2003-04-23 20:53:41 -04:00
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V1.1//EN" "../dtd/document-v11.dtd">
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<document>
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<header>
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<title>Limitations</title>
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<authors>
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2003-07-18 08:19:28 -04:00
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<person email="poi-user@jakarta.apache.org" name="Glen Stampoultzis" id="GJS"/>
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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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<section><title>Version 1.5 limitations</title>
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<p>
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The intent of this document is to outline some of the known limitations of the
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POI HSSF API's. It is not intended to be complete list of every bug or missing
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feature of HSSF, rather it's purpose is to provide a broad feel for some of the
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functionality that is missing or broken.
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</p>
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<ul>
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<li>
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Charts<br/><br/>
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You can not currently create charts. This is planned for the 2.0 release. You can
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however create a chart in Excel, modify the chart data values using HSSF and write
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a new spreadsheet out. This is possible because POI attempts to keep existing records
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intact as far as possible.<br/><br/>
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</li>
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<li>
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Rich Text<br/><br/>
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HSSF does not support rich text cells. Rich text cells are
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cells that have multiple fonts and styles in the once cell. Any attempt to read
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a spreadsheet that has rich text cells will throw an exception. This feature may
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be supported in the future but it is not currently planned. Patches are welcome.<br/><br/>
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</li>
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<li>
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Outlines<br/><br/>
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It is not yet possible to create outlines. Reading a spreadsheet with outlines
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may work correctly but has not been tested. Write support for outlines may
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be added in the future but it is not currently planned. Patches are welcome.<br/><br/>
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</li>
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<li>
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Macros<br/><br/>
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Macros can not be created. The are currently no plans to support macros. Reading
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workbooks containing macros is supported but attempting to write those workbooks
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will fail. This is because macros are stored as extra file sytems within the
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compound document, and these are not currently kept when the file is rewritten.<br/><br/>
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</li>
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<li>
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Pivot Tables<br/><br/>
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Generating pivot tables is not supported. Reading spreadsheets containing pivot tables
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has not been tested.
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</li>
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</ul>
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</section>
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</body>
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</document>
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