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<h1 title="Package" class="title">Package org.apache.commons.logging.impl</h1>
<div class="docSummary">
<div class="block">Concrete implementations of commons-logging wrapper APIs.</div>
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<p>See: <a href="#package_description">Description</a></p>
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<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/AvalonLogger.html" title="class in org.apache.commons.logging.impl">AvalonLogger</a></td>
<td class="colLast">
<div class="block">Implementation of commons-logging Log interface that delegates all
logging calls to the Avalon logging abstraction: the Logger interface.</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/Jdk13LumberjackLogger.html" title="class in org.apache.commons.logging.impl">Jdk13LumberjackLogger</a></td>
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<div class="block">Implementation of the <code>org.apache.commons.logging.Log</code>
interface that wraps the standard JDK logging mechanisms that are
available in SourceForge's Lumberjack for JDKs prior to 1.4.</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/Jdk14Logger.html" title="class in org.apache.commons.logging.impl">Jdk14Logger</a></td>
<td class="colLast">
<div class="block">Implementation of the <code>org.apache.commons.logging.Log</code>
interface that wraps the standard JDK logging mechanisms that were
introduced in the Merlin release (JDK 1.4).</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/Log4JLogger.html" title="class in org.apache.commons.logging.impl">Log4JLogger</a></td>
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<div class="block">Implementation of <a href="../../../../../org/apache/commons/logging/Log.html" title="interface in org.apache.commons.logging"><code>Log</code></a> that maps directly to a
<strong>Logger</strong> for log4J version 1.2.</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/LogFactoryImpl.html" title="class in org.apache.commons.logging.impl">LogFactoryImpl</a></td>
<td class="colLast">
<div class="block">Concrete subclass of <a href="../../../../../org/apache/commons/logging/LogFactory.html" title="class in org.apache.commons.logging"><code>LogFactory</code></a> that implements the
following algorithm to dynamically select a logging implementation
class to instantiate a wrapper for:
Use a factory configuration attribute named
<code>org.apache.commons.logging.Log</code> to identify the
requested implementation class.
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to identify the requested implementation class.
If <em>Log4J</em> is available, return an instance of
<code>org.apache.commons.logging.impl.Log4JLogger</code>.
If <em>JDK 1.4 or later</em> is available, return an instance of
<code>org.apache.commons.logging.impl.Jdk14Logger</code>.
Otherwise, return an instance of
<code>org.apache.commons.logging.impl.SimpleLog</code>.
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/LogKitLogger.html" title="class in org.apache.commons.logging.impl">LogKitLogger</a></td>
<td class="colLast">
<div class="block">Implementation of <code>org.apache.commons.logging.Log</code>
that wraps the <a href="http://avalon.apache.org/logkit/">avalon-logkit</a>
logging system.</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/NoOpLog.html" title="class in org.apache.commons.logging.impl">NoOpLog</a></td>
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<div class="block">Trivial implementation of Log that throws away all messages.</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/ServletContextCleaner.html" title="class in org.apache.commons.logging.impl">ServletContextCleaner</a></td>
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<div class="block">This class is capable of receiving notifications about the undeployment of
a webapp, and responds by ensuring that commons-logging releases all
memory associated with the undeployed webapp.</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/SimpleLog.html" title="class in org.apache.commons.logging.impl">SimpleLog</a></td>
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<div class="block">Simple implementation of Log that sends all enabled log messages,
for all defined loggers, to System.err.</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/WeakHashtable.html" title="class in org.apache.commons.logging.impl">WeakHashtable</a></td>
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<div class="block">Implementation of <code>Hashtable</code> that uses <code>WeakReference</code>'s
to hold its keys thus allowing them to be reclaimed by the garbage collector.</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/WeakHashtable.Entry.html" title="class in org.apache.commons.logging.impl">WeakHashtable.Entry</a></td>
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<div class="block">Entry implementation</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/WeakHashtable.Referenced.html" title="class in org.apache.commons.logging.impl">WeakHashtable.Referenced</a></td>
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<div class="block">Wrapper giving correct symantics for equals and hashcode</div>
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<td class="colFirst"><a href="../../../../../org/apache/commons/logging/impl/WeakHashtable.WeakKey.html" title="class in org.apache.commons.logging.impl">WeakHashtable.WeakKey</a></td>
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<div class="block">WeakReference subclass that holds a hard reference to an
associated <code>value</code> and also makes accessible
the Referenced object holding it.</div>
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<h2 title="Package org.apache.commons.logging.impl Description">Package org.apache.commons.logging.impl Description</h2>
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