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<div class="subTitle">org.apache.log4j.spi</div>
<h2 title="Class NOPLogger" class="title">Class NOPLogger</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">org.apache.log4j.Category</a></li>
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<li><a href="../../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">org.apache.log4j.Logger</a></li>
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<li>org.apache.log4j.spi.NOPLogger</li>
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<dd><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html" title="interface in org.apache.log4j.spi">AppenderAttachable</a></dd>
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<pre>public final class <span class="typeNameLabel">NOPLogger</span>
extends <a href="../../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></pre>
<div class="block">No-operation implementation of Logger used by NOPLoggerRepository.</div>
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<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.2.15</dd>
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<h3>Fields inherited from class org.apache.log4j.<a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></h3>
<code><a href="../../../../org/apache/log4j/Category.html#additive">additive</a>, <a href="../../../../org/apache/log4j/Category.html#level">level</a>, <a href="../../../../org/apache/log4j/Category.html#name">name</a>, <a href="../../../../org/apache/log4j/Category.html#parent">parent</a>, <a href="../../../../org/apache/log4j/Category.html#repository">repository</a>, <a href="../../../../org/apache/log4j/Category.html#resourceBundle">resourceBundle</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#NOPLogger-org.apache.log4j.spi.NOPLoggerRepository-java.lang.String-">NOPLogger</a></span>(<a href="../../../../org/apache/log4j/spi/NOPLoggerRepository.html" title="class in org.apache.log4j.spi">NOPLoggerRepository</a> repo,
java.lang.String name)</code>
<div class="block">Create instance of Logger.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#addAppender-org.apache.log4j.Appender-">addAppender</a></span>(<a href="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a> newAppender)</code>
<div class="block">Add <code>newAppender</code> to the list of appenders of this
Category instance.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#assertLog-boolean-java.lang.String-">assertLog</a></span>(boolean assertion,
java.lang.String msg)</code>
<div class="block">If <code>assertion</code> parameter is <code>false</code>, then
logs <code>msg</code> as an <a href="../../../../org/apache/log4j/Category.html#error-java.lang.Object-"><code>error</code></a> statement.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#callAppenders-org.apache.log4j.spi.LoggingEvent-">callAppenders</a></span>(<a href="../../../../org/apache/log4j/spi/LoggingEvent.html" title="class in org.apache.log4j.spi">LoggingEvent</a> event)</code>
<div class="block">Call the appenders in the hierrachy starting at
<code>this</code>.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#debug-java.lang.Object-">debug</a></span>(java.lang.Object message)</code>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#DEBUG"><code>DEBUG</code></a> level.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#debug-java.lang.Object-java.lang.Throwable-">debug</a></span>(java.lang.Object message,
java.lang.Throwable t)</code>
<div class="block">Log a message object with the <code>DEBUG</code> level including
the stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#error-java.lang.Object-">error</a></span>(java.lang.Object message)</code>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#ERROR"><code>ERROR</code></a> Level.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#error-java.lang.Object-java.lang.Throwable-">error</a></span>(java.lang.Object message,
java.lang.Throwable t)</code>
<div class="block">Log a message object with the <code>ERROR</code> level including
the stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#fatal-java.lang.Object-">fatal</a></span>(java.lang.Object message)</code>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#FATAL"><code>FATAL</code></a> Level.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#fatal-java.lang.Object-java.lang.Throwable-">fatal</a></span>(java.lang.Object message,
java.lang.Throwable t)</code>
<div class="block">Log a message object with the <code>FATAL</code> level including
the stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>java.util.Enumeration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#getAllAppenders--">getAllAppenders</a></span>()</code>
<div class="block">Get the appenders contained in this category as an <code>Enumeration</code>.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#getAppender-java.lang.String-">getAppender</a></span>(java.lang.String name)</code>
<div class="block">Look for the appender named as <code>name</code>.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#getChainedPriority--">getChainedPriority</a></span>()</code></td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/log4j/Level.html" title="class in org.apache.log4j">Level</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#getEffectiveLevel--">getEffectiveLevel</a></span>()</code>
<div class="block">Starting from this category, search the category hierarchy for a
