Example usage for org.jfree.chart.util ParamChecks nullNotPermitted

Introduction

In this page you can find the example usage for org.jfree.chart.util ParamChecks nullNotPermitted.

Prototype

public static void nullNotPermitted(Object param, String name) 

Source Link

Document

Throws an IllegalArgumentException if the supplied param is null.

Usage

From source file:org.jfree.data.statistics.BoxAndWhiskerCalculator.java

/**
 * Calculates the statistics required for a {@link BoxAndWhiskerItem}
 * from a list of <code>Number</code> objects.  Any items in the list
 * that are <code>null</code>, not an instance of <code>Number</code>, or
 * equivalent to <code>Double.NaN</code>, will be ignored.
 *
 * @param values  a list of numbers (a <code>null</code> list is not
 *                permitted).//from   w  w w  . j  a v a  2  s . com
 * @param stripNullAndNaNItems  a flag that controls the handling of null
 *     and NaN items.
 *
 * @return A box-and-whisker item.
 *
 * @since 1.0.3
 */
public static BoxAndWhiskerItem calculateBoxAndWhiskerStatistics(List values, boolean stripNullAndNaNItems) {

    ParamChecks.nullNotPermitted(values, "values");

    List vlist;
    if (stripNullAndNaNItems) {
        vlist = new ArrayList(values.size());
        Iterator iterator = values.listIterator();
        while (iterator.hasNext()) {
            Object obj = iterator.next();
            if (obj instanceof Number) {
                Number n = (Number) obj;
                double v = n.doubleValue();
                if (!Double.isNaN(v)) {
                    vlist.add(n);
                }
            }
        }
    } else {
        vlist = values;
    }
    Collections.sort(vlist);

    double mean = Statistics.calculateMean(vlist, false);
    double median = Statistics.calculateMedian(vlist, false);
    double q1 = calculateQ1(vlist);
    double q3 = calculateQ3(vlist);

    double interQuartileRange = q3 - q1;

    double upperOutlierThreshold = q3 + (interQuartileRange * 1.5);
    double lowerOutlierThreshold = q1 - (interQuartileRange * 1.5);

    double upperFaroutThreshold = q3 + (interQuartileRange * 2.0);
    double lowerFaroutThreshold = q1 - (interQuartileRange * 2.0);

    double minRegularValue = Double.POSITIVE_INFINITY;
    double maxRegularValue = Double.NEGATIVE_INFINITY;
    double minOutlier = Double.POSITIVE_INFINITY;
    double maxOutlier = Double.NEGATIVE_INFINITY;
    List outliers = new ArrayList();

    Iterator iterator = vlist.iterator();
    while (iterator.hasNext()) {
        Number number = (Number) iterator.next();
        double value = number.doubleValue();
        if (value > upperOutlierThreshold) {
            outliers.add(number);
            if (value > maxOutlier && value <= upperFaroutThreshold) {
                maxOutlier = value;
            }
        } else if (value < lowerOutlierThreshold) {
            outliers.add(number);
            if (value < minOutlier && value >= lowerFaroutThreshold) {
                minOutlier = value;
            }
        } else {
            minRegularValue = Math.min(minRegularValue, value);
            maxRegularValue = Math.max(maxRegularValue, value);
        }
        minOutlier = Math.min(minOutlier, minRegularValue);
        maxOutlier = Math.max(maxOutlier, maxRegularValue);
    }

    return new BoxAndWhiskerItem(new Double(mean), new Double(median), new Double(q1), new Double(q3),
            new Double(minRegularValue), new Double(maxRegularValue), new Double(minOutlier),
            new Double(maxOutlier), outliers);

}

---

From source file:org.jfree.data.DefaultKeyedValue.java

/**
 * Creates a new (key, value) item.// ww  w .  jav  a2  s .co  m
 *
 * @param key  the key (should be immutable, <code>null</code> not
 *         permitted).
 * @param value  the value (<code>null</code> permitted).
 */
public DefaultKeyedValue(Comparable key, Number value) {
    ParamChecks.nullNotPermitted(key, "key");
    this.key = key;
    this.value = value;
}

---

From source file:org.jfree.data.gantt.TaskSeries.java

/**
 * Adds a task to the series and sends a
 * {@link org.jfree.data.general.SeriesChangeEvent} to all registered
 * listeners./*from w  w  w. ja va 2 s  .c  o  m*/
 *
 * @param task  the task (<code>null</code> not permitted).
 */
public void add(Task task) {
    ParamChecks.nullNotPermitted(task, "task");
    this.tasks.add(task);
    fireSeriesChanged();
}

