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<h1>POI-HWPF - A Quick Guide</h1>
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<h3>Overview</h3>
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<div id="front-matter"></div>
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<p>HWPF is still in early development. It is in the <a href="https://github.com/apache/poi/tree/trunk/poi-scratchpad/">
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scratchpad section of the SVN.</a> You will need to ensure you
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either have a recent SVN checkout, or a recent SVN nightly build
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(including the scratchpad jar!)</p>
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<a name="Basic+Text+Extraction"></a>
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<h2 class="boxed">Basic Text Extraction</h2>
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<div class="section">
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<p>For basic text extraction, make use of
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<span class="codefrag">org.apache.poi.hwpf.extractor.WordExtractor</span>. It accepts an input
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stream or a <span class="codefrag">HWPFDocument</span>. The <span class="codefrag">getText()</span>
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method can be used to
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get the text from all the paragraphs, or <span class="codefrag">getParagraphText()</span>
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can be used to fetch the text from each paragraph in turn. The other
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option is <span class="codefrag">getTextFromPieces()</span>, which is very fast, but
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tends to return things that aren't text from the page. YMMV.
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</p>
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</div>
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<a name="Specific+Text+Extraction"></a>
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<h2 class="boxed">Specific Text Extraction</h2>
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<div class="section">
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<p>To get specific bits of text, first create a
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<span class="codefrag">org.apache.poi.hwpf.HWPFDocument</span>. Fetch the range
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with <span class="codefrag">getRange()</span>, then get paragraphs from that. You
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can then get text and other properties.
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</p>
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</div>
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<a name="Headers+and+Footers"></a>
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<h2 class="boxed">Headers and Footers</h2>
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<div class="section">
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<p>To get at the headers and footers of a word document, first create a
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<span class="codefrag">org.apache.poi.hwpf.HWPFDocument</span>. Next, you need to create a
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<span class="codefrag">org.apache.poi.hwpf.usermodel.HeaderStores</span>, passing it your
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HWPFDocument. Finally, the HeaderStores gives you access to the headers and
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footers, including first / even / odd page ones if defined in your
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document. Additionally, HeaderStores provides a method for removing
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any macros in the text, which is helpful as many headers and footers
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do end up with macros in them.</p>
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</div>
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<a name="Changing+Text"></a>
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<h2 class="boxed">Changing Text</h2>
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<div class="section">
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<p>It is possible to change the text via
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<span class="codefrag">insertBefore()</span> and <span class="codefrag">insertAfter()</span>
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on a <span class="codefrag">Range</span> object (either a <span class="codefrag">Range</span>,
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<span class="codefrag">Paragraph</span> or <span class="codefrag">CharacterRun</span>).
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It is also possible to delete a <span class="codefrag">Range</span>.
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This code will work in many, but not all cases, and patches to
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improve it are gratefully received!
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</p>
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</div>
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<a name="Further+Examples"></a>
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<h2 class="boxed">Further Examples</h2>
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<div class="section">
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<p>For now, the best source of additional examples is in the unit
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tests. <a href="https://github.com/apache/poi/tree/trunk/poi-scratchpad/src/test/java/org/apache/poi/hwpf/">
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Browse the HWPF unit tests.</a>
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</p>
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</div>
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<p align="right">
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<font size="-2">by Nick Burch</font>
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</p>
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</div>
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