On Tue, 24 Mar 2009, J Keller wrote:
1) The XSSF and HSSF Workbook constructors vary, I was using the
InputStream one for HSSF before. Easy enough to work-around.
The constructors vary as the base file reading varies (eg xssf is
compressed). Try using the workbook factory instead
2) I'm didn't find a a good way to get a FormulaEvaluator without checking
the instanceof for the workbook.
Did you try following the example at
http://poi.apache.org/spreadsheet/eval.html ?
3) I get a strange exception (hopefully a problem on my side):
Exception in thread "Thread-4" java.lang.IncompatibleClassChangeError:
Class org.apache.poi.hssf.usermodel.HSSFWorkbook does not implement
the requested interface
org.apache.poi.ss.usermodel.Workbook
Almost certainly two different versions of poi on your classpath
Nick
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