List of usage examples for org.jfree.chart.util ParamChecks nullNotPermitted
public static void nullNotPermitted(Object param, String name)
IllegalArgumentException if the supplied param is null. From source file:org.jfree.data.time.MovingAverage.java
/** * Creates a new {@link TimeSeries} containing moving average values for * the given series, calculated by number of points (irrespective of the * 'age' of those points). If the series is empty (contains zero items), * the result is an empty series./*from w ww . j ava 2 s .c om*/ * <p> * Developed by Benoit Xhenseval (www.ObjectLab.co.uk). * * @param source the source series. * @param name the name of the new series. * @param pointCount the number of POINTS used in the average calculation * (not periods!) * * @return The moving average series. */ public static TimeSeries createPointMovingAverage(TimeSeries source, String name, int pointCount) { ParamChecks.nullNotPermitted(source, "source"); if (pointCount < 2) { throw new IllegalArgumentException("periodCount must be greater " + "than or equal to 2."); } TimeSeries result = new TimeSeries(name); double rollingSumForPeriod = 0.0; for (int i = 0; i < source.getItemCount(); i++) { // get the current data item... TimeSeriesDataItem current = source.getRawDataItem(i); RegularTimePeriod period = current.getPeriod(); // FIXME: what if value is null on next line? rollingSumForPeriod += current.getValue().doubleValue(); if (i > pointCount - 1) { // remove the point i-periodCount out of the rolling sum. TimeSeriesDataItem startOfMovingAvg = source.getRawDataItem(i - pointCount); rollingSumForPeriod -= startOfMovingAvg.getValue().doubleValue(); result.add(period, rollingSumForPeriod / pointCount); } else if (i == pointCount - 1) { result.add(period, rollingSumForPeriod / pointCount); } } return result; }
From source file:org.jfree.data.gantt.TaskSeriesCollection.java
/** * Returns the column index for a column key. * * @param columnKey the column key (<code>null</code> not permitted). * * @return The column index./*w w w. j ava 2 s. co m*/ */ @Override public int getColumnIndex(Comparable columnKey) { ParamChecks.nullNotPermitted(columnKey, "columnKey"); return this.keys.indexOf(columnKey); }
From source file:org.jfree.data.xy.DefaultTableXYDataset.java
/** * Adds any unique x-values from 'series' to the dataset, and also adds any * x-values that are in the dataset but not in 'series' to the series. * * @param series the series (<code>null</code> not permitted). *///from w w w.j a va 2 s . c o m private void updateXPoints(XYSeries series) { ParamChecks.nullNotPermitted(series, "series"); HashSet seriesXPoints = new HashSet(); boolean savedState = this.propagateEvents; this.propagateEvents = false; for (int itemNo = 0; itemNo < series.getItemCount(); itemNo++) { Number xValue = series.getX(itemNo); seriesXPoints.add(xValue); if (!this.xPoints.contains(xValue)) { this.xPoints.add(xValue); int seriesCount = this.data.size(); for (int seriesNo = 0; seriesNo < seriesCount; seriesNo++) { XYSeries dataSeries = (XYSeries) this.data.get(seriesNo); if (!dataSeries.equals(series)) { dataSeries.add(xValue, null); } } } } Iterator iterator = this.xPoints.iterator(); while (iterator.hasNext()) { Number xPoint = (Number) iterator.next(); if (!seriesXPoints.contains(xPoint)) { series.add(xPoint, null); } } this.propagateEvents = savedState; }
From source file:org.jfree.data.xy.MatrixSeriesCollection.java
/** * Adds a series to the collection./*from www .ja va2 s .co m*/ * <P> * Notifies all registered listeners that the dataset has changed. * </p> * * @param series the series (<code>null</code> not permitted). */ public void addSeries(MatrixSeries series) { ParamChecks.nullNotPermitted(series, "series"); // FIXME: Check that there isn't already a series with the same key // add the series... this.seriesList.add(series); series.addChangeListener(this); fireDatasetChanged(); }
From source file:org.jfree.data.time.TimePeriodValuesCollection.java
/** * Removes the specified series from the collection. * * @param series the series to remove (<code>null</code> not permitted). *///from w w w . j a v a2 s. com public void removeSeries(TimePeriodValues series) { ParamChecks.nullNotPermitted(series, "series"); this.data.remove(series); series.removeChangeListener(this); fireDatasetChanged(); }
