POI POI provides a java ports of popular OLE 2 file formats.
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POIFS XLS XLS implementation Gnumeric XM POI POIFS XLS

POI Description

POI provides a java ports of popular OLE 2 file formats. POI provides a java ports of popular OLE 2 file formats.The POI project contains several components for dealing with popular OLE 2 formats in Java. POIFS is a pure Java implementation of the OLE 2 Compound document format. HSSF is a pure Java implementation of Excel 97 XLS file format based on POIFS. HSSF Serializer is a pure Java serializer for Cocoon 2 that uses the Gnumeric XML format to output XLS. Full documentation of the POIFS file format is included. If you wish to output reports in the Excel file format, or if you have existing XML documents that you need to get into Excel, then this project is probably what you're looking for.What's New in This Release:· Support for evaluating formulas in HSSF, initial support for HSLF (PowerPoint), and support for editing document properties (HPSF).

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