non-null level and return it.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>java.util.ResourceBundle</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#getResourceBundle--">getResourceBundle</a></span>()</code>
<div class="block">Return the <em>inherited</em> <code>ResourceBundle</code> for this
category.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#info-java.lang.Object-">info</a></span>(java.lang.Object message)</code>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#INFO"><code>INFO</code></a> Level.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#info-java.lang.Object-java.lang.Throwable-">info</a></span>(java.lang.Object message,
java.lang.Throwable t)</code>
<div class="block">Log a message object with the <code>INFO</code> level including
the stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#isAttached-org.apache.log4j.Appender-">isAttached</a></span>(<a href="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a> appender)</code>
<div class="block">Is the appender passed as parameter attached to this category?</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#isDebugEnabled--">isDebugEnabled</a></span>()</code>
<div class="block">Check whether this category is enabled for the <code>DEBUG</code>
Level.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#isEnabledFor-org.apache.log4j.Priority-">isEnabledFor</a></span>(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> level)</code>
<div class="block">Check whether this category is enabled for a given <a href="../../../../org/apache/log4j/Level.html" title="class in org.apache.log4j"><code>Level</code></a> passed as parameter.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#isInfoEnabled--">isInfoEnabled</a></span>()</code>
<div class="block">Check whether this category is enabled for the info Level.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#isTraceEnabled--">isTraceEnabled</a></span>()</code>
<div class="block">Check whether this category is enabled for the TRACE Level.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Object:A-java.lang.Throwable-">l7dlog</a></span>(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority,
java.lang.String key,
java.lang.Object[] params,
java.lang.Throwable t)</code>
<div class="block">Log a localized and parameterized message.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Throwable-">l7dlog</a></span>(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority,
java.lang.String key,
java.lang.Throwable t)</code>
<div class="block">Log a localized message.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#log-org.apache.log4j.Priority-java.lang.Object-">log</a></span>(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority,
java.lang.Object message)</code>
<div class="block">This generic form is intended to be used by wrappers.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#log-org.apache.log4j.Priority-java.lang.Object-java.lang.Throwable-">log</a></span>(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority,
java.lang.Object message,
java.lang.Throwable t)</code>
<div class="block">This generic form is intended to be used by wrappers.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#log-java.lang.String-org.apache.log4j.Priority-java.lang.Object-java.lang.Throwable-">log</a></span>(java.lang.String callerFQCN,
<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> level,
java.lang.Object message,
java.lang.Throwable t)</code>
<div class="block">This is the most generic printing method.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#removeAllAppenders--">removeAllAppenders</a></span>()</code>
<div class="block">Remove all previously added appenders from this Category
instance.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#removeAppender-org.apache.log4j.Appender-">removeAppender</a></span>(<a href="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a> appender)</code>
<div class="block">Remove the appender passed as parameter form the list of appenders.</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#removeAppender-java.lang.String-">removeAppender</a></span>(java.lang.String name)</code>
<div class="block">Remove the appender with the name passed as parameter form the
list of appenders.</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#setLevel-org.apache.log4j.Level-">setLevel</a></span>(<a href="../../../../org/apache/log4j/Level.html" title="class in org.apache.log4j">Level</a> level)</code>
<div class="block">Set the level of this Category.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#setPriority-org.apache.log4j.Priority-">setPriority</a></span>(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority)</code>
<div class="block">Set the level of this Category.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#setResourceBundle-java.util.ResourceBundle-">setResourceBundle</a></span>(java.util.ResourceBundle bundle)</code>
<div class="block">Set the resource bundle to be used with localized logging
methods <a href="../../../../org/apache/log4j/Category.html#l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Throwable-"><code>Category.l7dlog(Priority,String,Throwable)</code></a> and <a href="../../../../org/apache/log4j/Category.html#l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Object:A-java.lang.Throwable-"><code>Category.l7dlog(Priority,String,Object[],Throwable)</code></a>.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#trace-java.lang.Object-">trace</a></span>(java.lang.Object message)</code>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#TRACE"><code>TRACE</code></a> level.</div>
