Examples of org.joda.time.Interval

org.joda.time.Interval
Interval is the standard implementation of an immutable time interval.
A time interval represents a period of time between two instants. Intervals are inclusive of the start instant and exclusive of the end. The end instant is always greater than or equal to the start instant.
Intervals have a fixed millisecond duration. This is the difference between the start and end instants. The duration is represented separately by {@link ReadableDuration}. As a result, intervals are not comparable. To compare the length of two intervals, you should compare their durations.
An interval can also be converted to a {@link ReadablePeriod}. This represents the difference between the start and end points in terms of fields such as years and days.
Interval is thread-safe and immutable. @author Brian S O'Neill @author Sean Geoghegan @author Stephen Colebourne @author Julen Parra @since 1.0

        int width = getWidth();
        int height = getHeight();
        // TODO take these from the model




        Interval interval = new Interval(dtFrom, dtTo);


        Period p = interval.toPeriod(PeriodType.days());
        // try to determine length if we had to show milliseconds


        int n = p.getDays();
        int unitSize = (int) (settings.graduations.fontMetrics.getStringBounds("wednesday  ", null)).getWidth();
        if (n < (width / unitSize)) {
            //System.out.println("jour");
            for (int i = 0; i < n; i++) {
                g2d.drawString(dtFrom.plusDays(i).dayOfWeek().getAsText(LOCALE),
                        leftMargin + 2 + i * (width / n),
                        textTopPosition);
                g2d.drawLine(leftMargin + i * (width / n), 2, leftMargin + i * (width / n), height - settings.graduations.textBottomMargin);
                paintSmallGraduations(g2d,
                        leftMargin + i * (width / n),
                        leftMargin + (i + 1) * (width / n),
                        Hours.hoursBetween(dtFrom.plusDays(i), dtFrom.plusDays(i + 1)).getHours());
            }
            return;
        }




        unitSize = (int) (settings.graduations.fontMetrics.getStringBounds("wed ", null)).getWidth();
        if (n < (width / unitSize)) {
            //System.out.println("jou");
            for (int i = 0; i < n; i++) {
                g2d.drawString(dtFrom.plusDays(i).dayOfWeek().getAsShortText(LOCALE),
                        leftMargin + 2 + i * (width / n),
                        textTopPosition);
                g2d.drawLine(leftMargin + i * (width / n), 2, leftMargin + i * (width / n), height - settings.graduations.textBottomMargin);


                paintSmallGraduations(g2d,
                        leftMargin + i * (width / n),
                        leftMargin + (i + 1) * (width / n),
                        Hours.hoursBetween(dtFrom.plusDays(i), dtFrom.plusDays(i + 1)).getHours());
            }
            return;
        }




        p = interval.toPeriod(PeriodType.days());
        n = p.getDays();
        unitSize = (int) (settings.graduations.fontMetrics.getStringBounds("30", null)).getWidth();
        if (n < (width / unitSize)) {
            //System.out.println("j");
            for (int i = 0; i < n; i++) {
                g2d.drawString("" + (dtFrom.getDayOfMonth() + i),
                        leftMargin + 2 + i * (width / n),
                        textTopPosition);
                g2d.drawLine(leftMargin + i * (width / n), 2, leftMargin + i * (width / n), height - settings.graduations.textBottomMargin);


                paintSmallGraduations(g2d,
                        leftMargin + i * (width / n),
                        leftMargin + (i + 1) * (width / n),
                        Hours.hoursBetween(dtFrom.plusDays(i), dtFrom.plusDays(i + 1)).getHours());
            }
            return;
        }


        p = interval.toPeriod(PeriodType.months());
        n = p.getMonths();
        unitSize = (int) (settings.graduations.fontMetrics.getStringBounds("September  ", null)).getWidth();
        if (n < (width / unitSize)) {
            //System.out.println("mois");
            for (int i = 0; i < n; i++) {
                g2d.drawString(dtFrom.plusMonths(i).monthOfYear().getAsText(LOCALE),
                        leftMargin + 2 + i * (width / n),
                        textTopPosition);
                g2d.drawLine(leftMargin + i * (width / n), 2, leftMargin + i * (width / n), height - settings.graduations.textBottomMargin);


                paintSmallGraduations(g2d,
                        leftMargin + i * (width / n),
                        leftMargin + (i + 1) * (width / n),
                        Days.daysBetween(dtFrom.plusMonths(i), dtFrom.plusMonths(i + 1)).getDays());
            }
            return;
        }




        unitSize = (int) (settings.graduations.fontMetrics.getStringBounds("dec ", null)).getWidth();
        if (n < (width / unitSize)) {
            //System.out.println("mo");
            for (int i = 0; i < n; i++) {
                g2d.drawString(dtFrom.plusMonths(i).monthOfYear().getAsShortText(LOCALE),
                        leftMargin + 2 + i * (width / n),
                        textTopPosition);
                g2d.drawLine(leftMargin + i * (width / n), 2, leftMargin + i * (width / n), height - settings.graduations.textBottomMargin);
                paintSmallGraduations(g2d,
                        leftMargin + i * (width / n),
                        leftMargin + (i + 1) * (width / n),
                        Days.daysBetween(dtFrom.plusMonths(i), dtFrom.plusMonths(i + 1)).getDays());
            }
            return;
        }


