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| The Apache POI is pleased to announce the release of POI 3.8. The release is available for download at: |
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| http://poi.apache.org/download.html |
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| See the full release notes below for details about this release. |
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| Release Notes -- Apache POI -- Version 3.8 |
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| 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 |
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| 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. |
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| Release highlights: |
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| * 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. |
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| 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 OOXML Agile Encryption |
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| 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. |
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| 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: |
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| ant jar |
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| 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" |
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| 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 |
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