</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#trace-java.lang.Object-java.lang.Throwable-">trace</a></span>(java.lang.Object message,
java.lang.Throwable t)</code>
<div class="block">Log a message object with the <code>TRACE</code> level including the
stack trace of the <code>Throwable</code><code>t</code> passed as parameter.</div>
</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#warn-java.lang.Object-">warn</a></span>(java.lang.Object message)</code>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#WARN"><code>WARN</code></a> Level.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/log4j/spi/NOPLogger.html#warn-java.lang.Object-java.lang.Throwable-">warn</a></span>(java.lang.Object message,
java.lang.Throwable t)</code>
<div class="block">Log a message with the <code>WARN</code> level including the
stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.</div>
</td>
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<h3>Methods inherited from class org.apache.log4j.<a href="../../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></h3>
<code><a href="../../../../org/apache/log4j/Logger.html#getLogger-java.lang.Class-">getLogger</a>, <a href="../../../../org/apache/log4j/Logger.html#getLogger-java.lang.String-">getLogger</a>, <a href="../../../../org/apache/log4j/Logger.html#getLogger-java.lang.String-org.apache.log4j.spi.LoggerFactory-">getLogger</a>, <a href="../../../../org/apache/log4j/Logger.html#getRootLogger--">getRootLogger</a></code></li>
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<h3>Methods inherited from class org.apache.log4j.<a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></h3>
<code><a href="../../../../org/apache/log4j/Category.html#exists-java.lang.String-">exists</a>, <a href="../../../../org/apache/log4j/Category.html#forcedLog-java.lang.String-org.apache.log4j.Priority-java.lang.Object-java.lang.Throwable-">forcedLog</a>, <a href="../../../../org/apache/log4j/Category.html#getAdditivity--">getAdditivity</a>, <a href="../../../../org/apache/log4j/Category.html#getCurrentCategories--">getCurrentCategories</a>, <a href="../../../../org/apache/log4j/Category.html#getDefaultHierarchy--">getDefaultHierarchy</a>, <a href="../../../../org/apache/log4j/Category.html#getHierarchy--">getHierarchy</a>, <a href="../../../../org/apache/log4j/Category.html#getInstance-java.lang.Class-">getInstance</a>, <a href="../../../../org/apache/log4j/Category.html#getInstance-java.lang.String-">getInstance</a>, <a href="../../../../org/apache/log4j/Category.html#getLevel--">getLevel</a>, <a href="../../../../org/apache/log4j/Category.html#getLoggerRepository--">getLoggerRepository</a>, <a href="../../../../org/apache/log4j/Category.html#getName--">getName</a>, <a href="../../../../org/apache/log4j/Category.html#getParent--">getParent</a>, <a href="../../../../org/apache/log4j/Category.html#getPriority--">getPriority</a>, <a href="../../../../org/apache/log4j/Category.html#getResourceBundleString-java.lang.String-">getResourceBundleString</a>, <a href="../../../../org/apache/log4j/Category.html#getRoot--">getRoot</a>, <a href="../../../../org/apache/log4j/Category.html#setAdditivity-boolean-">setAdditivity</a>, <a href="../../../../org/apache/log4j/Category.html#shutdown--">shutdown</a></code></li>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
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<h3>Constructor Detail</h3>
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<h4>NOPLogger</h4>
<pre>public NOPLogger(<a href="../../../../org/apache/log4j/spi/NOPLoggerRepository.html" title="class in org.apache.log4j.spi">NOPLoggerRepository</a> repo,
java.lang.String name)</pre>
<div class="block">Create instance of Logger.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>repo</code> - repository, may not be null.</dd>
<dd><code>name</code> - name, may not be null, use "root" for root logger.</dd>
</dl>
</li>
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<h3>Method Detail</h3>
<a name="addAppender-org.apache.log4j.Appender-">
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<h4>addAppender</h4>
<pre>public void addAppender(<a href="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a> newAppender)</pre>
<div class="block">Add <code>newAppender</code> to the list of appenders of this
Category instance.
<p>If <code>newAppender</code> is already in the list of
appenders, then it won't be added again.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html#addAppender-org.apache.log4j.Appender-">addAppender</a></code> in interface <code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html" title="interface in org.apache.log4j.spi">AppenderAttachable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#addAppender-org.apache.log4j.Appender-">addAppender</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
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<h4>assertLog</h4>
<pre>public void assertLog(boolean assertion,
java.lang.String msg)</pre>
<div class="block">If <code>assertion</code> parameter is <code>false</code>, then
logs <code>msg</code> as an <a href="../../../../org/apache/log4j/Category.html#error-java.lang.Object-"><code>error</code></a> statement.
