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<h1 title="Uses of Package org.apache.log4j.spi" class="title">Uses of Package<br>org.apache.log4j.spi</h1>
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation">
<caption><span>Packages that use <a href="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</a></span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.log4j">org.apache.log4j</a></td>
<td class="colLast">
<div class="block">The main log4j package.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.log4j.helpers">org.apache.log4j.helpers</a></td>
<td class="colLast">
<div class="block">This package is used internally.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.log4j.jdbc">org.apache.log4j.jdbc</a></td>
<td class="colLast">
<div class="block">The JDBCAppender provides for sending log events to a database.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.log4j.jmx">org.apache.log4j.jmx</a></td>
<td class="colLast">
<div class="block">This package lets you manage log4j settings using JMX.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.log4j.lf5">org.apache.log4j.lf5</a></td>
<td class="colLast"> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.log4j.net">org.apache.log4j.net</a></td>
<td class="colLast">
<div class="block">Package for remote logging.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.log4j.nt">org.apache.log4j.nt</a></td>
<td class="colLast">
<div class="block">Package for NT event logging.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.log4j.or">org.apache.log4j.or</a></td>
<td class="colLast">
<div class="block">ObjectRenders are resposible for rendering messages depending on
their class type.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.log4j.spi">org.apache.log4j.spi</a></td>
<td class="colLast">
<div class="block">Contains part of the System Programming Interface (SPI) needed to
extend log4j.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.log4j.varia">org.apache.log4j.varia</a></td>
<td class="colLast">
<div class="block">Contains various appenders, filters and other odds and ends.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.log4j.xml">org.apache.log4j.xml</a></td>
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<div class="block">XML based components.</div>
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<th class="colOne" scope="col">Class and Description</th>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/AppenderAttachable.html#org.apache.log4j">AppenderAttachable</a>
<div class="block">Interface for attaching appenders to objects.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/Configurator.html#org.apache.log4j">Configurator</a>
<div class="block">Implemented by classes capable of configuring log4j using a URL.</div>
</td>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/ErrorHandler.html#org.apache.log4j">ErrorHandler</a>
<div class="block">Appenders may delegate their error handling to
<code>ErrorHandlers</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/Filter.html#org.apache.log4j">Filter</a>
<div class="block">Users should extend this class to implement customized logging
event filtering.</div>
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</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/HierarchyEventListener.html#org.apache.log4j">HierarchyEventListener</a>
<div class="block">Listen to events occuring within a <a href="../../../../org/apache/log4j/Hierarchy.html" title="class in org.apache.log4j"><code>Hierarchy</code></a>.</div>
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</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggerFactory.html#org.apache.log4j">LoggerFactory</a>
<div class="block">Implement this interface to create new instances of Logger or
a sub-class of Logger.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j">LoggerRepository</a>
<div class="block">A <code>LoggerRepository</code> is used to create and retrieve
<code>Loggers</code>.</div>
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</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j">LoggingEvent</a>
<div class="block">The internal representation of logging events.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j">OptionHandler</a>
<div class="block">A string based interface to configure package components.</div>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/RendererSupport.html#org.apache.log4j">RendererSupport</a> </td>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/RepositorySelector.html#org.apache.log4j">RepositorySelector</a>
<div class="block">The <code>LogManager</code> uses one (and only one)
<code>RepositorySelector</code> implementation to select the
<a href="../../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi"><code>LoggerRepository</code></a> for a particular application context.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/ThrowableRenderer.html#org.apache.log4j">ThrowableRenderer</a>
<div class="block">Implemented by classes that render instances of
java.lang.Throwable (exceptions and errors)
into a string representation.</div>
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</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/ThrowableRendererSupport.html#org.apache.log4j">ThrowableRendererSupport</a>
<div class="block">Implemented by logger repositories that support configurable
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<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/AppenderAttachable.html#org.apache.log4j.helpers">AppenderAttachable</a>
<div class="block">Interface for attaching appenders to objects.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/ErrorHandler.html#org.apache.log4j.helpers">ErrorHandler</a>
<div class="block">Appenders may delegate their error handling to
<code>ErrorHandlers</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.helpers">LoggerRepository</a>
<div class="block">A <code>LoggerRepository</code> is used to create and retrieve
<code>Loggers</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.helpers">LoggingEvent</a>
<div class="block">The internal representation of logging events.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.helpers">OptionHandler</a>
<div class="block">A string based interface to configure package components.</div>
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<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.jdbc">LoggingEvent</a>
<div class="block">The internal representation of logging events.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.jdbc">OptionHandler</a>
<div class="block">A string based interface to configure package components.</div>
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<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/HierarchyEventListener.html#org.apache.log4j.jmx">HierarchyEventListener</a>
<div class="block">Listen to events occuring within a <a href="../../../../org/apache/log4j/Hierarchy.html" title="class in org.apache.log4j"><code>Hierarchy</code></a>.</div>
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<th class="colOne" scope="col">Class and Description</th>
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<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/Configurator.html#org.apache.log4j.lf5">Configurator</a>
<div class="block">Implemented by classes capable of configuring log4j using a URL.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.lf5">LoggerRepository</a>
<div class="block">A <code>LoggerRepository</code> is used to create and retrieve
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.lf5">LoggingEvent</a>
<div class="block">The internal representation of logging events.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.lf5">OptionHandler</a>
<div class="block">A string based interface to configure package components.</div>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/ThrowableInformation.html#org.apache.log4j.lf5">ThrowableInformation</a>
<div class="block">ThrowableInformation is log4j's internal representation of
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.net">LoggerRepository</a>
<div class="block">A <code>LoggerRepository</code> is used to create and retrieve
<code>Loggers</code>.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.net">LoggingEvent</a>
<div class="block">The internal representation of logging events.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.net">OptionHandler</a>
<div class="block">A string based interface to configure package components.</div>
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</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/TriggeringEventEvaluator.html#org.apache.log4j.net">TriggeringEventEvaluator</a>
<div class="block">Implementions of this interface allow certain appenders to decide
when to perform an appender specific action.</div>
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<th class="colOne" scope="col">Class and Description</th>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.nt">LoggingEvent</a>
<div class="block">The internal representation of logging events.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.nt">OptionHandler</a>
<div class="block">A string based interface to configure package components.</div>
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<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/AppenderAttachable.html#org.apache.log4j.spi">AppenderAttachable</a>
<div class="block">Interface for attaching appenders to objects.</div>
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</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/Filter.html#org.apache.log4j.spi">Filter</a>
<div class="block">Users should extend this class to implement customized logging
event filtering.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../org/apache/log4j/spi/class-use/HierarchyEventListener.html#org.apache.log4j.spi">HierarchyEventListener</a>
<div class="block">Listen to events occuring within a <a href="../../../../org/apache/log4j/Hierarchy.html" title="class in org.apache.log4j"><code>Hierarchy</code></a>.</div>
</td>
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