2003-04-23 20:53:41 -04:00
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<?xml version="1.0" encoding="UTF-8"?>
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2007-01-15 18:11:09 -05:00
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<!--
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====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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====================================================================
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-->
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2008-03-21 08:59:42 -04:00
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<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V1.3//EN" "./dtd/document-v13.dtd">
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2003-04-23 20:53:41 -04:00
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<document>
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<header>
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2009-11-19 16:22:21 -05:00
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<title>Apache POI - Component Overview</title>
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2003-04-23 20:53:41 -04:00
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<authors>
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2003-07-19 21:42:17 -04:00
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<person id="AO" name="Andrew C. Oliver" email="acoliver@apache.org"/>
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2005-01-25 15:08:18 -05:00
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<person id="RK" name="Rainer Klute" email="klute@apache.org"/>
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2009-11-19 16:22:21 -05:00
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<person id="DF" name="David Fisher" email="dfisher@jmlafferty.com"/>
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2003-04-23 20:53:41 -04:00
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</authors>
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</header>
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<body>
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2009-11-19 16:22:21 -05:00
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<section><title>Apache POI Project Components</title>
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<section><title>POIFS for OLE 2 Documents</title>
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<p>
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POIFS is the oldest and most stable part of the project. It is our port of the OLE 2 Compound Document Format to
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pure Java. It supports both read and write functionality. All of our components ultimately rely on it by
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definition. Please see <link href="./poifs/index.html">the POIFS project page</link> for more information.
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</p>
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</section>
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<section><title>HSSF and XSSF for Excel Documents</title>
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<p>
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HSSF is our port of the Microsoft Excel 97(-2007) file format (BIFF8) to pure
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Java. XSSF is our port of the Microsoft Excel XML (2007+) file format (OOXML) to
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pure Java. SS is a package that provides common support for both formats with a common API.
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They both support read and write capability. Please see
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<link href="./spreadsheet/index.html">the HSSF+XSSF project page</link> for more
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information.
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</p>
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</section>
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<section><title>HWPF and XWPF for Word Documents</title>
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<p>
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HWPF is our port of the Microsoft Word 97 (-2003) file format to pure
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Java. It supports read, and limited write capabilities. It also provides
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simple text extraction support for the older Word 6 and Word 95 formats.
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Please see <link href="./hwpf/index.html">the HWPF project page for more
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information</link>. This component remains in early stages of
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development. It can already read and write simple files.
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</p>
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<p>
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We are also working on the XWPF for the WordprocessingML (2007+) format from the
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2010-06-30 13:40:33 -04:00
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OOXML specification. This provides read and write support for simpler
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files, along with text extraction capabilities.
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2009-11-19 16:22:21 -05:00
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</p>
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</section>
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<section><title>HSLF and XSLF for PowerPoint Documents</title>
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<p>
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HSLF is our port of the Microsoft PowerPoint 97(-2003) file format to pure
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Java. It supports read and write capabilities. Please see <link
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href="./slideshow/index.html">the HSLF project page for more
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information</link>.
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</p>
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<p>
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We are also working on the XSLF for the PresentationML (2007+) format from the
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OOXML specification.
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</p>
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</section>
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<section><title>HPSF for OLE 2 Document Properties</title>
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<p>
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HPSF is our port of the OLE 2 property set format to pure
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Java. Property sets are mostly use to store a document's properties
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(title, author, date of last modification etc.), but they can be used
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for application-specific purposes as well.
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</p>
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<p>
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HPSF supports both reading and writing of properties.
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</p>
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<p>
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Please see <link href="./hpsf/index.html">the HPSF project
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page</link> for more information.
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</p>
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</section>
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<section><title>HDGF for Visio Documents</title>
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<p>
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HDGF is our port of the Microsoft Viso 97(-2003) file format to pure
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Java. It currently only supports reading at a very low level, and
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simple text extraction. Please see <link
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href="./hdgf/index.html">the HDGF project page for more
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information</link>.