<p>The <code>assert</code> method has been renamed to
<code>assertLog</code> because <code>assert</code> is a language
reserved word in JDK 1.4.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#assertLog-boolean-java.lang.String-">assertLog</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dd><code>msg</code> - The message to print if <code>assertion</code> is
false.</dd>
</dl>
</li>
</ul>
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<h4>callAppenders</h4>
<pre>public void callAppenders(<a href="../../../../org/apache/log4j/spi/LoggingEvent.html" title="class in org.apache.log4j.spi">LoggingEvent</a> event)</pre>
<div class="block">Call the appenders in the hierrachy starting at
<code>this</code>. If no appenders could be found, emit a
warning.
<p>This method calls all the appenders inherited from the
hierarchy circumventing any evaluation of whether to log or not
to log the particular log request.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#callAppenders-org.apache.log4j.spi.LoggingEvent-">callAppenders</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>event</code> - the event to log.</dd>
</dl>
</li>
</ul>
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<h4>debug</h4>
<pre>public void debug(java.lang.Object message)</pre>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#DEBUG"><code>DEBUG</code></a> level.
<p>This method first checks if this category is <code>DEBUG</code>
enabled by comparing the level of this category with the <a href="../../../../org/apache/log4j/Level.html#DEBUG"><code>DEBUG</code></a> level. If this category is
<code>DEBUG</code> enabled, then it converts the message object
(passed as parameter) to a string by invoking the appropriate
<a href="../../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or"><code>ObjectRenderer</code></a>. It then proceeds to call all the
registered appenders in this category and also higher in the
hierarchy depending on the value of the additivity flag.
<p><b>WARNING</b> Note that passing a <code>Throwable</code> to this
method will print the name of the <code>Throwable</code> but no
stack trace. To print a stack trace use the <a href="../../../../org/apache/log4j/Category.html#debug-java.lang.Object-java.lang.Throwable-"><code>Category.debug(Object,
Throwable)</code></a> form instead.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#debug-java.lang.Object-">debug</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
</dl>
</li>
</ul>
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<h4>debug</h4>
<pre>public void debug(java.lang.Object message,
java.lang.Throwable t)</pre>
<div class="block">Log a message object with the <code>DEBUG</code> level including
the stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.
<p>See <a href="../../../../org/apache/log4j/Category.html#debug-java.lang.Object-"><code>Category.debug(Object)</code></a> form for more detailed information.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#debug-java.lang.Object-java.lang.Throwable-">debug</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
<dd><code>t</code> - the exception to log, including its stack trace.</dd>
</dl>
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<h4>error</h4>
<pre>public void error(java.lang.Object message)</pre>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#ERROR"><code>ERROR</code></a> Level.
<p>This method first checks if this category is <code>ERROR</code>
enabled by comparing the level of this category with <a href="../../../../org/apache/log4j/Level.html#ERROR"><code>ERROR</code></a> Level. If this category is <code>ERROR</code>
enabled, then it converts the message object passed as parameter
to a string by invoking the appropriate <a href="../../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or"><code>ObjectRenderer</code></a>. It proceeds to call all the
registered appenders in this category and also higher in the
hierarchy depending on the value of the additivity flag.
<p><b>WARNING</b> Note that passing a <code>Throwable</code> to this
method will print the name of the <code>Throwable</code> but no
stack trace. To print a stack trace use the <a href="../../../../org/apache/log4j/Category.html#error-java.lang.Object-java.lang.Throwable-"><code>Category.error(Object,
Throwable)</code></a> form instead.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#error-java.lang.Object-">error</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log</dd>
</dl>
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<h4>error</h4>
<pre>public void error(java.lang.Object message,
java.lang.Throwable t)</pre>
<div class="block">Log a message object with the <code>ERROR</code> level including
the stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.
<p>See <a href="../../../../org/apache/log4j/Category.html#error-java.lang.Object-"><code>Category.error(Object)</code></a> form for more detailed information.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#error-java.lang.Object-java.lang.Throwable-">error</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
<dd><code>t</code> - the exception to log, including its stack trace.</dd>
</dl>
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<h4>fatal</h4>
<pre>public void fatal(java.lang.Object message)</pre>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#FATAL"><code>FATAL</code></a> Level.
