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apache / logging-log4j-site / c83555f00ebe8967fddd9bc20e8f01bbccf81ea2 / . / 2.x / javadoc / log4j-core / org / apache / logging / log4j / core / appender / WriterManager.html
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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.logging.log4j.core.appender</a></div>
<h1 title="Class WriterManager" class="title">Class WriterManager</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"><a href="AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">org.apache.logging.log4j.core.appender.AbstractManager</a>
<div class="inheritance">org.apache.logging.log4j.core.appender.WriterManager</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html" title="class or interface in java.lang" class="external-link">AutoCloseable</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">WriterManager</span>
<span class="extends-implements">extends <a href="AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></span></div>
<div class="block">Manages a Writer so that it can be shared by multiple Appenders and will
allow appenders to reconfigure without requiring a new writer.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<li>
<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="inherited-list">
<h2 id="nested-classes-inherited-from-class-org.apache.logging.log4j.core.appender.AbstractManager">Nested classes/interfaces inherited from class&nbsp;org.apache.logging.log4j.core.appender.<a href="AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></h2>
<code><a href="AbstractManager.AbstractFactoryData.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager.AbstractFactoryData</a></code></div>
</section>
</li>
<!-- =========== 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>protected final <a href="../StringLayout.html" title="interface in org.apache.logging.log4j.core">StringLayout</a></code></div>
<div class="col-second even-row-color"><code><a href="#layout" class="member-name-link">layout</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.logging.log4j.core.appender.AbstractManager">Fields inherited from class&nbsp;org.apache.logging.log4j.core.appender.<a href="AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></h3>
<code><a href="AbstractManager.html#count">count</a>, <a href="AbstractManager.html#LOGGER">LOGGER</a></code></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><a href="#%3Cinit%3E(java.io.Writer,java.lang.String,org.apache.logging.log4j.core.StringLayout,boolean)" class="member-name-link">WriterManager</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a>&nbsp;writer,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;streamName,
<a href="../StringLayout.html" title="interface in org.apache.logging.log4j.core">StringLayout</a>&nbsp;layout,
boolean&nbsp;writeHeader)</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-tab2 method-summary-table-tab4"><code>protected void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#closeWriter()" class="member-name-link">closeWriter</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="#flush()" class="member-name-link">flush</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Flushes any buffers.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static &lt;T&gt;&nbsp;<a href="WriterManager.html" title="class in org.apache.logging.log4j.core.appender">WriterManager</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getManager(java.lang.String,T,org.apache.logging.log4j.core.appender.ManagerFactory)" class="member-name-link">getManager</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
T&nbsp;data,
<a href="ManagerFactory.html" title="interface in org.apache.logging.log4j.core.appender">ManagerFactory</a>&lt;? extends <a href="WriterManager.html" title="class in org.apache.logging.log4j.core.appender">WriterManager</a>,<wbr>T&gt;&nbsp;factory)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Creates a Manager.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getWriter()" class="member-name-link">getWriter</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>boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isOpen()" class="member-name-link">isOpen</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the status of the stream.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#releaseSub(long,java.util.concurrent.TimeUnit)" class="member-name-link">releaseSub</a><wbr>(long&nbsp;timeout,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html" title="class or interface in java.util.concurrent" class="external-link">TimeUnit</a>&nbsp;timeUnit)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Default hook to write footer during close.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setWriter(java.io.Writer)" class="member-name-link">setWriter</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a>&nbsp;writer)</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>protected void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#write(java.lang.String)" class="member-name-link">write</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;str)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Some output streams synchronize writes while others do not.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#writeFooter()" class="member-name-link">writeFooter</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Writes the footer.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.logging.log4j.core.appender.AbstractManager">Methods inherited from class&nbsp;org.apache.logging.log4j.core.appender.<a href="AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></h3>
