(Calendar.MONTH, Calendar.MARCH);
        expectedReverted.set(Calendar.DAY_OF_MONTH, 29);
        expectedReverted.set(Calendar.HOUR_OF_DAY, 10);
        expectedReverted.set(Calendar.MINUTE, 0);
        expectedReverted.set(Calendar.SECOND, 0);
        expectedReverted.set(Calendar.MILLISECOND, 0);

        assertTrue(
            "test8", value == (900000 * 34 * 2 + 900000 * (4 - 1))
            && expectedReverted.getTime().getTime() == reverted.getTime()
        );
        TimeZone.setDefault(savedZone);
    }

    /**
     * Creates a timeline from 9am on Thursday 25 March 2004 to 5pm on
     * Tuesday 30 March 2004, for the UK locale.
     *
     * @return A timeline.
     */
    private SegmentedTimeline getTimeline() {
        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 25);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date from = cal.getTime();

        cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 2004);
        cal.set(Calendar.MONTH, Calendar.MARCH);
        cal.set(Calendar.DAY_OF_MONTH, 30);
        cal.set(Calendar.HOUR_OF_DAY, 17);
        cal.set(Calendar.MINUTE, 30);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date to = cal.getTime();

        return getTimeline(from, to);
    }

    /**
     * Returns a segmented timeline for 15 minute segments, Monday to Friday
     * only, between 9am and 5pm.  The UK locale is used.
     *
     * @param start  the start date.
     * @param end  the end date.
     *
     * @return The timeline.
     */
    private SegmentedTimeline getTimeline(Date start, Date end) {

        Calendar cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 1970);
        cal.set(Calendar.MONTH, Calendar.JANUARY);
        cal.set(Calendar.DAY_OF_MONTH, 1);
        cal.set(Calendar.HOUR_OF_DAY, 9);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date open = cal.getTime();

        cal = Calendar.getInstance(Locale.UK);
        cal.set(Calendar.YEAR, 1970);
        cal.set(Calendar.MONTH, Calendar.JANUARY);
        cal.set(Calendar.DAY_OF_MONTH, 1);
        cal.set(Calendar.HOUR_OF_DAY, 17);
        cal.set(Calendar.MINUTE, 30);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date close = cal.getTime();

        SegmentedTimeline result = null;
        // Create a segmented time line (segment size : 15 minutes)
        long quarterHourCount = (close.getTime() - open.getTime())
            / SegmentedTimeline.FIFTEEN_MINUTE_SEGMENT_SIZE;
        long totalQuarterHourCount = SegmentedTimeline.DAY_SEGMENT_SIZE
            / SegmentedTimeline.FIFTEEN_MINUTE_SEGMENT_SIZE;
        result = new SegmentedTimeline(
            SegmentedTimeline.FIFTEEN_MINUTE_SEGMENT_SIZE,
            (int) quarterHourCount,
            (int) (totalQuarterHourCount - quarterHourCount)
        );
        result.setAdjustForDaylightSaving(true);
        // Set start time
        result.setStartTime(start.getTime());
        // Saturday and Sundays are non business hours
        result.setBaseTimeline(
            SegmentedTimeline.newMondayThroughFridayTimeline()
        );
        /* PUT exclusions in test */
        if (start != null && end != null) {
            result.addBaseTimelineExclusions(start.getTime(), end.getTime());
        }

        return result;
    }


}

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