<p>This method first checks if this category is <code>FATAL</code>
enabled by comparing the level of this category with <a href="../../../../org/apache/log4j/Level.html#FATAL"><code>FATAL</code></a> Level. If the category is <code>FATAL</code>
enabled, then it converts the message object passed as parameter
to a string by invoking the appropriate
<a href="../../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or"><code>ObjectRenderer</code></a>. It
proceeds to call all the registered appenders in this category and
also higher in the hierarchy depending on the value of the
additivity flag.
<p><b>WARNING</b> Note that passing a <code>Throwable</code> to this
method will print the name of the Throwable but no stack trace. To
print a stack trace use the <a href="../../../../org/apache/log4j/Category.html#fatal-java.lang.Object-java.lang.Throwable-"><code>Category.fatal(Object, Throwable)</code></a> form
instead.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#fatal-java.lang.Object-">fatal</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log</dd>
</dl>
</li>
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<h4>fatal</h4>
<pre>public void fatal(java.lang.Object message,
java.lang.Throwable t)</pre>
<div class="block">Log a message object with the <code>FATAL</code> level including
the stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.
<p>See <a href="../../../../org/apache/log4j/Category.html#fatal-java.lang.Object-"><code>Category.fatal(Object)</code></a> for more detailed information.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#fatal-java.lang.Object-java.lang.Throwable-">fatal</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
<dd><code>t</code> - the exception to log, including its stack trace.</dd>
</dl>
</li>
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<h4>getAllAppenders</h4>
<pre>public java.util.Enumeration getAllAppenders()</pre>
<div class="block">Get the appenders contained in this category as an <code>Enumeration</code>. If no appenders can be found, then a <a href="../../../../org/apache/log4j/helpers/NullEnumeration.html" title="class in org.apache.log4j.helpers"><code>NullEnumeration</code></a>
is returned.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html#getAllAppenders--">getAllAppenders</a></code> in interface <code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html" title="interface in org.apache.log4j.spi">AppenderAttachable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#getAllAppenders--">getAllAppenders</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Enumeration An enumeration of the appenders in this category.</dd>
</dl>
</li>
</ul>
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<h4>getAppender</h4>
<pre>public <a href="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a> getAppender(java.lang.String name)</pre>
<div class="block">Look for the appender named as <code>name</code>.
<p>Return the appender with that name if in the list. Return
<code>null</code> otherwise.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html#getAppender-java.lang.String-">getAppender</a></code> in interface <code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html" title="interface in org.apache.log4j.spi">AppenderAttachable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#getAppender-java.lang.String-">getAppender</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
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<h4>getEffectiveLevel</h4>
<pre>public <a href="../../../../org/apache/log4j/Level.html" title="class in org.apache.log4j">Level</a> getEffectiveLevel()</pre>
<div class="block">Starting from this category, search the category hierarchy for a
non-null level and return it. Otherwise, return the level of the
root category.
<p>The Category class is designed so that this method executes as
quickly as possible.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#getEffectiveLevel--">getEffectiveLevel</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
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<h4>getChainedPriority</h4>
<pre>public <a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> getChainedPriority()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#getChainedPriority--">getChainedPriority</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
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<h4>getResourceBundle</h4>
<pre>public java.util.ResourceBundle getResourceBundle()</pre>
<div class="block">Return the <em>inherited</em> <code>ResourceBundle</code> for this
category.
<p>This method walks the hierarchy to find the appropriate
resource bundle. It will return the resource bundle attached to
the closest ancestor of this category, much like the way
priorities are searched. In case there is no bundle in the
hierarchy then <code>null</code> is returned.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#getResourceBundle--">getResourceBundle</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
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<h4>info</h4>
<pre>public void info(java.lang.Object message)</pre>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#INFO"><code>INFO</code></a> Level.
<p>This method first checks if this category is <code>INFO</code>
enabled by comparing the level of this category with <a href="../../../../org/apache/log4j/Level.html#INFO"><code>INFO</code></a> Level. If the category is <code>INFO</code>
enabled, then it converts the message object passed as parameter
to a string by invoking the appropriate
<a href="../../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or"><code>ObjectRenderer</code></a>. It
proceeds to call all the registered appenders in this category and
also higher in the hierarchy depending on the value of the
additivity flag.
