log4j-1.2.17/.svn/pristine/1f/1fdf835b53e7e9f4c65a2c470d6fa094b73023e6.svn-base - logging-log4j-site - Git at Google

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 PropertyConfigurator (Apache Log4j 1.2.17 API)
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 <FONT SIZE="-1">
 org.apache.log4j</FONT>
 <BR>
 Class PropertyConfigurator</H2>
 <PRE>
 <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
   <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.apache.log4j.PropertyConfigurator</B>
 </PRE>
 <DL>
 <DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../org/apache/log4j/spi/Configurator.html" title="interface in org.apache.log4j.spi">Configurator</A></DD>
 </DL>
 <HR>
 <DL>
 <DT><PRE>public class <B>PropertyConfigurator</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../org/apache/log4j/spi/Configurator.html" title="interface in org.apache.log4j.spi">Configurator</A></DL>
 </PRE>

 <P>
 Allows the configuration of log4j from an external file.  See
    <b><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#doConfigure(java.lang.String, org.apache.log4j.spi.LoggerRepository)"><CODE>doConfigure(String, LoggerRepository)</CODE></A></b> for the
    expected format.

    <p>It is sometimes useful to see how log4j is reading configuration
    files. You can enable log4j internal logging by defining the
    <b>log4j.debug</b> variable.

    <P>As of log4j version 0.8.5, at class initialization time class,
    the file <b>log4j.properties</b> will be searched from the search
    path used to load classes. If the file can be found, then it will
    be fed to the <A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configure(java.net.URL)"><CODE>configure(java.net.URL)</CODE></A>
    method.

    <p>The <code>PropertyConfigurator</code> does not handle the
    advanced configuration features supported by the <A HREF="../../../org/apache/log4j/xml/DOMConfigurator.html" title="class in org.apache.log4j.xml"><CODE>DOMConfigurator</CODE></A> such as
    support custom <A HREF="../../../org/apache/log4j/spi/ErrorHandler.html" title="interface in org.apache.log4j.spi"><CODE>ErrorHandlers</CODE></A>,
    nested appenders such as the <A HREF="../../../org/apache/log4j/AsyncAppender.html" title="class in org.apache.log4j"><CODE>AsyncAppender</CODE></A>, etc.

    <p>All option <em>values</em> admit variable substitution. The
    syntax of variable substitution is similar to that of Unix
    shells. The string between an opening <b>&quot;${&quot;</b> and
    closing <b>&quot;}&quot;</b> is interpreted as a key. The value of
    the substituted variable can be defined as a system property or in
    the configuration file itself. The value of the key is first
    searched in the system properties, and if not found there, it is
    then searched in the configuration file being parsed.  The
    corresponding value replaces the ${variableName} sequence. For
    example, if <code>java.home</code> system property is set to
    <code>/home/xyz</code>, then every occurrence of the sequence
    <code>${java.home}</code> will be interpreted as
    <code>/home/xyz</code>.
 <P>

 <P>
 <DL>
 <DT><B>Since:</B></DT>
   <DD>0.8.1</DD>
 <DT><B>Author:</B></DT>
   <DD>Ceki G&uuml;lc&uuml;, Anders Kristensen</DD>
 </DL>
 <HR>

 <P>
 <!-- =========== FIELD SUMMARY =========== -->

 <A NAME="field_summary"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 <B>Field Summary</B></FONT></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>static&nbsp;<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#LOGGER_FACTORY_KEY">LOGGER_FACTORY_KEY</A></B></CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Key for specifying the <A HREF="../../../org/apache/log4j/spi/LoggerFactory.html" title="interface in org.apache.log4j.spi"><CODE>LoggerFactory</CODE></A>.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>protected &nbsp;<A HREF="../../../org/apache/log4j/spi/LoggerFactory.html" title="interface in org.apache.log4j.spi">LoggerFactory</A></CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#loggerFactory">loggerFactory</A></B></CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</A></CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#registry">registry</A></B></CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Used internally to keep track of configured appenders.</TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="fields_inherited_from_class_org.apache.log4j.spi.Configurator"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Fields inherited from interface org.apache.log4j.spi.<A HREF="../../../org/apache/log4j/spi/Configurator.html" title="interface in org.apache.log4j.spi">Configurator</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="../../../org/apache/log4j/spi/Configurator.html#INHERITED">INHERITED</A>, <A HREF="../../../org/apache/log4j/spi/Configurator.html#NULL">NULL</A></CODE></TD>
 </TR>
 </TABLE>
 &nbsp;
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->

 <A NAME="constructor_summary"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 <B>Constructor Summary</B></FONT></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#PropertyConfigurator()">PropertyConfigurator</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 </TR>
 </TABLE>
 &nbsp;
 <!-- ========== METHOD SUMMARY =========== -->

