start("Cells");
final Iterator rows = sheet.rowIterator();
while (rows.hasNext()) {
final HSSFRow row = (HSSFRow) rows.next();
final Iterator cells = row.cellIterator();
while (cells.hasNext()) {
final HSSFCell cell = (HSSFCell) cells.next();
attribute("Row", Integer.toString(row.getRowNum()));
attribute("Col", Short.toString(cell.getCellNum()));
attribute("ValueType", getValueType(cell.getCellType()));