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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.log4j.spi</a></div>
<h2 title="Class LoggingEventFieldResolver" class="title">Class LoggingEventFieldResolver</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a></li>
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<li>org.apache.log4j.spi.LoggingEventFieldResolver</li>
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<pre>public final class <span class="typeNameLabel">LoggingEventFieldResolver</span>
extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre>
<div class="block">A singleton helper utility which accepts a field name
and a LoggingEvent and returns the value of that field.
This class defines a grammar used in creation of an expression-based Rule.
The only available method is
Object getField(String fieldName, LoggingEvent event).
Here is a description of the mapping of field names in the grammar
to fields on the logging event. While the getField method returns an Object,
the individual types returned per field are described here:
Field Name Field value (String representation Return type
LOGGER category name (logger) String
LEVEL level Level
CLASS locationInformation's class name String
FILE locationInformation's file name String
LINE locationInformation's line number String
METHOD locationInformation's method name String
MSG message Object
NDC NDC String
EXCEPTION throwable string representation ThrowableInformation
TIMESTAMP timestamp Long
THREAD thread String
PROP.keyName entry in the Property hashtable String
mapped to the key [keyName]
NOTE: the values for the 'keyName' portion of the MDC and PROP mappings must
be an exact match to the key in the hashTable (case sensitive).
If the passed-in field is null or doesn't match an entry
in the above-described mapping, an exception is thrown.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Scott Deboy (sdeboy@apache.org), Paul Smith (psmith@apache.org)</dd>
</dl>
</li>
</ul>
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<div class="summary">
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<h3>Field Summary</h3>
<table class="memberSummary">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CLASS_FIELD">CLASS_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">CLASS string literal.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#EMPTY_STRING">EMPTY_STRING</a></span></code></th>
<td class="colLast">
<div class="block">empty string literal.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#EXCEPTION_FIELD">EXCEPTION_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">EXCEPTION string literal.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#FILE_FIELD">FILE_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">FILE string literal.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#KEYWORD_LIST">KEYWORD_LIST</a></span></code></th>
<td class="colLast">
<div class="block">Keyword list.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#LEVEL_FIELD">LEVEL_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">LEVEL string literal.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#LINE_FIELD">LINE_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">LINE string literal.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#LOGGER_FIELD">LOGGER_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">LOGGER string literal.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#METHOD_FIELD">METHOD_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">METHOD string literal.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#MSG_FIELD">MSG_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">MSG string literal.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#NDC_FIELD">NDC_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">NDC string literal.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PROP_FIELD">PROP_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">PROP.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#THREAD_FIELD">THREAD_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">THREAD string literal.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TIMESTAMP_FIELD">TIMESTAMP_FIELD</a></span></code></th>
<td class="colLast">
<div class="block">TIMESTAMP string literal.</div>
</td>
</tr>
</table>
</li>
</ul>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#applyFields(java.lang.String,org.apache.log4j.chainsaw.logevents.ChainsawLoggingEvent)">applyFields</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;replaceText,
<a href="../chainsaw/logevents/ChainsawLoggingEvent.html" title="class in org.apache.log4j.chainsaw.logevents">ChainsawLoggingEvent</a>&nbsp;event)</code></th>
<td class="colLast">
<div class="block">Apply fields.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="LoggingEventFieldResolver.html" title="class in org.apache.log4j.spi">LoggingEventFieldResolver</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInstance()">getInstance</a></span>()</code></th>
<td class="colLast">
<div class="block">Get singleton instance.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValue(java.lang.String,org.apache.log4j.chainsaw.logevents.ChainsawLoggingEvent)">getValue</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;fieldName,
<a href="../chainsaw/logevents/ChainsawLoggingEvent.html" title="class in org.apache.log4j.chainsaw.logevents">ChainsawLoggingEvent</a>&nbsp;event)</code></th>
<td class="colLast">
<div class="block">Get value of field.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isField(java.lang.String)">isField</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;fieldName)</code></th>
<td class="colLast">
<div class="block">Determines if specified string is a recognized field.</div>
</td>
</tr>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<div class="details">
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<!-- ============ FIELD DETAIL =========== -->
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<h3>Field Detail</h3>
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<h4>KEYWORD_LIST</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a> KEYWORD_LIST</pre>
<div class="block">Keyword list.</div>
</li>
</ul>
<a id="LOGGER_FIELD">
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<h4>LOGGER_FIELD</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> LOGGER_FIELD</pre>
<div class="block">LOGGER string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.LOGGER_FIELD">Constant Field Values</a></dd>
</dl>
</li>
</ul>
<a id="LEVEL_FIELD">
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<h4>LEVEL_FIELD</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> LEVEL_FIELD</pre>
<div class="block">LEVEL string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.LEVEL_FIELD">Constant Field Values</a></dd>
</dl>
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<a id="CLASS_FIELD">
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<h4>CLASS_FIELD</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> CLASS_FIELD</pre>
<div class="block">CLASS string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.CLASS_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> FILE_FIELD</pre>
<div class="block">FILE string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.FILE_FIELD">Constant Field Values</a></dd>
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</li>
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<a id="LINE_FIELD">
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<h4>LINE_FIELD</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> LINE_FIELD</pre>
<div class="block">LINE string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.LINE_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> METHOD_FIELD</pre>
<div class="block">METHOD string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.METHOD_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> MSG_FIELD</pre>
<div class="block">MSG string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.MSG_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> NDC_FIELD</pre>
<div class="block">NDC string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.NDC_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> EXCEPTION_FIELD</pre>
<div class="block">EXCEPTION string literal.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.EXCEPTION_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> TIMESTAMP_FIELD</pre>
<div class="block">TIMESTAMP string literal.</div>
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<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.TIMESTAMP_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> THREAD_FIELD</pre>
<div class="block">THREAD string literal.</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.THREAD_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> PROP_FIELD</pre>
<div class="block">PROP. string literal.</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.log4j.spi.LoggingEventFieldResolver.PROP_FIELD">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> EMPTY_STRING</pre>
<div class="block">empty string literal.</div>
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<dt><span class="seeLabel">See Also:</span></dt>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;applyFields&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;replaceText,
<a href="../chainsaw/logevents/ChainsawLoggingEvent.html" title="class in org.apache.log4j.chainsaw.logevents">ChainsawLoggingEvent</a>&nbsp;event)</pre>
<div class="block">Apply fields.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>replaceText</code> - replacement text.</dd>
<dd><code>event</code> - logging event.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>evaluted expression</dd>
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<pre class="methodSignature">public static&nbsp;<a href="LoggingEventFieldResolver.html" title="class in org.apache.log4j.spi">LoggingEventFieldResolver</a>&nbsp;getInstance()</pre>
<div class="block">Get singleton instance.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>singleton instance</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;isField&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;fieldName)</pre>
<div class="block">Determines if specified string is a recognized field.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fieldName</code> - field name</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if recognized field.</dd>
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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a>&nbsp;getValue&#8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;fieldName,
<a href="../chainsaw/logevents/ChainsawLoggingEvent.html" title="class in org.apache.log4j.chainsaw.logevents">ChainsawLoggingEvent</a>&nbsp;event)</pre>
<div class="block">Get value of field.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>fieldName</code> - field</dd>
<dd><code>event</code> - event</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>value of field</dd>
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