 <A NAME="method_summary"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 <B>Method Summary</B></FONT></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>static&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configure(java.io.InputStream)">configure</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;inputStream)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reads configuration options from an InputStream.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>static&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configure(java.util.Properties)">configure</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A>&nbsp;properties)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read configuration options from <code>properties</code>.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>static&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configure(java.lang.String)">configure</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;configFilename)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>static&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configure(java.net.URL)">configure</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A>&nbsp;configURL)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read configuration options from url <code>configURL</code>.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>static&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configureAndWatch(java.lang.String)">configureAndWatch</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;configFilename)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Like <A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configureAndWatch(java.lang.String, long)"><CODE>configureAndWatch(String, long)</CODE></A> except that the
      default delay as defined by <A HREF="../../../org/apache/log4j/helpers/FileWatchdog.html#DEFAULT_DELAY"><CODE>FileWatchdog.DEFAULT_DELAY</CODE></A> is
      used.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>static&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configureAndWatch(java.lang.String, long)">configureAndWatch</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;configFilename,
                   long&nbsp;delay)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read the configuration file <code>configFilename</code> if it
      exists.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>protected &nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configureLoggerFactory(java.util.Properties)">configureLoggerFactory</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A>&nbsp;props)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check the provided <code>Properties</code> object for a
      <A HREF="../../../org/apache/log4j/spi/LoggerFactory.html" title="interface in org.apache.log4j.spi"><CODE>LoggerFactory</CODE></A>
      entry specified by <A HREF="../../../org/apache/log4j/PropertyConfigurator.html#LOGGER_FACTORY_KEY"><CODE>LOGGER_FACTORY_KEY</CODE></A>.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#doConfigure(java.io.InputStream, org.apache.log4j.spi.LoggerRepository)">doConfigure</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;inputStream,
             <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read configuration options from url <code>configURL</code>.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#doConfigure(java.util.Properties, org.apache.log4j.spi.LoggerRepository)">doConfigure</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A>&nbsp;properties,
             <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read configuration options from <code>properties</code>.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#doConfigure(java.lang.String, org.apache.log4j.spi.LoggerRepository)">doConfigure</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;configFileName,
             <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read configuration from a file.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#doConfigure(java.net.URL, org.apache.log4j.spi.LoggerRepository)">doConfigure</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A>&nbsp;configURL,
             <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Read configuration options from url <code>configURL</code>.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>protected &nbsp;void</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#parseCatsAndRenderers(java.util.Properties, org.apache.log4j.spi.LoggerRepository)">parseCatsAndRenderers</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A>&nbsp;props,
                       <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Parse non-root elements, such non-root categories and renderers.</TD>
 </TR>
 </TABLE>
 &nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
 </TR>
 </TABLE>
 &nbsp;
 <P>

 <!-- ============ FIELD DETAIL =========== -->

 <A NAME="field_detail"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
 <B>Field Detail</B></FONT></TH>
 </TR>
 </TABLE>

 <A NAME="registry"><!-- --></A><H3>
 registry</H3>
 <PRE>
 protected <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</A> <B>registry</B></PRE>
 <DL>
 <DD>Used internally to keep track of configured appenders.
 <P>
 <DL>
 </DL>
 </DL>
 <HR>

 <A NAME="loggerFactory"><!-- --></A><H3>
 loggerFactory</H3>
 <PRE>
 protected <A HREF="../../../org/apache/log4j/spi/LoggerFactory.html" title="interface in org.apache.log4j.spi">LoggerFactory</A> <B>loggerFactory</B></PRE>
 <DL>
 <DL>
 </DL>
 </DL>
 <HR>

 <A NAME="LOGGER_FACTORY_KEY"><!-- --></A><H3>
 LOGGER_FACTORY_KEY</H3>
 <PRE>
 public static final <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>LOGGER_FACTORY_KEY</B></PRE>
 <DL>
 <DD>Key for specifying the <A HREF="../../../org/apache/log4j/spi/LoggerFactory.html" title="interface in org.apache.log4j.spi"><CODE>LoggerFactory</CODE></A>.  Currently set to "<code>log4j.loggerFactory</code>".
 <P>
 <DL>
 <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.apache.log4j.PropertyConfigurator.LOGGER_FACTORY_KEY">Constant Field Values</A></DL>
 </DL>

 <!-- ========= CONSTRUCTOR DETAIL ======== -->

 <A NAME="constructor_detail"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
 <B>Constructor Detail</B></FONT></TH>
 </TR>
 </TABLE>

 <A NAME="PropertyConfigurator()"><!-- --></A><H3>
 PropertyConfigurator</H3>
 <PRE>
 public <B>PropertyConfigurator</B>()</PRE>
 <DL>
 </DL>

 <!-- ============ METHOD DETAIL ========== -->

 <A NAME="method_detail"><!-- --></A>
 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
 <B>Method Detail</B></FONT></TH>
 </TR>
 </TABLE>

 <A NAME="doConfigure(java.lang.String, org.apache.log4j.spi.LoggerRepository)"><!-- --></A><H3>
 doConfigure</H3>
 <PRE>
 public void <B>doConfigure</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;configFileName,
                         <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</PRE>
 <DL>
 <DD>Read configuration from a file. <b>The existing configuration is
     not cleared nor reset.</b> If you require a different behavior,
     then call <A HREF="../../../org/apache/log4j/LogManager.html#resetConfiguration()"><CODE>resetConfiguration</CODE></A> method before calling
     <code>doConfigure</code>.