---

From source file:org.jfree.data.xy.OHLCDataItem.java

/**
 * Creates a new item.//w w  w  .  j ava 2  s.  c o  m
 *
 * @param date  the date (<code>null</code> not permitted).
 * @param open  the open value.
 * @param high  the high value.
 * @param low  the low value.
 * @param close  the close value.
 * @param volume  the volume.
 */
public OHLCDataItem(Date date, double open, double high, double low, double close, double volume) {
    ParamChecks.nullNotPermitted(date, "date");
    this.date = date;
    this.open = new Double(open);
    this.high = new Double(high);
    this.low = new Double(low);
    this.close = new Double(close);
    this.volume = new Double(volume);
}

---

From source file:org.jfree.data.xy.VectorSeriesCollection.java

/**
 * Adds a series to the collection and sends a {@link DatasetChangeEvent}
 * to all registered listeners.//from   ww  w. ja  va 2  s.  c  om
 *
 * @param series  the series (<code>null</code> not permitted).
 */
public void addSeries(VectorSeries series) {
    ParamChecks.nullNotPermitted(series, "series");
    this.data.add(series);
    series.addChangeListener(this);
    fireDatasetChanged();
}

---

From source file:org.jfree.data.xy.XIntervalSeriesCollection.java

/**
 * Adds a series to the collection and sends a {@link DatasetChangeEvent}
 * to all registered listeners.//  w  w w . ja  v  a  2  s  .c om
 *
 * @param series  the series (<code>null</code> not permitted).
 */
public void addSeries(XIntervalSeries series) {
    ParamChecks.nullNotPermitted(series, "series");
    this.data.add(series);
    series.addChangeListener(this);
    fireDatasetChanged();
}

---

From source file:org.jfree.data.gantt.Task.java

/**
 * Creates a new task.//ww w  .j  a va2 s  . c o  m
 *
 * @param description  the task description (<code>null</code> not
 *                     permitted).
 * @param duration  the task duration (<code>null</code> permitted).
 */
public Task(String description, TimePeriod duration) {
    ParamChecks.nullNotPermitted(description, "description");
    this.description = description;
    this.duration = duration;
    this.percentComplete = null;
    this.subtasks = new java.util.ArrayList();
}

---

From source file:org.jfree.data.xy.YIntervalSeriesCollection.java

/**
 * Adds a series to the collection and sends a {@link DatasetChangeEvent}
 * to all registered listeners.//from w  ww .j  a  va2 s .com
 *
 * @param series  the series (<code>null</code> not permitted).
 */
public void addSeries(YIntervalSeries series) {
    ParamChecks.nullNotPermitted(series, "series");
    this.data.add(series);
    series.addChangeListener(this);
    fireDatasetChanged();
}

---

From source file:org.jfree.data.general.HeatMapUtilities.java

/**
 * Creates an image that displays the values from the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param paintScale  the paint scale for the z-values (<code>null</code>
 *         not permitted)./*ww  w  .  java 2  s .c  om*/
 *
 * @return A buffered image.
 */
public static BufferedImage createHeatMapImage(HeatMapDataset dataset, PaintScale paintScale) {

    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(paintScale, "paintScale");
    int xCount = dataset.getXSampleCount();
    int yCount = dataset.getYSampleCount();
    BufferedImage image = new BufferedImage(xCount, yCount, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    for (int xIndex = 0; xIndex < xCount; xIndex++) {
        for (int yIndex = 0; yIndex < yCount; yIndex++) {
            double z = dataset.getZValue(xIndex, yIndex);
            Paint p = paintScale.getPaint(z);
            g2.setPaint(p);
            g2.fillRect(xIndex, yCount - yIndex - 1, 1, 1);
        }
    }
    return image;
}

---

From source file:org.jfree.data.xy.XYIntervalSeriesCollection.java

/**
 * Adds a series to the collection and sends a {@link DatasetChangeEvent}
 * to all registered listeners./*from   w w w.ja v  a  2  s  . co  m*/
 *
 * @param series  the series (<code>null</code> not permitted).
 */
public void addSeries(XYIntervalSeries series) {
    ParamChecks.nullNotPermitted(series, "series");
    this.data.add(series);
    series.addChangeListener(this);
    fireDatasetChanged();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• »