mirror of
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424 lines
19 KiB
XML
424 lines
19 KiB
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<?xml version="1.0" encoding="UTF-8"?>
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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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<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN" "document-v20.dtd">
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<document>
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<header>
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<title>Apache POI™ - Component Overview</title>
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<authors>
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<person id="AO" name="Andrew C. Oliver" email="acoliver@apache.org"/>
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<person id="RK" name="Rainer Klute" email="klute@apache.org"/>
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<person id="DF" name="David Fisher" email="dfisher@jmlafferty.com"/>
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</authors>
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</header>
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<body>
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<section><title>Apache POI Project Components</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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<a href="https://ecma-international.org/publications-and-standards/standards/ecma-376/">ECMA-376 standard is here</a>,
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and is also under the
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<a href="https://msdn.microsoft.com/en-us/openspecifications/default">Microsoft OSP</a>.
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</p>
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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 POI. 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 for the binary (non-XML)
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Microsoft Office formats ultimately rely on it by
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definition. Please see <a href="./poifs/index.html">the POIFS project page</a> 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 (-2003) 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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<a href="site:spreadsheet">the HSSF+XSSF project page</a> 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 <a href="site:document">the HWPF project page for more
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information</a>. 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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OOXML specification. This provides read and write support for simpler
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files, along with text extraction capabilities.
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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 <a
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href="site:slideshow">the HSLF project page for more
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information</a>.
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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 <a href="./hpsf/index.html">the HPSF project
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page</a> for more information.
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</p>
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</section>
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<section><title>HDGF and XDGF for Visio Documents</title>
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<p>
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HDGF is our port of the Microsoft Visio 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 <a
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href="./diagram/index.html">the HDGF / Diagram project page for more
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information</a>.
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</p>
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<p>
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XDGF is our port of the Microsoft Visio XML (.vsdx) file format to pure
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Java. It has slightly more support than HDGF. Please see <a
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href="./diagram/index.html">the XDGF / Diagram project page for more
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information</a>.
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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 <a
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href="./hpbf/index.html">the HPBF project page for more
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information</a>.
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</p>
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</section>
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<section><title>HMEF for TNEF (winmail.dat) Outlook Attachments</title>
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<p>
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HMEF is our port of the Microsoft TNEF (Transport Neutral Encoding
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Format) file format to pure Java. TNEF is sometimes used by Outlook
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for encoding the message, and will typically come through as
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winmail.dat. HMEF currently only supports reading at a low level, but
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we hope to add text and attachment extraction. Please see <a
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href="./hmef/index.html">the HMEF project page for more
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information</a>.
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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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For now, users are advised to consult the unit tests for example use.
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Please see <a href="./hsmf/index.html">the HSMF project page for more
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information</a>.
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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 implementing this API an easier task.
