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<title>LanguageDetectorFactory (Apache OpenNLP Tools 2.3.3 API)</title>
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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">opennlp.tools.langdetect</a></div>
<h1 title="Class LanguageDetectorFactory" class="title">Class LanguageDetectorFactory</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance"><a href="../util/BaseToolFactory.html" title="class in opennlp.tools.util">opennlp.tools.util.BaseToolFactory</a>
<div class="inheritance">opennlp.tools.langdetect.LanguageDetectorFactory</div>
</div>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">LanguageDetectorFactory</span>
<span class="extends-implements">extends <a href="../util/BaseToolFactory.html" title="class in opennlp.tools.util">BaseToolFactory</a></span></div>
<div class="block">Default factory used by <a href="LanguageDetector.html" title="interface in opennlp.tools.langdetect"><code>LanguageDetector</code></a>.
<p>
Extend this class to change the Language Detector behaviour,
such as the <a href="LanguageDetectorContextGenerator.html" title="interface in opennlp.tools.langdetect"><code>LanguageDetectorContextGenerator</code></a>.
The default <a href="DefaultLanguageDetectorContextGenerator.html" title="class in opennlp.tools.langdetect"><code>DefaultLanguageDetectorContextGenerator</code></a> will use char n-grams of
size 1 to 3 and the following normalizers:
<ul>
<li> <a href="../util/normalizer/EmojiCharSequenceNormalizer.html" title="class in opennlp.tools.util.normalizer"><code>EmojiCharSequenceNormalizer</code></a>
<li> <a href="../util/normalizer/UrlCharSequenceNormalizer.html" title="class in opennlp.tools.util.normalizer"><code>UrlCharSequenceNormalizer</code></a>
<li> <a href="../util/normalizer/TwitterCharSequenceNormalizer.html" title="class in opennlp.tools.util.normalizer"><code>TwitterCharSequenceNormalizer</code></a>
<li> <a href="../util/normalizer/NumberCharSequenceNormalizer.html" title="class in opennlp.tools.util.normalizer"><code>NumberCharSequenceNormalizer</code></a>
<li> <a href="../util/normalizer/ShrinkCharSequenceNormalizer.html" title="class in opennlp.tools.util.normalizer"><code>ShrinkCharSequenceNormalizer</code></a>
</ul></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">LanguageDetectorFactory</a>()</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="LanguageDetectorFactory.html" title="class in opennlp.tools.langdetect">LanguageDetectorFactory</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#create(java.lang.String)" class="member-name-link">create</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;subclassName)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Instantiates a <a href="LanguageDetectorFactory.html" title="class in opennlp.tools.langdetect"><code>LanguageDetectorFactory</code></a> via a given <code>subclassName</code>.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="LanguageDetectorContextGenerator.html" title="interface in opennlp.tools.langdetect">LanguageDetectorContextGenerator</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getContextGenerator()" class="member-name-link">getContextGenerator</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#init()" class="member-name-link">init</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#validateArtifactMap()" class="member-name-link">validateArtifactMap</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Validates the parsed artifacts.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-opennlp.tools.util.BaseToolFactory">Methods inherited from class&nbsp;opennlp.tools.util.<a href="../util/BaseToolFactory.html" title="class in opennlp.tools.util">BaseToolFactory</a></h3>
<code><a href="../util/BaseToolFactory.html#create(java.lang.Class,opennlp.tools.util.model.ArtifactProvider)">create</a>, <a href="../util/BaseToolFactory.html#create(java.lang.String,opennlp.tools.util.model.ArtifactProvider)">create</a>, <a href="../util/BaseToolFactory.html#createArtifactMap()">createArtifactMap</a>, <a href="../util/BaseToolFactory.html#createArtifactSerializersMap()">createArtifactSerializersMap</a>, <a href="../util/BaseToolFactory.html#createManifestEntries()">createManifestEntries</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;()">
<h3>LanguageDetectorFactory</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">LanguageDetectorFactory</span>()</div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="getContextGenerator()">
<h3>getContextGenerator</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="LanguageDetectorContextGenerator.html" title="interface in opennlp.tools.langdetect">LanguageDetectorContextGenerator</a></span>&nbsp;<span class="element-name">getContextGenerator</span>()</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>Retrieves a <a href="LanguageDetectorContextGenerator.html" title="interface in opennlp.tools.langdetect"><code>LanguageDetectorContextGenerator</code></a>.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="create(java.lang.String)">
<h3>create</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="LanguageDetectorFactory.html" title="class in opennlp.tools.langdetect">LanguageDetectorFactory</a></span>&nbsp;<span class="element-name">create</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;subclassName)</span>
throws <span class="exceptions"><a href="../util/InvalidFormatException.html" title="class in opennlp.tools.util">InvalidFormatException</a></span></div>
<div class="block">Instantiates a <a href="LanguageDetectorFactory.html" title="class in opennlp.tools.langdetect"><code>LanguageDetectorFactory</code></a> via a given <code>subclassName</code>.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>subclassName</code> - The class name used for instantiation. If <code>null</code>, an
instance of <a href="LanguageDetectorFactory.html" title="class in opennlp.tools.langdetect"><code>LanguageDetectorFactory</code></a> will be returned
per default. Otherwise, the <a href="../util/ext/ExtensionLoader.html" title="class in opennlp.tools.util.ext"><code>ExtensionLoader</code></a> mechanism
is applied to load the requested <code>subclassName</code>.</dd>
<dt>Returns:</dt>
<dd>A valid <a href="LanguageDetectorFactory.html" title="class in opennlp.tools.langdetect"><code>LanguageDetectorFactory</code></a> instance.</dd>
<dt>Throws:</dt>
<dd><code><a href="../util/InvalidFormatException.html" title="class in opennlp.tools.util">InvalidFormatException</a></code> - Thrown if the <a href="../util/ext/ExtensionLoader.html" title="class in opennlp.tools.util.ext"><code>ExtensionLoader</code></a> mechanism failed to
create the factory associated with <code>subclassName</code>.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="init()">
<h3>init</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">init</span>()</div>
</section>
</li>
<li>
<section class="detail" id="validateArtifactMap()">
<h3>validateArtifactMap</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">validateArtifactMap</span>()
throws <span class="exceptions"><a href="../util/InvalidFormatException.html" title="class in opennlp.tools.util">InvalidFormatException</a></span></div>
<div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="../util/BaseToolFactory.html#validateArtifactMap()">BaseToolFactory</a></code></span></div>
<div class="block">Validates the parsed artifacts.
<p>
Note:
Subclasses should generally invoke <code>super.validateArtifactMap</code> at the beginning
of this method.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../util/BaseToolFactory.html#validateArtifactMap()">validateArtifactMap</a></code>&nbsp;in class&nbsp;<code><a href="../util/BaseToolFactory.html" title="class in opennlp.tools.util">BaseToolFactory</a></code></dd>
<dt>Throws:</dt>
<dd><code><a href="../util/InvalidFormatException.html" title="class in opennlp.tools.util">InvalidFormatException</a></code> - Thrown if validation found invalid states.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
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