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| <li>Summary: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.logging.log4j.core.lookup</a></div> |
| <h1 title="Class EnvironmentLookup" class="title">Class EnvironmentLookup</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="AbstractLookup.html" title="class in org.apache.logging.log4j.core.lookup">org.apache.logging.log4j.core.lookup.AbstractLookup</a> |
| <div class="inheritance">org.apache.logging.log4j.core.lookup.EnvironmentLookup</div> |
| </div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="StrLookup.html" title="interface in org.apache.logging.log4j.core.lookup">StrLookup</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="annotations"><a href="../config/plugins/Plugin.html" title="annotation in org.apache.logging.log4j.core.config.plugins">@Plugin</a>(<a href="../config/plugins/Plugin.html#name()">name</a>="env", |
| <a href="../config/plugins/Plugin.html#category()">category</a>="Lookup") |
| </span><span class="modifiers">public class </span><span class="element-name type-name-label">EnvironmentLookup</span> |
| <span class="extends-implements">extends <a href="AbstractLookup.html" title="class in org.apache.logging.log4j.core.lookup">AbstractLookup</a></span></div> |
| <div class="block">Looks up keys from environment variables.</div> |
| </section> |
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| <h2>Field Summary</h2> |
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| <h3 id="fields-inherited-from-class-org.apache.logging.log4j.core.lookup.StrLookup">Fields inherited from interface org.apache.logging.log4j.core.lookup.<a href="StrLookup.html" title="interface in org.apache.logging.log4j.core.lookup">StrLookup</a></h3> |
| <code><a href="StrLookup.html#CATEGORY">CATEGORY</a></code></div> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
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| <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">EnvironmentLookup</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
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| <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><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></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#lookup(org.apache.logging.log4j.core.LogEvent,java.lang.String)" class="member-name-link">lookup</a><wbr>(<a href="../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a> event, |
| <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> key)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Looks up the value of the environment variable.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.logging.log4j.core.lookup.AbstractLookup">Methods inherited from class org.apache.logging.log4j.core.lookup.<a href="AbstractLookup.html" title="class in org.apache.logging.log4j.core.lookup">AbstractLookup</a></h3> |
| <code><a href="AbstractLookup.html#evaluate(java.lang.String)">evaluate</a>, <a href="AbstractLookup.html#lookup(java.lang.String)">lookup</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class 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> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.logging.log4j.core.lookup.StrLookup">Methods inherited from interface org.apache.logging.log4j.core.lookup.<a href="StrLookup.html" title="interface in org.apache.logging.log4j.core.lookup">StrLookup</a></h3> |
| <code><a href="StrLookup.html#evaluate(org.apache.logging.log4j.core.LogEvent,java.lang.String)">evaluate</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="<init>()"> |
| <h3>EnvironmentLookup</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">EnvironmentLookup</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="lookup(org.apache.logging.log4j.core.LogEvent,java.lang.String)"> |
| <h3>lookup</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><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></span> <span class="element-name">lookup</span><wbr><span class="parameters">(<a href="../LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a> event, |
| <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> key)</span></div> |
| <div class="block">Looks up the value of the environment variable.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>event</code> - The current LogEvent (is ignored by this StrLookup).</dd> |
| <dd><code>key</code> - the key to be looked up, may be null</dd> |
| <dt>Returns:</dt> |
| <dd>The value of the environment variable.</dd> |
| </dl> |
| </section> |
| </li> |
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