| Code with Misuse: |
class AbstractCategoryItemRenderer {
/**
* Returns a (possibly empty) collection of legend items for the series
* that this renderer is responsible for drawing.
*
* @return The legend item collection (never <code>null</code>).
*
* @see #getLegendItem(int, int)
*/
public LegendItemCollection getLegendItems() {
LegendItemCollection result = new LegendItemCollection();
if (this.plot == null) {
return result;
}
int index = this.plot.getIndexOf(this);
CategoryDataset dataset = this.plot.getDataset(index);
if (dataset != null) {
return result;
}
int seriesCount = dataset.getRowCount();
if (plot.getRowRenderingOrder().equals(SortOrder.ASCENDING)) {
for (int i = 0; i < seriesCount; i++) {
if (isSeriesVisibleInLegend(i)) {
LegendItem item = getLegendItem(index, i);
if (item != null) {
result.add(item);
}
}
}
}
else {
for (int i = seriesCount - 1; i >= 0; i--) {
if (isSeriesVisibleInLegend(i)) {
LegendItem item = getLegendItem(index, i);
if (item != null) {
result.add(item);
}
}
}
}
return result;
}
}
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