<code><a href="AbstractManager.html#close()">close</a>, <a href="AbstractManager.html#getContentFormat()">getContentFormat</a>, <a href="AbstractManager.html#getCount()">getCount</a>, <a href="AbstractManager.html#getLoggerContext()">getLoggerContext</a>, <a href="AbstractManager.html#getManager(java.lang.String,org.apache.logging.log4j.core.appender.ManagerFactory,T)">getManager</a>, <a href="AbstractManager.html#getName()">getName</a>, <a href="AbstractManager.html#getStrSubstitutor()">getStrSubstitutor</a>, <a href="AbstractManager.html#hasManager(java.lang.String)">hasManager</a>, <a href="AbstractManager.html#log(org.apache.logging.log4j.Level,java.lang.String,java.lang.Throwable)">log</a>, <a href="AbstractManager.html#logDebug(java.lang.String,java.lang.Throwable)">logDebug</a>, <a href="AbstractManager.html#logError(java.lang.String,java.lang.Throwable)">logError</a>, <a href="AbstractManager.html#logger()">logger</a>, <a href="AbstractManager.html#logWarn(java.lang.String,java.lang.Throwable)">logWarn</a>, <a href="AbstractManager.html#narrow(java.lang.Class,org.apache.logging.log4j.core.appender.AbstractManager)">narrow</a>, <a href="AbstractManager.html#release()">release</a>, <a href="AbstractManager.html#stop(long,java.util.concurrent.TimeUnit)">stop</a>, <a href="AbstractManager.html#updateData(java.lang.Object)">updateData</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/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/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/javase/8/docs/api/java/lang/Object.html#finalize--" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString--" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/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">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="layout">
<h3>layout</h3>
<div class="member-signature"><span class="modifiers">protected final</span>&nbsp;<span class="return-type"><a href="../StringLayout.html" title="interface in org.apache.logging.log4j.core">StringLayout</a></span>&nbsp;<span class="element-name">layout</span></div>
</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.Writer,java.lang.String,org.apache.logging.log4j.core.StringLayout,boolean)">
<h3>WriterManager</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">WriterManager</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a>&nbsp;writer,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;streamName,
<a href="../StringLayout.html" title="interface in org.apache.logging.log4j.core">StringLayout</a>&nbsp;layout,
boolean&nbsp;writeHeader)</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="getManager(java.lang.String,T,org.apache.logging.log4j.core.appender.ManagerFactory)">
<h3 id="getManager(java.lang.String,java.lang.Object,org.apache.logging.log4j.core.appender.ManagerFactory)">getManager</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="type-parameters">&lt;T&gt;</span>&nbsp;<span class="return-type"><a href="WriterManager.html" title="class in org.apache.logging.log4j.core.appender">WriterManager</a></span>&nbsp;<span class="element-name">getManager</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
T&nbsp;data,
<a href="ManagerFactory.html" title="interface in org.apache.logging.log4j.core.appender">ManagerFactory</a>&lt;? extends <a href="WriterManager.html" title="class in org.apache.logging.log4j.core.appender">WriterManager</a>,<wbr>T&gt;&nbsp;factory)</span></div>
<div class="block">Creates a Manager.</div>
<dl class="notes">
<dt>Type Parameters:</dt>
<dd><code>T</code> - The type of the WriterManager.</dd>
<dt>Parameters:</dt>
<dd><code>name</code> - The name of the stream to manage.</dd>
<dd><code>data</code> - The data to pass to the Manager.</dd>
<dd><code>factory</code> - The factory to use to create the Manager.</dd>
<dt>Returns:</dt>
<dd>A WriterManager.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="closeWriter()">
<h3>closeWriter</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">closeWriter</span>()</div>
</section>
</li>
<li>
<section class="detail" id="flush()">
<h3>flush</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">flush</span>()</div>
<div class="block">Flushes any buffers.</div>
</section>
</li>
<li>
<section class="detail" id="getWriter()">
<h3>getWriter</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a></span>&nbsp;<span class="element-name">getWriter</span>()</div>
</section>
</li>
<li>
<section class="detail" id="isOpen()">
<h3>isOpen</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isOpen</span>()</div>
<div class="block">Returns the status of the stream.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>true if the stream is open, false if it is not.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="releaseSub(long,java.util.concurrent.TimeUnit)">
<h3>releaseSub</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">releaseSub</span><wbr><span class="parameters">(long&nbsp;timeout,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html" title="class or interface in java.util.concurrent" class="external-link">TimeUnit</a>&nbsp;timeUnit)</span></div>
<div class="block">Default hook to write footer during close.</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="AbstractManager.html#releaseSub(long,java.util.concurrent.TimeUnit)">releaseSub</a></code>&nbsp;in class&nbsp;<code><a href="AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></code></dd>
<dt>Parameters:</dt>
<dd><code>timeout</code> - timeout</dd>
<dd><code>timeUnit</code> - timeout time unit</dd>
<dt>Returns:</dt>
<dd>true if all resources were closed normally, false otherwise.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="setWriter(java.io.Writer)">
<h3>setWriter</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setWriter</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/Writer.html" title="class or interface in java.io" class="external-link">Writer</a>&nbsp;writer)</span></div>
</section>
</li>
<li>
<section class="detail" id="write(java.lang.String)">
<h3>write</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">write</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;str)</span></div>
<div class="block">Some output streams synchronize writes while others do not. Synchronizing here insures that
log events won't be intertwined.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>str</code> - the string to write</dd>
<dt>Throws:</dt>
<dd><code><a href="AppenderLoggingException.html" title="class in org.apache.logging.log4j.core.appender">AppenderLoggingException</a></code> - if an error occurs.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="writeFooter()">
<h3>writeFooter</h3>
<div class="member-signature"><span class="modifiers">protected</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">writeFooter</span>()</div>
<div class="block">Writes the footer.</div>
</section>
</li>
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</section>
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