        unitSize = (int) (settings.graduations.fontMetrics.getStringBounds("29 ", null)).getWidth();
        if (n < (width / unitSize)) {
            //System.out.println("m");
            for (int i = 0; i < n; i++) {
                g2d.drawString("" + (dtFrom.getMonthOfYear() + i), leftMargin + 2 + i * (width / n),
                        textTopPosition);
                g2d.drawLine(leftMargin + i * (width / n), 2, leftMargin + i * (width / n), height - settings.graduations.textBottomMargin);
                paintSmallGraduations(g2d,
                        leftMargin + i * (width / n),
                        leftMargin + (i + 1) * (width / n),
                        Days.daysBetween(dtFrom.plusMonths(i), dtFrom.plusMonths(i + 1)).getDays());
            }
            return;
        }


        p = interval.toPeriod(PeriodType.years());
        n = p.getYears();
        unitSize = (int) (settings.graduations.fontMetrics.getStringBounds("1980 ", null)).getWidth();
        if (n < (width / unitSize)) {
            //System.out.println("year");
            for (int i = 0; i < n; i++) {

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        assertEquals(Long.class, c.getSupportedType());
        
        c = ConverterManager.getInstance().getDurationConverter(new Duration(123L));
        assertEquals(ReadableDuration.class, c.getSupportedType());
        
        c = ConverterManager.getInstance().getDurationConverter(new Interval(0L, 1000L));
        assertEquals(ReadableInterval.class, c.getSupportedType());
        
        c = ConverterManager.getInstance().getDurationConverter("");
        assertEquals(String.class, c.getSupportedType());

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        assertEquals(ReadablePeriod.class, c.getSupportedType());
        
        c = ConverterManager.getInstance().getPeriodConverter(new Duration(123L));
        assertEquals(ReadableDuration.class, c.getSupportedType());
        
        c = ConverterManager.getInstance().getPeriodConverter(new Interval(0L, 1000L));
        assertEquals(ReadableInterval.class, c.getSupportedType());
        
        c = ConverterManager.getInstance().getPeriodConverter("");
        assertEquals(String.class, c.getSupportedType());

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    //-----------------------------------------------------------------------
    //-----------------------------------------------------------------------
    private static int INTERVAL_SIZE = 3;


    public void testGetIntervalConverter() {
        IntervalConverter c = ConverterManager.getInstance().getIntervalConverter(new Interval(0L, 1000L));
        assertEquals(ReadableInterval.class, c.getSupportedType());
        
        c = ConverterManager.getInstance().getIntervalConverter("");
        assertEquals(String.class, c.getSupportedType());

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        assertEquals(ReadableInterval.class, ReadableIntervalConverter.INSTANCE.getSupportedType());
    }


    //-----------------------------------------------------------------------
    public void testGetDurationMillis_Object() throws Exception {
        Interval i = new Interval(100L, 223L);
        assertEquals(123L, ReadableIntervalConverter.INSTANCE.getDurationMillis(i));
    }

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        assertEquals(123L, ReadableIntervalConverter.INSTANCE.getDurationMillis(i));
    }


    //-----------------------------------------------------------------------
    public void testGetPeriodType_Object() throws Exception {
        Interval i = new Interval(100L, 223L);
        assertEquals(PeriodType.standard(),
            ReadableIntervalConverter.INSTANCE.getPeriodType(i));
    }

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        assertEquals(PeriodType.standard(),
            ReadableIntervalConverter.INSTANCE.getPeriodType(i));
    }


    public void testSetIntoPeriod_Object1() throws Exception {
        Interval i = new Interval(100L, 223L);
        MutablePeriod m = new MutablePeriod(PeriodType.millis());
        ReadableIntervalConverter.INSTANCE.setInto(m, i, null);
        assertEquals(0, m.getYears());
        assertEquals(0, m.getMonths());
        assertEquals(0, m.getWeeks());

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        assertEquals(0, m.getSeconds());
        assertEquals(123, m.getMillis());
    }


    public void testSetIntoPeriod_Object2() throws Exception {
        Interval i = new Interval(100L, 223L);
        MutablePeriod m = new MutablePeriod(PeriodType.millis());
        ReadableIntervalConverter.INSTANCE.setInto(m, i, CopticChronology.getInstance());
        assertEquals(0, m.getYears());
        assertEquals(0, m.getMonths());
        assertEquals(0, m.getWeeks());

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        assertEquals(123, m.getMillis());
    }


    //-----------------------------------------------------------------------
    public void testIsReadableInterval_Object_Chronology() throws Exception {
        Interval i = new Interval(1234L, 5678L);
        assertEquals(true, ReadableIntervalConverter.INSTANCE.isReadableInterval(i, null));
    }

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        Interval i = new Interval(1234L, 5678L);
        assertEquals(true, ReadableIntervalConverter.INSTANCE.isReadableInterval(i, null));
    }


    public void testSetIntoInterval_Object1() throws Exception {
        Interval i = new Interval(0L, 123L, CopticChronology.getInstance());
        MutableInterval m = new MutableInterval(-1000L, 1000L, BuddhistChronology.getInstance());
        ReadableIntervalConverter.INSTANCE.setInto(m, i, null);
        assertEquals(0L, m.getStartMillis());
        assertEquals(123L, m.getEndMillis());
        assertEquals(CopticChronology.getInstance(), m.getChronology());

View Full Code Here

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