<p><b>WARNING</b> Note that passing a <code>Throwable</code> to this
method will print the name of the Throwable but no stack trace. To
print a stack trace use the <a href="../../../../org/apache/log4j/Category.html#info-java.lang.Object-java.lang.Throwable-"><code>Category.info(Object, Throwable)</code></a> form
instead.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#info-java.lang.Object-">info</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log</dd>
</dl>
</li>
</ul>
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<h4>info</h4>
<pre>public void info(java.lang.Object message,
java.lang.Throwable t)</pre>
<div class="block">Log a message object with the <code>INFO</code> level including
the stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.
<p>See <a href="../../../../org/apache/log4j/Category.html#info-java.lang.Object-"><code>Category.info(Object)</code></a> for more detailed information.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#info-java.lang.Object-java.lang.Throwable-">info</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
<dd><code>t</code> - the exception to log, including its stack trace.</dd>
</dl>
</li>
</ul>
<a name="isAttached-org.apache.log4j.Appender-">
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<h4>isAttached</h4>
<pre>public boolean isAttached(<a href="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a> appender)</pre>
<div class="block">Is the appender passed as parameter attached to this category?</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html#isAttached-org.apache.log4j.Appender-">isAttached</a></code> in interface <code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html" title="interface in org.apache.log4j.spi">AppenderAttachable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#isAttached-org.apache.log4j.Appender-">isAttached</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
<a name="isDebugEnabled--">
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<h4>isDebugEnabled</h4>
<pre>public boolean isDebugEnabled()</pre>
<div class="block">Check whether this category is enabled for the <code>DEBUG</code>
Level.
<p> This function is intended to lessen the computational cost of
disabled log debug statements.
<p> For some <code>cat</code> Category object, when you write,
<pre>
cat.debug("This is entry number: " + i );
</pre>
<p>You incur the cost constructing the message, concatenatiion in
this case, regardless of whether the message is logged or not.
<p>If you are worried about speed, then you should write
<pre>
if(cat.isDebugEnabled()) {
cat.debug("This is entry number: " + i );
}
</pre>
<p>This way you will not incur the cost of parameter
construction if debugging is disabled for <code>cat</code>. On
the other hand, if the <code>cat</code> is debug enabled, you
will incur the cost of evaluating whether the category is debug
enabled twice. Once in <code>isDebugEnabled</code> and once in
the <code>debug</code>. This is an insignificant overhead
since evaluating a category takes about 1%% of the time it
takes to actually log.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#isDebugEnabled--">isDebugEnabled</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean - <code>true</code> if this category is debug
enabled, <code>false</code> otherwise.</dd>
</dl>
</li>
</ul>
<a name="isEnabledFor-org.apache.log4j.Priority-">
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<h4>isEnabledFor</h4>
<pre>public boolean isEnabledFor(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> level)</pre>
<div class="block">Check whether this category is enabled for a given <a href="../../../../org/apache/log4j/Level.html" title="class in org.apache.log4j"><code>Level</code></a> passed as parameter.
See also <a href="../../../../org/apache/log4j/Category.html#isDebugEnabled--"><code>Category.isDebugEnabled()</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#isEnabledFor-org.apache.log4j.Priority-">isEnabledFor</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean True if this category is enabled for <code>level</code>.</dd>
</dl>
</li>
</ul>
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<h4>isInfoEnabled</h4>
<pre>public boolean isInfoEnabled()</pre>
<div class="block">Check whether this category is enabled for the info Level.
