/**
*
*/
protected void exportRectangle(TableBuilder tableBuilder, JRPrintRectangle rectangle, JRExporterGridCell gridCell) throws IOException
{
JRLineBox box = new JRBaseLineBox(null);
JRPen pen = box.getPen();
pen.setLineColor(rectangle.getLinePen().getLineColor());
pen.setLineStyle(rectangle.getLinePen().getLineStyleValue());
pen.setLineWidth(rectangle.getLinePen().getLineWidth());
gridCell.setBox(box);//CAUTION: only some exporters set the cell box