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</p>
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</section>
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</section>
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<section id="components"><title>Component Map</title>
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<p>
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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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<th>Notes</th>
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</tr>
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<tr>
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<td><a href="./poifs/index.html">POIFS</a></td>
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<td>OLE2 Filesystem</td>
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<td><em>poi</em></td>
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<td>Required to work with OLE2 / POIFS based files</td>
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</tr>
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<tr>
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<td><a href="./hpsf/index.html">HPSF</a></td>
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<td>OLE2 Property Sets</td>
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<td><em>poi</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="site:spreadsheet">HSSF</a></td>
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<td>Excel XLS</td>
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<td><em>poi</em></td>
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<td>For HSSF only, if common SS is needed see below</td>
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</tr>
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<tr>
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<td><a href="site:slideshow">HSLF</a></td>
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<td>PowerPoint PPT</td>
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<td><em>poi-scratchpad</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="site:document">HWPF</a></td>
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<td>Word DOC</td>
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<td><em>poi-scratchpad</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="./diagram/index.html">HDGF</a></td>
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<td>Visio VSD</td>
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<td><em>poi-scratchpad</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="./hpbf/index.html">HPBF</a></td>
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<td>Publisher PUB</td>
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<td><em>poi-scratchpad</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="./hsmf/index.html">HSMF</a></td>
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<td>Outlook MSG</td>
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<td><em>poi-scratchpad</em></td>
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<td> </td>
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</tr>
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<tr>
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<td>DDF</td>
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<td>Escher common drawings</td>
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<td><em>poi</em></td>
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<td> </td>
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</tr>
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<tr>
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<td>HWMF</td>
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<td>WMF drawings</td>
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<td><em>poi-scratchpad</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="./oxml4j/index.html">OpenXML4J</a></td>
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<td>OOXML</td>
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<td><em>poi-ooxml</em> plus either <em>poi-ooxml-lite</em> or<br/>
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<em>poi-ooxml-full</em></td>
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<td>See notes below for differences between these options</td>
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</tr>
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<tr>
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<td><a href="site:spreadsheet">XSSF</a></td>
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<td>Excel XLSX</td>
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<td><em>poi-ooxml</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="site:slideshow">XSLF</a></td>
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<td>PowerPoint PPTX</td>
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<td><em>poi-ooxml</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="site:document">XWPF</a></td>
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<td>Word DOCX</td>
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<td><em>poi-ooxml</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="./diagram/index.html">XDGF</a></td>
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<td>Visio VSDX</td>
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<td><em>poi-ooxml</em></td>
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<td> </td>
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</tr>
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<tr>
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<td><a href="./slideshow/index.html">Common SL</a></td>
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<td>PowerPoint PPT and PPTX</td>
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<td><em>poi-scratchpad</em> and <em>poi-ooxml</em></td>
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<td>SL code is in the core POI jar, but implementations are in poi-scratchpad
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and poi-ooxml.</td>
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</tr>
