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| <h1 title="Package org.apache.logging.log4j.core.lookup" class="title">Package org.apache.logging.log4j.core.lookup</h1> |
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| <div class="package-signature"><span class="annotations">@Export |
| @Version("2.20.1") |
| </span>package <span class="element-name">org.apache.logging.log4j.core.lookup</span></div> |
| <section class="package-description" id="package-description"> |
| <div class="block">Log4j 2 Lookups. These are used in variable interpolation in various configuration attributes. |
| <a href="StrLookup.html" title="interface in org.apache.logging.log4j.core.lookup"><code>StrLookup</code></a> plugins should use the |
| <a href="../config/plugins/Plugin.html#category()">plugin category</a> |
| <a href="StrLookup.html#CATEGORY"><code>Lookup</code></a>.</div> |
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| <div class="block">Implementation of Log4j 2.</div> |
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| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="AbstractConfigurationAwareLookup.html" title="class in org.apache.logging.log4j.core.lookup">AbstractConfigurationAwareLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">StrLookup that is ConfigurationAware.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="AbstractLookup.html" title="class in org.apache.logging.log4j.core.lookup">AbstractLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">A default lookup for others to extend.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="ConfigurationStrSubstitutor.html" title="class in org.apache.logging.log4j.core.lookup">ConfigurationStrSubstitutor</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block"><a href="RuntimeStrSubstitutor.html" title="class in org.apache.logging.log4j.core.lookup"><code>RuntimeStrSubstitutor</code></a> is a <a href="StrSubstitutor.html" title="class in org.apache.logging.log4j.core.lookup"><code>StrSubstitutor</code></a> which only supports recursive evaluation of lookups.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="ContextMapLookup.html" title="class in org.apache.logging.log4j.core.lookup">ContextMapLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks up keys from the context.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="DateLookup.html" title="class in org.apache.logging.log4j.core.lookup">DateLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Formats the current date or the date in the LogEvent.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="EnvironmentLookup.html" title="class in org.apache.logging.log4j.core.lookup">EnvironmentLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks up keys from environment variables.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="EventLookup.html" title="class in org.apache.logging.log4j.core.lookup">EventLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks up values from the log event.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="Interpolator.html" title="class in org.apache.logging.log4j.core.lookup">Interpolator</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Proxies all the other <a href="StrLookup.html" title="interface in org.apache.logging.log4j.core.lookup"><code>StrLookup</code></a>s.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="JavaLookup.html" title="class in org.apache.logging.log4j.core.lookup">JavaLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks up keys related to Java: Java version, JRE version, VM version, and so on.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="JmxRuntimeInputArgumentsLookup.html" title="class in org.apache.logging.log4j.core.lookup">JmxRuntimeInputArgumentsLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Maps JVM input arguments (but not main arguments) using JMX to acquire JVM arguments.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="JndiLookup.html" title="class in org.apache.logging.log4j.core.lookup">JndiLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks up keys from JNDI resources.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="Log4jLookup.html" title="class in org.apache.logging.log4j.core.lookup">Log4jLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Lookup properties of Log4j</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="LookupResult.html" title="interface in org.apache.logging.log4j.core.lookup">LookupResult</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="LowerLookup.html" title="class in org.apache.logging.log4j.core.lookup">LowerLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Converts values to lower case.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="MainMapLookup.html" title="class in org.apache.logging.log4j.core.lookup">MainMapLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">A map-based lookup for main arguments.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MapLookup.html" title="class in org.apache.logging.log4j.core.lookup">MapLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">A map-based lookup.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="MarkerLookup.html" title="class in org.apache.logging.log4j.core.lookup">MarkerLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks-up markers.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="PropertiesLookup.html" title="class in org.apache.logging.log4j.core.lookup">PropertiesLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">A lookup designed for <code>Properties</code> defined in the configuration.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="ResourceBundleLookup.html" title="class in org.apache.logging.log4j.core.lookup">ResourceBundleLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks up keys from resource bundles.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="RuntimeStrSubstitutor.html" title="class in org.apache.logging.log4j.core.lookup">RuntimeStrSubstitutor</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block"><a href="RuntimeStrSubstitutor.html" title="class in org.apache.logging.log4j.core.lookup"><code>RuntimeStrSubstitutor</code></a> is a <a href="StrSubstitutor.html" title="class in org.apache.logging.log4j.core.lookup"><code>StrSubstitutor</code></a> which only supports evaluation of top-level lookups.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab1"><a href="StrLookup.html" title="interface in org.apache.logging.log4j.core.lookup">StrLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab1"> |
| <div class="block">Lookup a String key to a String value.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">A matcher class that can be queried to determine if a character array |
| portion matches.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="StrSubstitutor.html" title="class in org.apache.logging.log4j.core.lookup">StrSubstitutor</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Substitutes variables within a string by values.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="StructuredDataLookup.html" title="class in org.apache.logging.log4j.core.lookup">StructuredDataLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks up keys from <a href="https://logging.apache.org/log4j/2.x/apidocs/org/apache/logging/log4j/message/StructuredDataMessage.html" title="class or interface in org.apache.logging.log4j.message" class="external-link"><code>StructuredDataMessage</code></a> log messages.</div> |
| </div> |
| <div class="col-first even-row-color class-summary class-summary-tab2"><a href="SystemPropertiesLookup.html" title="class in org.apache.logging.log4j.core.lookup">SystemPropertiesLookup</a></div> |
| <div class="col-last even-row-color class-summary class-summary-tab2"> |
| <div class="block">Looks up keys from system properties.</div> |
| </div> |
| <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="UpperLookup.html" title="class in org.apache.logging.log4j.core.lookup">UpperLookup</a></div> |
| <div class="col-last odd-row-color class-summary class-summary-tab2"> |
| <div class="block">Converts values to upper case.</div> |
| </div> |
| </div> |
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