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</p>
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</section>
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<section><title>HPBF for Publisher Documents</title>
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<p>
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HPBF is our port of the Microsoft Publisher 98(-2007) file format to pure
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Java. It currently only supports reading at a low level for around
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half of the file parts, and simple text extraction. Please see <link
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href="./hpbf/index.html">the HPBF project page for more
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information</link>.
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</p>
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</section>
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<section><title>HSMF for Outlook Messages</title>
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<p>
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HSMF is our port of the Microsoft Outlook message file format to pure
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Java. It currently only some of the textual content of MSG files, and
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some attachments. Further support and documentation is coming in slowly.
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2009-11-19 16:22:21 -05:00
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For now, users are advised to consult the unit tests for example use.
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Please see <link href="./hsmf/index.html">the HPBF project page for more
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information</link>.
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</p>
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<p>
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Microsoft has recently added the Outlook file format to its OSP. More information
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is now available making implementation of this API an easier task.
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</p>
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</section>
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</section>
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2003-04-23 20:53:41 -04:00
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<section><title>What is it?</title>
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<p>The Apache POI project is the master project for developing pure
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Java ports of file formats based on Microsoft's OLE 2 Compound
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Document Format. OLE 2 Compound Document Format is used by
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Microsoft Office Documents, as well as by programs using MFC
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property sets to serialize their document objects.
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</p>
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<p>Apache POI is also the master project for developing pure
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Java ports of file formats based on Office Open XML (ooxml.)
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OOXML is part of an ECMA / ISO standardisation effort. This
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documentation is quite large, but you can normally find the bit you
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need without too much effort!
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<link href="http://www.ecma-international.org/publications/standards/Ecma-376.htm">ECMA-376 standard is here</link>,
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and is also under the <link href="http://www.microsoft.com/interop/osp">Microsoft OSP</link>.
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</p>
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2003-04-23 20:53:41 -04:00
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</section>
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2009-11-19 16:22:21 -05:00
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<section id="components"><title>Component Map</title>
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<p>
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2009-11-19 16:22:21 -05:00
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The Apache POI distribution consists of support for many document file formats. This support is provided
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in several Jar files. Not all of the Jars are needed for every format. The following tables
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show the relationships between POI components, Maven repository tags, and the project's Jar files.
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</p>
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<table>
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<tr>
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<th>Component</th>
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<th>Application type</th>
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<th>Maven artifactId</th>
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</tr>
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<tr>
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<td><link href="./poifs/index.html">POIFS</link></td>
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<td>OLE2 Filesystem</td>
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<td>poi</td>
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</tr>
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<tr>
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<td><link href="./hpsf/index.html">HPSF</link></td>
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<td>OLE2 Property Sets</td>
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<td>poi</td>
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</tr>
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<tr>
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<td><link href="./spreadsheet/index.html">HSSF</link></td>
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<td>Excel XLS</td>
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<td>poi</td>
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</tr>
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<tr>
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<td><link href="./slideshow/index.html">HSLF</link></td>
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<td>PowerPoint PPT</td>
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<td>poi-scratchpad</td>
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</tr>
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<tr>
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<td><link href="./hwpf/index.html">HWPF</link></td>
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<td>Word DOC</td>
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<td>poi-scratchpad</td>
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</tr>
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<tr>
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<td><link href="./hdgf/index.html">HDGF</link></td>
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<td>Visio VSD</td>
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<td>poi-scratchpad</td>
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</tr>
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<tr>
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<td><link href="./hpbf/index.html">HPBF</link></td>
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<td>Publisher PUB</td>
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<td>poi-scratchpad</td>
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</tr>
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<tr>
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<td><link href="./hsmf/index.html">HSMF</link></td>
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<td>Outlook MSG</td>
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<td>poi-scratchpad</td>
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</tr>
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<tr>
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<td><link href="./spreadsheet/index.html">XSSF</link></td>
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<td>Excel XLSX</td>
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<td>poi-ooxml</td>
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</tr>
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<tr>
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<td><link href="./slideshow/index.html">XSLF</link></td>
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<td>PowerPoint PPTX</td>
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<td>poi-ooxml</td>
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</tr>
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<tr>
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<td><link href="./hwpf/index.html">XWPF</link></td>
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<td>Word DOCX</td>
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<td>poi-ooxml</td>
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</tr>
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<tr>
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<td><link href="./oxml4j/index.html">OpenXML4J</link></td>
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<td>OOXML</td>
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<td>poi-ooxml-schemas, ooxml-schemas</td>
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</tr>
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</table>
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<p>
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This table maps artifacts into the jar file name. "version-yyyymmdd" is the POI version stamp. For the latest release it is
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3.6-20091214.
