for (Iterator iter = rowsList.iterator(); iter.hasNext();) {
String row = (String) iter.next();
if (row.trim().length()==0) {
continue;
}
List cells = columnReader.digest(row, true);
String[] cellStrings = (String[]) cells.toArray(new String[cells.size()]);
dataList.add(cellStrings);
if (cellStrings.length>maxCols) {
maxCols = cellStrings.length;
}