The Apache Software Foundation
The Apache POI is pleased to announce the release of POI 3.8. The release is available for download at:
http://poi.apache.org/download.html
See the full release notes below for details about this release.
Release Notes -- Apache POI -- Version 3.8
Introduction
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Apache POI is well-known in the Java field as a library for reading and writing Microsoft Office file formats, such as Excel, PowerPoint, Visio and Word. See http://poi.apache.org/ for more details
Apache POI 3.8 is an incremental feature release based on and compatible with earlier POI 3.8-beta* releases. POI 3.8 is considered stable and recommended for production use.
Release highlights:
* NPOIFS: NIO driven API to read OLE2 filesystems with low memory footprint.
* SXSSF: a low-memory footprint API built on top of XSSF that can be used when very large spreadsheets have to be produced, and heap space is limited
* poi-excelant: Ant tasks for running POI against a workbook
* Supported evaluation of new Excel formulas:
IRR,NPV,MROUND,VAR,VARP,CLEAN,CHAR,ADDRESS,HOUR,MINUTE,SECOND,RATE,WORKDAY,NETWORKDAYS,SUMIFS,RANK
* XSLF usermodel API: POI's implementation of the PowerPoint 2007 OOXML (.xlsx) file format. XSLF provides a rich usermodel API and a PPTX2PNG utility to export slides to images.
* WordToFO, WordToHtml and WordToText converters: utilities to export MS Word .doc files into XSL-FO, html and text files. Output from WordToFO can be used to convert .doc files to pdf using Apache FOP.
Other notable changes:
* Numerous improvements and refactorings in HWPF, Java API for MS Word .doc files: support for reading
footnotes, endnotes and bookmarks, improved support for hadlings tables, paragraphs, text runs and much more...
* Initial support for charts in XSSF
* support for encrypted OOXML documents
A full list of changes is available in the change log:
http://poi.apache.org/changes.html.
People interested should also follow the dev mailing list to track further progress.
Release Contents
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This release comes in two forms:
- pre-built binaries containing compiled versions of all Apache POI components and documentation
(poi-bin-3.8-20120326.zip or poi-bin-3.8-20120326.tar.gz)
- source archive you can build POI from (poi-src-3.8-20120326.zip or
poi-src-3.8-20120326.tar.gz)
Unpack the archive and use the following command to build all POI components with Apache Ant 1.6+ and JDK 1.5 or higher:
ant jar
Pre-built versions of all POI components are also available in the central Maven repository under Group ID "org.apache.poi" and Version "3.8"
All release artifacts are accompanied by MD5 checksums and a PGP signatures that you can use to verify the authenticity of your download.
The public key used for the PGP signature can be found at http://svn.apache.org/repos/asf/poi/tags/REL_3_8_FINAL/KEYS