See also <a href="../../../../org/apache/log4j/Category.html#isDebugEnabled--"><code>Category.isDebugEnabled()</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#isInfoEnabled--">isInfoEnabled</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean - <code>true</code> if this category is enabled
for level info, <code>false</code> otherwise.</dd>
</dl>
</li>
</ul>
<a name="l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Throwable-">
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<h4>l7dlog</h4>
<pre>public void l7dlog(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority,
java.lang.String key,
java.lang.Throwable t)</pre>
<div class="block">Log a localized message. The user supplied parameter
<code>key</code> is replaced by its localized version from the
resource bundle.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Throwable-">l7dlog</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/log4j/Category.html#setResourceBundle-java.util.ResourceBundle-"><code>Category.setResourceBundle(java.util.ResourceBundle)</code></a></dd>
</dl>
</li>
</ul>
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<h4>l7dlog</h4>
<pre>public void l7dlog(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority,
java.lang.String key,
java.lang.Object[] params,
java.lang.Throwable t)</pre>
<div class="block">Log a localized and parameterized message. First, the user
supplied <code>key</code> is searched in the resource
bundle. Next, the resulting pattern is formatted using
<code>MessageFormat.format(String,Object[])</code> method with the
user supplied object array <code>params</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Object:A-java.lang.Throwable-">l7dlog</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
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<h4>log</h4>
<pre>public void log(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority,
java.lang.Object message,
java.lang.Throwable t)</pre>
<div class="block">This generic form is intended to be used by wrappers.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#log-org.apache.log4j.Priority-java.lang.Object-java.lang.Throwable-">log</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
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<h4>log</h4>
<pre>public void log(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority,
java.lang.Object message)</pre>
<div class="block">This generic form is intended to be used by wrappers.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#log-org.apache.log4j.Priority-java.lang.Object-">log</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
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<h4>log</h4>
<pre>public void log(java.lang.String callerFQCN,
<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> level,
java.lang.Object message,
java.lang.Throwable t)</pre>
<div class="block">This is the most generic printing method. It is intended to be
invoked by <b>wrapper</b> classes.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#log-java.lang.String-org.apache.log4j.Priority-java.lang.Object-java.lang.Throwable-">log</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>callerFQCN</code> - The wrapper class' fully qualified class name.</dd>
<dd><code>level</code> - The level of the logging request.</dd>
<dd><code>message</code> - The message of the logging request.</dd>
<dd><code>t</code> - The throwable of the logging request, may be null.</dd>
</dl>
</li>
</ul>
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<h4>removeAllAppenders</h4>
<pre>public void removeAllAppenders()</pre>
<div class="block">Remove all previously added appenders from this Category
instance.
<p>This is useful when re-reading configuration information.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html#removeAllAppenders--">removeAllAppenders</a></code> in interface <code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html" title="interface in org.apache.log4j.spi">AppenderAttachable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#removeAllAppenders--">removeAllAppenders</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
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<h4>removeAppender</h4>
<pre>public void removeAppender(<a href="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a> appender)</pre>
<div class="block">Remove the appender passed as parameter form the list of appenders.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html#removeAppender-org.apache.log4j.Appender-">removeAppender</a></code> in interface <code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html" title="interface in org.apache.log4j.spi">AppenderAttachable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#removeAppender-org.apache.log4j.Appender-">removeAppender</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
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<h4>removeAppender</h4>
<pre>public void removeAppender(java.lang.String name)</pre>
<div class="block">Remove the appender with the name passed as parameter form the
list of appenders.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html#removeAppender-java.lang.String-">removeAppender</a></code> in interface <code><a href="../../../../org/apache/log4j/spi/AppenderAttachable.html" title="interface in org.apache.log4j.spi">AppenderAttachable</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#removeAppender-java.lang.String-">removeAppender</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
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<a name="setLevel-org.apache.log4j.Level-">
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<h4>setLevel</h4>
<pre>public void setLevel(<a href="../../../../org/apache/log4j/Level.html" title="class in org.apache.log4j">Level</a> level)</pre>
<div class="block">Set the level of this Category. If you are passing any of
<code>Level.DEBUG</code>, <code>Level.INFO</code>,
<code>Level.WARN</code>, <code>Level.ERROR</code>,
<code>Level.FATAL</code> as a parameter, you need to case them as
Level.
<p>As in <pre> logger.setLevel((Level) Level.DEBUG); </pre>
<p>Null values are admitted.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#setLevel-org.apache.log4j.Level-">setLevel</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
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<h4>setPriority</h4>
<pre>public void setPriority(<a href="../../../../org/apache/log4j/Priority.html" title="class in org.apache.log4j">Priority</a> priority)</pre>
<div class="block">Set the level of this Category.