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<tr>
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<td><a href="site:spreadsheet">Common SS</a></td>
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<td>Excel XLS and XLSX</td>
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<td><em>poi-ooxml</em></td>
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<td>WorkbookFactory and friends all require poi-ooxml, not just core poi</td>
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</tr>
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</table>
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<p><br /></p>
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<p>
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This table maps artifacts into the jar file name. "version-yyyymmdd" is
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the POI version stamp. You can see what the latest stamp is on the
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<a href="site:download">downloads page</a>.
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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><a href="https://search.maven.org/#artifactdetails|org.apache.logging.log4j|log4j-api|2.24.3|jar">log4j 2.x</a>,
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<a href="https://search.maven.org/#artifactdetails|commons-codec|commons-codec|1.17.1|jar">commons-codec</a>,
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<a href="https://search.maven.org/#artifactdetails|org.apache.commons|commons-collections4|4.4|jar">commons-collections</a>,
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<a href="https://search.maven.org/#artifactdetails|org.apache.commons|commons-math3|3.6.1|jar">commons-math3</a>
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<a href="https://search.maven.org/#artifactdetails|commons-io|commons-io|2.19.0|jar">commons-io</a>
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</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><a href="https://search.maven.org/#search|gav|1|g:org.apache.poi AND a:poi">poi</a></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><a href="https://search.maven.org/#search|gav|1|g:org.apache.poi AND a:poi">poi</a>,
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<a href="https://search.maven.org/#search|gav|1|g:org.apache.poi AND a:poi-ooxml-lite">poi-ooxml-lite</a>,
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<a href="https://search.maven.org/#artifactdetails|org.apache.commons|commons-compress|1.23.0|jar">commons-compress</a>,
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<a href="https://search.maven.org/#artifactdetails|com.zaxxer|SparseBitSet|1.2|jar">SparseBitSet</a><br/>
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For SVG support:
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<a href="https://search.maven.org/#search|gav|1|g:org.apache.xmlgraphics AND a:batik-all">batik-all</a>,
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<a href="https://search.maven.org/#search|gav|1|g:xml-apis AND a:xml-apis-ext">xml-apis-ext</a>,
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<a href="https://search.maven.org/#search|gav|1|g:org.apache.xmlgraphics AND a:xmlgraphics-commons">xmlgraphics-commons</a><br/>
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For PDF support:
|
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<a href="https://search.maven.org/#search|gav|1|g:org.apache.pdfbox AND a:pdfbox">pdfbox</a>,
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<a href="https://search.maven.org/#search|gav|1|g:org.apache.pdfbox AND a:fontbox">fontbox</a>,
|
||
|
|
<a href="https://search.maven.org/#search|gav|1|g:de.rototor.pdfbox AND a:graphics2d">rototor graphics2d</a>
|
||
|
|
</td>
|
||
|
|
<td>poi-ooxml-version-yyyymmdd.jar</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>poi-ooxml-lite</td>
|
||
|
|
<td><a href="https://search.maven.org/#artifactdetails|org.apache.xmlbeans|xmlbeans|5.3.0|jar">xmlbeans</a></td>
|
||
|
|
<td>poi-ooxml-lite-version-yyyymmdd.jar</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>poi-examples</td>
|
||
|
|
<td><a href="https://search.maven.org/#search|gav|1|g:org.apache.poi AND a:poi">poi</a>,
|
||
|
|
<a href="https://search.maven.org/#search|gav|1|g:org.apache.poi AND a:poi-scratchpad">poi-scratchpad</a>,
|
||
|
|
<a href="https://search.maven.org/#search|gav|1|g:org.apache.poi AND a:poi-ooxml">poi-ooxml</a>
|
||
|
|
</td>
|
||
|
|
<td>poi-examples-version-yyyymmdd.jar</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>poi-ooxml-full (known as ooxml-schemas)</td>
|
||
|
|
<td><a href="https://search.maven.org/#artifactdetails|org.apache.xmlbeans|xmlbeans|5.3.0|jar">xmlbeans</a><br/>
|
||
|
|
For signing:
|
||
|
|
<a href="https://search.maven.org/#artifactdetails|org.bouncycastle|bcpkix-jdk18on|1.81|jar">bcpkix-jdk18on</a>,
|
||
|
|
<a href="https://search.maven.org/#artifactdetails|org.bouncycastle|bcutil-jdk18on|1.81|jar">bcprov-jdk18on</a>,
|
||
|
|
<a href="https://search.maven.org/#artifactdetails|org.apache.santuario|xmlsec|3.0.6|bundle">xmlsec</a>,
|
||
|
|
<a href="https://search.maven.org/#artifactdetails|org.slf4j|slf4j-api|2.0.17|jar">slf4j-api</a>
|
||
|
|
</td>
|
||
|
|
<td>poi-ooxml-full-version-yyyymmdd.jar</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
<p> </p>
|
||
|
|
<note>
|
||
|
|
Apache commons-math3 and commons-compress were added as a dependency in POI 4.0.0.<br/>
|
||
|
|
Zaxxer SparseBitSet was added as a dependency in POI 4.1.2<br/>
|
||
|
|
Apache commons-io was added as a dependency in POI 5.1.0
|
||
|
|
</note>
|
||
|
|
<p>
|
||
|
|
poi-ooxml requires poi-ooxml-lite. This is a substantially smaller
|
||
|
|
version of the poi-ooxml-full jar (ooxml-schemas-1.4.jar for POI 4.0.0,
|
||
|
|
ooxml-schemas-1.3.jar for POI 3.14 or to POI 3.17,
|
||
|
|
ooxml-schemas-1.1.jar for POI 3.7 up to POI 3.13, ooxml-schemas-1.0.jar
|
||
|
|
for POI 3.5 and 3.6).
|
||
|
|
The larger poi-ooxml-full (formerly, ooxml-schemas) jar is <a href="../help/index.html#faq-N10025">normally</a>
|
||
|
|
only required for features that are not fully implemented in poi-ooxml.