From source file:org.jfree.data.KeyToGroupMap.java
/** * Returns the number of keys mapped to the specified group. This method * won't always return an accurate result for the default group, since * explicit mappings are not required for this group. * * @param group the group (<code>null</code> not permitted). * * @return The key count./*from w ww.ja v a 2 s. com*/ */ public int getKeyCount(Comparable group) { ParamChecks.nullNotPermitted(group, "group"); int result = 0; Iterator iterator = this.keyToGroupMap.values().iterator(); while (iterator.hasNext()) { Comparable g = (Comparable) iterator.next(); if (group.equals(g)) { result++; } } return result; }
From source file:org.jfree.data.time.Day.java
/** * Constructs a new instance, based on a particular date/time and time zone. * * @param time the date/time (<code>null</code> not permitted). * @param zone the time zone (<code>null</code> not permitted). * @param locale the locale (<code>null</code> not permitted). *//*w w w. j av a 2 s . c om*/ public Day(Date time, TimeZone zone, Locale locale) { ParamChecks.nullNotPermitted(time, "time"); ParamChecks.nullNotPermitted(zone, "zone"); ParamChecks.nullNotPermitted(locale, "locale"); Calendar calendar = Calendar.getInstance(zone, locale); calendar.setTime(time); int d = calendar.get(Calendar.DAY_OF_MONTH); int m = calendar.get(Calendar.MONTH) + 1; int y = calendar.get(Calendar.YEAR); this.serialDate = SerialDate.createInstance(d, m, y); peg(calendar); }
From source file:org.jfree.data.KeyedObjects2D.java
/** * Returns the object for the given row and column keys. * * @param rowKey the row key (<code>null</code> not permitted). * @param columnKey the column key (<code>null</code> not permitted). * * @return The object (possibly <code>null</code>). * * @throws IllegalArgumentException if <code>rowKey</code> or * <code>columnKey</code> is <code>null</code>. * @throws UnknownKeyException if <code>rowKey</code> or * <code>columnKey</code> is not recognised. *///from w w w . j a v a 2 s .c o m public Object getObject(Comparable rowKey, Comparable columnKey) { ParamChecks.nullNotPermitted(rowKey, "rowKey"); ParamChecks.nullNotPermitted(columnKey, "columnKey"); int row = this.rowKeys.indexOf(rowKey); if (row < 0) { throw new UnknownKeyException("Row key (" + rowKey + ") not recognised."); } int column = this.columnKeys.indexOf(columnKey); if (column < 0) { throw new UnknownKeyException("Column key (" + columnKey + ") not recognised."); } KeyedObjects rowData = (KeyedObjects) this.rows.get(row); int index = rowData.getIndex(columnKey); if (index >= 0) { return rowData.getObject(index); } else { return null; } }
From source file:org.jfree.data.DataUtilities.java
/** * Constructs an array of <code>Number</code> objects from an array of * <code>double</code> primitives. * * @param data the data (<code>null</code> not permitted). * * @return An array of <code>Double</code>. *///from w ww . j a va 2 s. c o m public static Number[] createNumberArray(double[] data) { ParamChecks.nullNotPermitted(data, "data"); Number[] result = new Number[data.length]; for (int i = 0; i < data.length; i++) { result[i] = new Double(data[i]); } return result; }
From source file:org.jfree.data.statistics.BoxAndWhiskerCalculator.java
/** * Calculates the third quartile for a list of numbers in ascending order. * If the items in the list are not in ascending order, the result is * unspecified. If the list contains items that are <code>null</code>, not * an instance of <code>Number</code>, or equivalent to * <code>Double.NaN</code>, the result is unspecified. * * @param values the list of values (<code>null</code> not permitted). * * @return The third quartile.//from w ww . ja v a2 s . com */ public static double calculateQ3(List values) { ParamChecks.nullNotPermitted(values, "values"); double result = Double.NaN; int count = values.size(); if (count > 0) { if (count % 2 == 1) { if (count > 1) { result = Statistics.calculateMedian(values, count / 2, count - 1); } else { result = Statistics.calculateMedian(values, 0, 0); } } else { result = Statistics.calculateMedian(values, count / 2, count - 1); } } return result; }