poi/src/documentation/content/xdocs/hssf/index.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright (C) 2004 The Apache Software Foundation. All rights reserved. -->
<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V1.1//EN" "../dtd/document-v11.dtd">
<document>
<header>
<title>HSSF</title>
<subtitle>Overview</subtitle>
<authors>
<person name="Andrew C. Oliver" email="acoliver@apache.org"/>
<person name="Nicola Ken Barozzi" email="barozzi@nicolaken.com"/>
</authors>
</header>
<body>
<section><title>Overview</title>
<p>HSSF is the POI Project's pure Java implementation of the Excel '97(-2002) file format.</p>
<p>HSSF provides a way to read spreadsheets create, modify, read and write XLS spreadsheets
It provides:
</p>
<ul>
<li>low level structures for those with special needs</li>
<li>an eventmodel api for efficient read-only access</li>
<li>a full usermodel api for creating, reading and modifying XLS files</li>
</ul>
<p>
An alternate way of generating a spreadsheet is via the <link href="http://cocoon.apache.org">Cocoon</link> serializer (yet you'll still be using HSSF indirectly).
With Cocoon you can serialize any XML datasource (which might be a ESQL page outputting in SQL for instance) by simply
applying the stylesheet and designating the serializer.
</p>
<p>
If you're merely reading spreadsheet data, then use the eventmodel api
in the org.apache.poi.hssf.eventusermodel package.
</p>
<p>
If you're modifying spreadsheet data then use the usermodel api. You
can also generate spreadsheets this way.
</p>
</section>
</body>
</document>