Program: 47832
Project: 47832
Buggy source:
/** 
 * Returns a collection of legend items for the pie chart.
 * @return The legend items (never <code>null</code>).
 */
@Override public LegendItemCollection getLegendItems(){
  LegendItemCollection result=new LegendItemCollection();
  if (this.dataset == null) {
    return result;
  }
  List keys=this.dataset.getKeys();
  int section=0;
  Shape shape=getLegendItemShape();
  Iterator iterator=keys.iterator();
  while (iterator.hasNext()) {
    Comparable key=(Comparable)iterator.next();
    Number n=this.dataset.getValue(key);
    boolean include;
    if (n == null) {
      include=!this.ignoreNullValues;
    }
 else {
      double v=n.doubleValue();
      if (v == 0.0) {
        include=!this.ignoreZeroValues;
      }
 else {
        include=v > 0.0;
      }
    }
    if (include) {
      String label=this.legendLabelGenerator.generateSectionLabel(this.dataset,key);
      if (label != null) {
        String description=label;
        String toolTipText=null;
        if (this.legendLabelToolTipGenerator != null) {
          toolTipText=this.legendLabelToolTipGenerator.generateSectionLabel(this.dataset,key);
        }
        String urlText=null;
        if (this.legendLabelURLGenerator != null) {
          urlText=this.legendLabelURLGenerator.generateURL(this.dataset,key,this.pieIndex);
        }
        Paint paint=lookupSectionPaint(key);
        Paint outlinePaint=lookupSectionOutlinePaint(key);
        Stroke outlineStroke=lookupSectionOutlineStroke(key);
        LegendItem item=new LegendItem(label,description,toolTipText,urlText,true,shape,true,paint,true,outlinePaint,outlineStroke,false,new Line2D.Float(),new BasicStroke(),Color.BLACK);
        item.setDataset(getDataset());
        item.setSeriesIndex(this.dataset.getIndex(key));
        item.setSeriesKey(key);
        result.add(item);
      }
      section++;
    }
 else {
      section++;
    }
  }
  return result;
}

Fixed version (ground truth):
/** 
 * Returns a collection of legend items for the pie chart.
 * @return The legend items (never <code>null</code>).
 */
@Override public LegendItemCollection getLegendItems(){
  LegendItemCollection result=new LegendItemCollection();
  if (this.dataset == null) {
    return result;
  }
  List<Comparable> keys=this.dataset.getKeys();
  int section=0;
  Shape shape=getLegendItemShape();
  for (  Comparable key : keys) {
    Number n=this.dataset.getValue(key);
    boolean include;
    if (n == null) {
      include=!this.ignoreNullValues;
    }
 else {
      double v=n.doubleValue();
      if (v == 0.0) {
        include=!this.ignoreZeroValues;
      }
 else {
        include=v > 0.0;
      }
    }
    if (include) {
      String label=this.legendLabelGenerator.generateSectionLabel(this.dataset,key);
      if (label != null) {
        String description=label;
        String toolTipText=null;
        if (this.legendLabelToolTipGenerator != null) {
          toolTipText=this.legendLabelToolTipGenerator.generateSectionLabel(this.dataset,key);
        }
        String urlText=null;
        if (this.legendLabelURLGenerator != null) {
          urlText=this.legendLabelURLGenerator.generateURL(this.dataset,key,this.pieIndex);
        }
        Paint paint=lookupSectionPaint(key);
        Paint outlinePaint=lookupSectionOutlinePaint(key);
        Stroke outlineStroke=lookupSectionOutlineStroke(key);
        LegendItem item=new LegendItem(label,description,toolTipText,urlText,true,shape,true,paint,true,outlinePaint,outlineStroke,false,new Line2D.Float(),new BasicStroke(),Color.BLACK);
        item.setDataset(getDataset());
        item.setSeriesIndex(this.dataset.getIndex(key));
        item.setSeriesKey(key);
        result.add(item);
      }
      section++;
    }
 else {
      section++;
    }
  }
  return result;
}