Examples of org.jfree.data.time.DateRange

org.jfree.data.time.DateRange
A range specified in terms of two java.util.Date objects. Instances of this class are immutable.

     * @return A data value.
     */
    public double java2DToValue(double java2DValue, Rectangle2D area,
                                RectangleEdge edge) {


        DateRange range = (DateRange) getRange();
        double axisMin = this.timeline.toTimelineValue(range.getLowerMillis());
        double axisMax = this.timeline.toTimelineValue(range.getUpperMillis());


        double min = 0.0;
        double max = 0.0;
        if (RectangleEdge.isTopOrBottom(edge)) {
            min = area.getX();

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            Range r = vap.getDataRange(this);
            if (r == null) {
                if (this.timeline instanceof SegmentedTimeline) {
                    //Timeline hasn't method getStartTime()
                    r = new DateRange((
                            (SegmentedTimeline) this.timeline).getStartTime(),
                            ((SegmentedTimeline) this.timeline).getStartTime()
                            + 1);
                }
                else {
                    r = new DateRange();
                }
            }


            long upper = this.timeline.toTimelineValue(
                    (long) r.getUpperBound());
            long lower;
            long fixedAutoRange = (long) getFixedAutoRange();
            if (fixedAutoRange > 0.0) {
                lower = upper - fixedAutoRange;
            }
            else {
                lower = this.timeline.toTimelineValue((long) r.getLowerBound());
                double range = upper - lower;
                long minRange = (long) getAutoRangeMinimumSize();
                if (range < minRange) {
                    long expand = (long) (minRange - range) / 2;
                    upper = upper + expand;
                    lower = lower - expand;
                }
                upper = upper + (long) (range * getUpperMargin());
                lower = lower - (long) (range * getLowerMargin());
            }


            upper = this.timeline.toMillisecond(upper);
            lower = this.timeline.toMillisecond(lower);
            DateRange dr = new DateRange(new Date(lower), new Date(upper));
            setRange(dr, false, false);
        }


    }

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            // the font)...
            result += lm.getHeight();
        }
        else {
            // look at lower and upper bounds...
            DateRange range = (DateRange) getRange();
            Date lower = range.getLowerDate();
            Date upper = range.getUpperDate();
            String lowerStr = null;
            String upperStr = null;
            DateFormat formatter = getDateFormatOverride();
            if (formatter != null) {
                lowerStr = formatter.format(lower);

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            // the font)...
            result += lm.getHeight();
        }
        else {
            // look at lower and upper bounds...
            DateRange range = (DateRange) getRange();
            Date lower = range.getLowerDate();
            Date upper = range.getUpperDate();
            String lowerStr = null;
            String upperStr = null;
            DateFormat formatter = getDateFormatOverride();
            if (formatter != null) {
                lowerStr = formatter.format(lower);

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                (long) getRange().getUpperBound())
                - this.timeline.toTimelineValue(
                    (long) getRange().getLowerBound()));
        Range adjusted = null;
        if (isInverted()) {
            adjusted = new DateRange(this.timeline.toMillisecond((long) (start
                    + (length * (1 - upperPercent)))),
                    this.timeline.toMillisecond((long) (start + (length
                    * (1 - lowerPercent)))));
        }
        else {
            adjusted = new DateRange(this.timeline.toMillisecond(
                    (long) (start + length * lowerPercent)),
                    this.timeline.toMillisecond((long) (start + length
                    * upperPercent)));
        }
        setRange(adjusted);

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  public XYChartBuilder setDateXAxisRange(final Date lower, final Date upper)
  {
    if (xAxis == null) {
      throw new IllegalArgumentException("Call set*XAxis first. No xAxis given yet.");
    }
    xAxis.setRange(new DateRange(lower, upper));
    return this;
  }

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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
        DateRange r2 = new DateRange(new Date(1000L), new Date(2000L));
        assertTrue(r1.equals(r2));
        assertTrue(r2.equals(r1));


        r1 = new DateRange(new Date(1111L), new Date(2000L));
        assertFalse(r1.equals(r2));
        r2 = new DateRange(new Date(1111L), new Date(2000L));
        assertTrue(r1.equals(r2));


        r1 = new DateRange(new Date(1111L), new Date(2222L));
        assertFalse(r1.equals(r2));
        r2 = new DateRange(new Date(1111L), new Date(2222L));
        assertTrue(r1.equals(r2));
    }

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        final DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
        DateRange r2 = null;


        try {
            final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            final ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);

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        if (range == null) {
            throw new IllegalArgumentException("Null 'range' argument.");
        }
        // usually the range will be a DateRange, but if it isn't do a conversion...
        if (!(range instanceof DateRange)) {
            range = new DateRange(range);
        }
        super.setRange(range, turnOffAutoRange, notify);
    }

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        if (lower.getTime() >= upper.getTime()) {
            throw new IllegalArgumentException("DateAxis.setRange(...): lower not before upper.");
        }


        // make the change...
        setRange(new DateRange(lower, upper));


    }

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Related Classes of org.jfree.data.time.DateRange

org.jfree.chart.axis.DateAxis

org.jfree.chart.axis.DateAxisTest

org.jfree.chart.axis.junit.DateAxisTests

org.jfree.chart.axis.junit.PeriodAxisTests

org.jfree.chart.axis.PeriodAxisTest

org.jfree.data.time.junit.DateRangeTests

org.projectforge.charting.XYChartBuilder

java.text.DateFormat

java.util.Date

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