|
||
|
|
There used to also be an ooxml-security jar, which contained
|
||
|
|
all of the classes relating to encryption and signing. POI 5 no longer needs this jar.
|
||
|
|
The equivalent classes are now in poi-ooxml-full and poi-ooxml-lite.
|
||
|
|
This JAR was ooxml-security-1.1.jar for POI 3.14 and POI 4. ooxml-security-1.0.jar
|
||
|
|
was used prior to that.
|
||
|
|
</p>
|
||
|
|
<p>
|
||
|
|
The OOXML jars require a stax implementation, but now that Apache
|
||
|
|
POI requires Java 8, that dependency is provided by the JRE and no additional
|
||
|
|
stax jars are required. The OOXML jars used to require DOM4J, but
|
||
|
|
the code has now been changed to use JAXP and no additional dom4j
|
||
|
|
jars are required. By the way, look at this <a href="../help/index.html#faq-N1017E">FAQ</a>
|
||
|
|
if you have problems when using a non-Oracle JDK.
|
||
|
|
</p>
|
||
|
|
<p>
|
||
|
|
The ooxml schemas jars are compiled with <a href="https://xmlbeans.apache.org/">Apache XMLBeans</a>.
|
||
|
|
It is recommended that you use the XMLBeans version that was used to build the POI OOXML schemas.
|
||
|
|
It may be possible to use newer XMLBeans jars but there are no guarantees, especially if the XMLBeans version
|
||
|
|
numbers differ a lot.
|
||
|
|
</p>
|
||
|
|
</section>
|
||
|
|
<section><title>Examples</title>
|
||
|
|
<p>
|
||
|
|
Small sample programs using the POI API are available in the
|
||
|
|
<a href="https://svn.apache.org/repos/asf/poi/trunk/poi-examples/src/main/java/org/apache/poi/examples">src/examples</a>
|
||
|
|
(<a href="https://svn.apache.org/viewvc/poi/trunk/poi-examples/src/main/java/org/apache/poi/examples">viewvc</a>) directory of the source distribution.
|
||
|
|
</p>
|
||
|
|
<p>
|
||
|
|
All of the examples are included in POI distributions as a poi-examples artifact.
|
||
|
|
</p>
|
||
|
|
</section>
|
||
|
|
<section><title>Running POI on other JVM languages</title>
|
||
|
|
<p>
|
||
|
|
POI can be run on most languages that run on the JVM. For code examples,
|
||
|
|
see <a href="poi-jvm-languages.html">Running POI on other JVM languages</a>
|
||
|
|
</p>
|
||
|
|
</section>
|
||
|
|
<section><title>Contributed Software</title>
|
||
|
|
<p>
|
||
|
|
Besides the "official" components outlined above there is some further
|
||
|
|
software distributed with POI. This is called "contributed" software. It
|
||
|
|
is not explicitly recommended or even maintained by the POI team, but
|
||
|
|
it might still be useful to you.
|
||
|
|
</p>
|
||
|
|
<p>
|
||
|
|
See <a href="poi-ruby.html">POI Ruby Bindings</a> and other code in the
|
||
|
|
<a
|
||
|
|
href="https://svn.apache.org/repos/asf/poi/trunk/src/contrib/">poi-contrib module</a>
|
||
|
|
</p>
|
||
|
|
</section>
|
||
|
|
</body>
|
||
|
|
<footer>
|
||
|
|
<legal>
|
||
|
|
Copyright (c) @year@ The Apache Software Foundation. All rights reserved.
|
||
|
|
<br />
|
||
|
|
Apache POI, POI, Apache, the Apache feather logo, and the Apache
|
||
|
|
POI project logo are trademarks of The Apache Software Foundation.
|
||
|
|
</legal>
|
||
|
|
</footer>
|
||
|
|
</document>
|