if (cell == null) {
// Ignore empty cells
} else if (currentSheet != null
&& record instanceof CellValueRecordInterface) {
// Normal cell inside a worksheet
CellValueRecordInterface value =
(CellValueRecordInterface) record;
Point point = new Point(value.getColumn(), value.getRow());
currentSheet.put(point, cell);
} else {
// Cell outside the worksheets
handler.startElement("div", "class", "outside");
cell.render(handler);