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| <h1 title="Package org.apache.logging.log4j.core" class="title">Package org.apache.logging.log4j.core</h1> |
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| <div class="package-signature"><span class="annotations">@Export |
| @Version("2.20.2") |
| </span>package <span class="element-name">org.apache.logging.log4j.core</span></div> |
| <section class="package-description" id="package-description"> |
| <div class="block">Implementation of Log4j 2.</div> |
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| <div class="caption"><span>Related Packages</span></div> |
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| <div class="table-header col-first">Package</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><a href="appender/package-summary.html">org.apache.logging.log4j.core.appender</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Log4j 2 Appenders.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="async/package-summary.html">org.apache.logging.log4j.core.async</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Provides Asynchronous Logger classes and interfaces for low-latency logging.</div> |
| </div> |
| <div class="col-first even-row-color"><a href="config/package-summary.html">org.apache.logging.log4j.core.config</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Configuration of Log4j 2.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="filter/package-summary.html">org.apache.logging.log4j.core.filter</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Log4j 2 Filter support.</div> |
| </div> |
| <div class="col-first even-row-color"><a href="impl/package-summary.html">org.apache.logging.log4j.core.impl</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Log4j 2 private implementation classes.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="jackson/package-summary.html">org.apache.logging.log4j.core.jackson</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Classes and interfaces for serializing and deserializing Log4j 2 log events to XML and JSON using the Jackson |
| library.</div> |
| </div> |
| <div class="col-first even-row-color"><a href="jmx/package-summary.html">org.apache.logging.log4j.core.jmx</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Log4j 2 JMX support.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="layout/package-summary.html">org.apache.logging.log4j.core.layout</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Log4j 2 Layout support.</div> |
| </div> |
| <div class="col-first even-row-color"><a href="lookup/package-summary.html">org.apache.logging.log4j.core.lookup</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Log4j 2 Lookups.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="net/package-summary.html">org.apache.logging.log4j.core.net</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Log4j 2 network support.</div> |
| </div> |
| <div class="col-first even-row-color"><a href="osgi/package-summary.html">org.apache.logging.log4j.core.osgi</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Collection of OSGi-specific classes for bundles.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="parser/package-summary.html">org.apache.logging.log4j.core.parser</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Parsers for the output of various layouts.</div> |
| </div> |
| <div class="col-first even-row-color"><a href="pattern/package-summary.html">org.apache.logging.log4j.core.pattern</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Provides classes implementing format specifiers in conversion patterns.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="script/package-summary.html">org.apache.logging.log4j.core.script</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Log4j 2 Script support.</div> |
| </div> |
| <div class="col-first even-row-color"><a href="selector/package-summary.html">org.apache.logging.log4j.core.selector</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Log4j 2 Context Selectors.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="time/package-summary.html">org.apache.logging.log4j.core.time</a></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><a href="tools/package-summary.html">org.apache.logging.log4j.core.tools</a></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Log4j 2 command line tools.</div> |
| </div> |
| <div class="col-first odd-row-color"><a href="util/package-summary.html">org.apache.logging.log4j.core.util</a></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Log4j 2 helper classes.</div> |
| </div> |
| </div> |
| </div> |
| </li> |
| <li> |
| <div id="class-summary"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="class-summary-tab0" role="tab" aria-selected="true" aria-controls="class-summary.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary', 2)" class="active-table-tab">All Classes and Interfaces</button><button id="class-summary-tab1" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab1', 2)" class="table-tab">Interfaces</button><button id="class-summary-tab2" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab2', 2)" class="table-tab">Classes</button><button id="class-summary-tab3" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab3', 2)" class="table-tab">Enums</button></div> |
| <div id="class-summary.tabpanel" role="tabpanel"> |
| <div class="summary-table two-column-summary" aria-labelledby="class-summary-tab0"> |
| <div class="table-header col-first">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="AbstractLifeCycle.html" title="class in org.apache.logging.log4j.core">AbstractLifeCycle</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">A life cycle to be extended.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="AbstractLogEvent.html" title="class in org.apache.logging.log4j.core">AbstractLogEvent</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">An abstract log event implementation with default values for all methods.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="Appender.html" title="interface in org.apache.logging.log4j.core">Appender</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Appends <a href="LogEvent.html" title="interface in org.apache.logging.log4j.core"><code>LogEvent</code></a>s.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="ContextDataInjector.html" title="interface in org.apache.logging.log4j.core">ContextDataInjector</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Responsible for initializing the context data of LogEvents.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="Core.html" title="class in org.apache.logging.log4j.core">Core</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="DefaultLoggerContextAccessor.html" title="class in org.apache.logging.log4j.core">DefaultLoggerContextAccessor</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Default implementation using the Core LoggerContext.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="ErrorHandler.html" title="interface in org.apache.logging.log4j.core">ErrorHandler</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Appenders may delegate their error handling to <code>ErrorHandlers</code>.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="Filter.html" title="interface in org.apache.logging.log4j.core">Filter</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Interface that must be implemented to allow custom event filtering.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab3"><a href="Filter.Result.html" title="enum in org.apache.logging.log4j.core">Filter.Result</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab3"> |
| <div class="block">The result that can returned from a filter method call.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a><T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a>></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Lays out a <a href="LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a> in different formats.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="LifeCycle.html" title="interface in org.apache.logging.log4j.core">LifeCycle</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">All proper Java frameworks implement some sort of object life cycle.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab3"><a href="LifeCycle.State.html" title="enum in org.apache.logging.log4j.core">LifeCycle.State</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab3"> |
| <div class="block">Status of a life cycle like a <a href="LoggerContext.html" title="class in org.apache.logging.log4j.core"><code>LoggerContext</code></a>.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="LifeCycle2.html" title="interface in org.apache.logging.log4j.core">LifeCycle2</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Extends the LifeCycle interface.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="LogEvent.html" title="interface in org.apache.logging.log4j.core">LogEvent</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Provides contextual information about a logged message.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="LogEventListener.html" title="class in org.apache.logging.log4j.core">LogEventListener</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Base class for server classes that listen to <a href="LogEvent.html" title="interface in org.apache.logging.log4j.core"><code>LogEvent</code></a>s.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="Logger.html" title="class in org.apache.logging.log4j.core">Logger</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">The core implementation of the <a href="https://logging.apache.org/log4j/2.x/apidocs/org/apache/logging/log4j/Logger.html" title="class or interface in org.apache.logging.log4j" class="external-link"><code>Logger</code></a> interface.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="Logger.LoggerProxy.html" title="class in org.apache.logging.log4j.core">Logger.LoggerProxy</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Serialization proxy class for Logger.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="LoggerContext.html" title="class in org.apache.logging.log4j.core">LoggerContext</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">The LoggerContext is the anchor for the logging system.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="LoggerContextAccessor.html" title="interface in org.apache.logging.log4j.core">LoggerContextAccessor</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Provides access to a Core Logger Context.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab1"><a href="StringLayout.html" title="interface in org.apache.logging.log4j.core">StringLayout</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab1"> |
| <div class="block">Instantiates the <a href="Layout.html" title="interface in org.apache.logging.log4j.core"><code>Layout</code></a> type for String-based layouts.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="Version.html" title="class in org.apache.logging.log4j.core">Version</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> </div> |
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