<p>Null values are admitted.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#setPriority-org.apache.log4j.Priority-">setPriority</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
</dl>
</li>
</ul>
<a name="setResourceBundle-java.util.ResourceBundle-">
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<h4>setResourceBundle</h4>
<pre>public void setResourceBundle(java.util.ResourceBundle bundle)</pre>
<div class="block">Set the resource bundle to be used with localized logging
methods <a href="../../../../org/apache/log4j/Category.html#l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Throwable-"><code>Category.l7dlog(Priority,String,Throwable)</code></a> and <a href="../../../../org/apache/log4j/Category.html#l7dlog-org.apache.log4j.Priority-java.lang.String-java.lang.Object:A-java.lang.Throwable-"><code>Category.l7dlog(Priority,String,Object[],Throwable)</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#setResourceBundle-java.util.ResourceBundle-">setResourceBundle</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
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<h4>warn</h4>
<pre>public void warn(java.lang.Object message)</pre>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#WARN"><code>WARN</code></a> Level.
<p>This method first checks if this category is <code>WARN</code>
enabled by comparing the level of this category with <a href="../../../../org/apache/log4j/Level.html#WARN"><code>WARN</code></a> Level. If the category is <code>WARN</code>
enabled, then it converts the message object passed as parameter
to a string by invoking the appropriate
<a href="../../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or"><code>ObjectRenderer</code></a>. It
proceeds to call all the registered appenders in this category and
also higher in the hieararchy depending on the value of the
additivity flag.
<p><b>WARNING</b> Note that passing a <code>Throwable</code> to this
method will print the name of the Throwable but no stack trace. To
print a stack trace use the <a href="../../../../org/apache/log4j/Category.html#warn-java.lang.Object-java.lang.Throwable-"><code>Category.warn(Object, Throwable)</code></a> form
instead. <p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#warn-java.lang.Object-">warn</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
</dl>
</li>
</ul>
<a name="warn-java.lang.Object-java.lang.Throwable-">
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<h4>warn</h4>
<pre>public void warn(java.lang.Object message,
java.lang.Throwable t)</pre>
<div class="block">Log a message with the <code>WARN</code> level including the
stack trace of the <code>Throwable</code> <code>t</code> passed as
parameter.
<p>See <a href="../../../../org/apache/log4j/Category.html#warn-java.lang.Object-"><code>Category.warn(Object)</code></a> for more detailed information.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Category.html#warn-java.lang.Object-java.lang.Throwable-">warn</a></code> in class <code><a href="../../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
<dd><code>t</code> - the exception to log, including its stack trace.</dd>
</dl>
</li>
</ul>
<a name="trace-java.lang.Object-">
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<h4>trace</h4>
<pre>public void trace(java.lang.Object message)</pre>
<div class="block">Log a message object with the <a href="../../../../org/apache/log4j/Level.html#TRACE"><code>TRACE</code></a> level.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Logger.html#trace-java.lang.Object-">trace</a></code> in class <code><a href="../../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/log4j/Category.html#debug-java.lang.Object-"><code>for an explanation of the logic applied.</code></a></dd>
</dl>
</li>
</ul>
<a name="trace-java.lang.Object-java.lang.Throwable-">
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<h4>trace</h4>
<pre>public void trace(java.lang.Object message,
java.lang.Throwable t)</pre>
<div class="block">Log a message object with the <code>TRACE</code> level including the
stack trace of the <code>Throwable</code><code>t</code> passed as parameter.
<p>
See <a href="../../../../org/apache/log4j/Category.html#debug-java.lang.Object-"><code>Category.debug(Object)</code></a> form for more detailed information.
</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Logger.html#trace-java.lang.Object-java.lang.Throwable-">trace</a></code> in class <code><a href="../../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message object to log.</dd>
<dd><code>t</code> - the exception to log, including its stack trace.</dd>
</dl>
</li>
</ul>
<a name="isTraceEnabled--">
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<h4>isTraceEnabled</h4>
<pre>public boolean isTraceEnabled()</pre>
<div class="block">Check whether this category is enabled for the TRACE Level.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/log4j/Logger.html#isTraceEnabled--">isTraceEnabled</a></code> in class <code><a href="../../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean - <code>true</code> if this category is enabled for level
TRACE, <code>false</code> otherwise.</dd>
</dl>
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