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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.rat.analysis</a></div>
<h1 title="Class HeaderCheckWorker" class="title">Class HeaderCheckWorker</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">org.apache.rat.analysis.HeaderCheckWorker</div>
</div>
<section class="description">
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">HeaderCheckWorker</span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
<div class="block">Reads from a stream to check license.
<p>
<strong>Note</strong> that this class is not thread safe.
</p></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- =========== FIELD SUMMARY =========== -->
<li>
<section class="field-summary" id="field.summary">
<h2>Field Summary</h2>
<div class="caption"><span>Fields</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Field</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static int</code></div>
<div class="col-second even-row-color"><code><span class="member-name-link"><a href="#DEFAULT_NUMBER_OF_RETAINED_HEADER_LINES">DEFAULT_NUMBER_OF_RETAINED_HEADER_LINES</a></span></code></div>
<div class="col-last even-row-color">
<div class="block">The default number of header lines to read while looking for the license
information.</div>
</div>
</div>
</section>
</li>
<!-- ======== 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><span class="member-name-link"><a href="#%3Cinit%3E(java.io.Reader,int,java.util.Collection,org.apache.rat.api.Document)">HeaderCheckWorker</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Reader.html" title="class or interface in java.io" class="external-link">Reader</a>&nbsp;reader,
int&nbsp;numberOfRetainedHeaderLine,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a>&lt;<a href="../license/ILicense.html" title="interface in org.apache.rat.license">ILicense</a>&gt;&nbsp;licenses,
<a href="../api/Document.html" title="interface in org.apache.rat.api">Document</a>&nbsp;document)</code></div>
<div class="col-last even-row-color">
<div class="block">Constructs a check worker for the license against the specified document.</div>
</div>
<div class="col-constructor-name odd-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E(java.io.Reader,java.util.Collection,org.apache.rat.api.Document)">HeaderCheckWorker</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Reader.html" title="class or interface in java.io" class="external-link">Reader</a>&nbsp;reader,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a>&lt;<a href="../license/ILicense.html" title="interface in org.apache.rat.license">ILicense</a>&gt;&nbsp;licenses,
<a href="../api/Document.html" title="interface in org.apache.rat.api">Document</a>&nbsp;name)</code></div>
<div class="col-last odd-row-color">
<div class="block">Convenience constructor wraps given <code>Reader</code> in a
<code>BufferedReader</code>.</div>
</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method.summary">
<h2>Method Summary</h2>
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<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-tab2 method-summary-table-tab4 method-summary-table"><code>void</code></div>
<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#read()">read</a></span>()</code></div>
<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
<div class="block">Read the input and perform the header check.</div>
</div>
<div class="col-first odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code>static <a href="IHeaders.html" title="interface in org.apache.rat.analysis">IHeaders</a></code></div>
<div class="col-second odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#readHeader(java.io.BufferedReader,int)">readHeader</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/BufferedReader.html" title="class or interface in java.io" class="external-link">BufferedReader</a>&nbsp;reader,
int&nbsp;numberOfLines)</code></div>
<div class="col-last odd-row-color method-summary-table-tab1 method-summary-table-tab4 method-summary-table">
<div class="block">Read the input and perform the header check.</div>
</div>
</div>
</div>
</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/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
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</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field.detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="DEFAULT_NUMBER_OF_RETAINED_HEADER_LINES">
<h3>DEFAULT_NUMBER_OF_RETAINED_HEADER_LINES</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">DEFAULT_NUMBER_OF_RETAINED_HEADER_LINES</span></div>
<div class="block">The default number of header lines to read while looking for the license
information.</div>
<dl class="notes">
<dt>See Also:</dt>
<dd><a href="../../../../constant-values.html#org.apache.rat.analysis.HeaderCheckWorker.DEFAULT_NUMBER_OF_RETAINED_HEADER_LINES">Constant Field Values</a></dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
<!-- ========= 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;(java.io.Reader,java.util.Collection,org.apache.rat.api.Document)">
<h3>HeaderCheckWorker</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">HeaderCheckWorker</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Reader.html" title="class or interface in java.io" class="external-link">Reader</a>&nbsp;reader,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a>&lt;<a href="../license/ILicense.html" title="interface in org.apache.rat.license">ILicense</a>&gt;&nbsp;licenses,
<a href="../api/Document.html" title="interface in org.apache.rat.api">Document</a>&nbsp;name)</span></div>
<div class="block">Convenience constructor wraps given <code>Reader</code> in a
<code>BufferedReader</code>.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>reader</code> - The reader on the document. not null.</dd>
<dd><code>licenses</code> - The licenses to check against. not null.</dd>
<dd><code>name</code> - The document that is being checked. possibly null</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(java.io.Reader,int,java.util.Collection,org.apache.rat.api.Document)">
<h3>HeaderCheckWorker</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">HeaderCheckWorker</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Reader.html" title="class or interface in java.io" class="external-link">Reader</a>&nbsp;reader,
int&nbsp;numberOfRetainedHeaderLine,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html" title="class or interface in java.util" class="external-link">Collection</a>&lt;<a href="../license/ILicense.html" title="interface in org.apache.rat.license">ILicense</a>&gt;&nbsp;licenses,
<a href="../api/Document.html" title="interface in org.apache.rat.api">Document</a>&nbsp;document)</span></div>
<div class="block">Constructs a check worker for the license against the specified document.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>reader</code> - The reader on the document. not null.</dd>
<dd><code>numberOfRetainedHeaderLine</code> - the maximum number of lines to read to find
the license information.</dd>
<dd><code>licenses</code> - The licenses to check against. not null.</dd>
<dd><code>document</code> - The document that is being checked. possibly null</dd>
</dl>
</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="readHeader(java.io.BufferedReader,int)">
<h3>readHeader</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="IHeaders.html" title="interface in org.apache.rat.analysis">IHeaders</a></span>&nbsp;<span class="element-name">readHeader</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/BufferedReader.html" title="class or interface in java.io" class="external-link">BufferedReader</a>&nbsp;reader,
int&nbsp;numberOfLines)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Read the input and perform the header check.
The number of lines indicates how many lines from the top of the file will be read for processing</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>reader</code> - The reader for the document.</dd>
<dd><code>numberOfLines</code> - the number of lines to read from the header.</dd>
<dt>Returns:</dt>
<dd>The IHeaders instance for the header.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on input failure</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="read()">
<h3>read</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">read</span>()
throws <span class="exceptions"><a href="RatHeaderAnalysisException.html" title="class in org.apache.rat.analysis">RatHeaderAnalysisException</a></span></div>
<div class="block">Read the input and perform the header check.</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="RatHeaderAnalysisException.html" title="class in org.apache.rat.analysis">RatHeaderAnalysisException</a></code> - on IO Exception.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
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