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</p>
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<table>
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<tr>
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<th>Maven artifactId</th>
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<th>Prerequisites</th>
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<th>JAR</th>
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</tr>
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<tr>
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<td>poi</td>
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<td>commons-logging, log4j</td>
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<td>poi-version-yyyymmdd.jar</td>
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</tr>
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<tr>
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<td>poi-scratchpad</td>
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<td>poi</td>
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<td>poi-scratchpad-version-yyyymmdd.jar</td>
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</tr>
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<tr>
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<td>poi-ooxml</td>
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<td>poi, poi-ooxml-schemas, dom4j</td>
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<td>poi-ooxml-version-yyyymmdd.jar</td>
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</tr>
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<tr>
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<td>poi-ooxml-schemas (*)</td>
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<td>xmlbeans, geronimo-stax-api_1.0_spec</td>
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<td>poi-ooxml-schemas-version-yyyymmdd.jar</td>
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</tr>
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<tr>
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<td>poi-examples (*)</td>
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<td>poi, poi-scratchpad, poi-ooxml</td>
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<td>poi-examples-version-yyyymmdd.jar</td>
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</tr>
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<tr>
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<td>ooxml-schemas</td>
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<td>xmlbeans, geronimo-stax-api_1.0_spec</td>
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2010-06-14 11:20:19 -04:00
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<td>ooxml-schemas-1.1.jar</td>
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2009-11-19 16:22:21 -05:00
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</tr>
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</table>
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<p>
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(*) starting with 3.6-beta1-20091124.
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</p>
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<p>
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2010-06-14 11:20:19 -04:00
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poi-ooxml requires poi-ooxml-schemas. This is a substantially smaller
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version of the ooxml-schemas jar (ooxml-schemas-1.1.jar for POI 3.7 or later, ooxml-scheams-1.0.jar for POI 3.5 and 3.6).
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The larger ooxml-schemas jar is <link href="faq.html">normally</link>
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only required for development
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</p>
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</section>
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2009-11-19 16:22:21 -05:00
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<section><title>Examples</title>
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<p>
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Small sample programs using the POI API are available in the
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2005-01-25 15:08:18 -05:00
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<em>src/examples</em> directory of the source distribution. Before
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studying the source code you might want to have a look at the
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2009-11-19 16:22:21 -05:00
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"Examples" section of the <link href="apidocs/overview-summary.html">POI API
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documentation</link>.
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</p>
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2009-12-13 13:04:02 -05:00
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<p>
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Also note that we now include all of the examples in the distribution.
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</p>
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2005-01-25 15:08:18 -05:00
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</section>
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<section><title>Contributed Software</title>
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<p>
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Besides the "official" components outlined above there is some further
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software distributed with POI. This is called "contributed" software. It
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is not explicitly recommended or even maintained by the POI team, but
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it might still be useful to you.
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</p>
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<section><title>POI Browser</title>
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<p>
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The POI Browser is a very simple Swing GUI tool that displays the
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internal structure of a Microsoft Office file and especially the
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property set streams. Further information and instructions how to
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execute it can be found in the <link
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href="apidocs/org/apache/poi/contrib/poibrowser/package-summary.html#package_description">POI
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Browser package description</link>.
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</p>
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</section>
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</section>
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</body>
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<footer>
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<legal>
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Copyright (c) @year@ The Apache Software Foundation. All rights reserved.
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</legal>
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</footer>
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</document>
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