     <p>The configuration file consists of statements in the format
     <code>key=value</code>. The syntax of different configuration
     elements are discussed below.

     <h3>Repository-wide threshold</h3>

     <p>The repository-wide threshold filters logging requests by level
     regardless of logger. The syntax is:

     <pre>
     log4j.threshold=[level]
     </pre>

     <p>The level value can consist of the string values OFF, FATAL,
     ERROR, WARN, INFO, DEBUG, ALL or a <em>custom level</em> value. A
     custom level value can be specified in the form
     level#classname. By default the repository-wide threshold is set
     to the lowest possible value, namely the level <code>ALL</code>.
     </p>


     <h3>Appender configuration</h3>

     <p>Appender configuration syntax is:
     <pre>
     # For appender named <i>appenderName</i>, set its class.
     # Note: The appender name can contain dots.
     log4j.appender.appenderName=fully.qualified.name.of.appender.class

     # Set appender specific options.
     log4j.appender.appenderName.option1=value1
     ...
     log4j.appender.appenderName.optionN=valueN
     </pre>

     For each named appender you can configure its <A HREF="../../../org/apache/log4j/Layout.html" title="class in org.apache.log4j"><CODE>Layout</CODE></A>. The
     syntax for configuring an appender's layout is:
     <pre>
     log4j.appender.appenderName.layout=fully.qualified.name.of.layout.class
     log4j.appender.appenderName.layout.option1=value1
     ....
     log4j.appender.appenderName.layout.optionN=valueN
     </pre>

     The syntax for adding <A HREF="../../../org/apache/log4j/spi/Filter.html" title="class in org.apache.log4j.spi"><CODE>Filter</CODE></A>s to an appender is:
     <pre>
     log4j.appender.appenderName.filter.ID=fully.qualified.name.of.filter.class
     log4j.appender.appenderName.filter.ID.option1=value1
     ...
     log4j.appender.appenderName.filter.ID.optionN=valueN
     </pre>
     The first line defines the class name of the filter identified by ID;
     subsequent lines with the same ID specify filter option - value
     paris. Multiple filters are added to the appender in the lexicographic
     order of IDs.

     The syntax for adding an <A HREF="../../../org/apache/log4j/spi/ErrorHandler.html" title="interface in org.apache.log4j.spi"><CODE>ErrorHandler</CODE></A> to an appender is:
     <pre>
     log4j.appender.appenderName.errorhandler=fully.qualified.name.of.filter.class
     log4j.appender.appenderName.errorhandler.root-ref={true|false}
     log4j.appender.appenderName.errorhandler.logger-ref=loggerName
     log4j.appender.appenderName.errorhandler.appender-ref=appenderName
     log4j.appender.appenderName.errorhandler.option1=value1
     ...
     log4j.appender.appenderName.errorhandler.optionN=valueN
     </pre>

     <h3>Configuring loggers</h3>

     <p>The syntax for configuring the root logger is:
     <pre>
       log4j.rootLogger=[level], appenderName, appenderName, ...
     </pre>

     <p>This syntax means that an optional <em>level</em> can be
     supplied followed by appender names separated by commas.

     <p>The level value can consist of the string values OFF, FATAL,
     ERROR, WARN, INFO, DEBUG, ALL or a <em>custom level</em> value. A
     custom level value can be specified in the form
     <code>level#classname</code>.

     <p>If a level value is specified, then the root level is set
     to the corresponding level.  If no level value is specified,
     then the root level remains untouched.

     <p>The root logger can be assigned multiple appenders.

     <p>Each <i>appenderName</i> (separated by commas) will be added to
     the root logger. The named appender is defined using the
     appender syntax defined above.

     <p>For non-root categories the syntax is almost the same:
     <pre>
     log4j.logger.logger_name=[level|INHERITED|NULL], appenderName, appenderName, ...
     </pre>

     <p>The meaning of the optional level value is discussed above
     in relation to the root logger. In addition however, the value
     INHERITED can be specified meaning that the named logger should
     inherit its level from the logger hierarchy.

     <p>If no level value is supplied, then the level of the
     named logger remains untouched.

     <p>By default categories inherit their level from the
     hierarchy. However, if you set the level of a logger and later
     decide that that logger should inherit its level, then you should
     specify INHERITED as the value for the level value. NULL is a
     synonym for INHERITED.

     <p>Similar to the root logger syntax, each <i>appenderName</i>
     (separated by commas) will be attached to the named logger.

     <p>See the <a href="../../../../manual.html#additivity">appender
     additivity rule</a> in the user manual for the meaning of the
     <code>additivity</code> flag.

     <h3>ObjectRenderers</h3>

     You can customize the way message objects of a given type are
     converted to String before being logged. This is done by
     specifying an <A HREF="../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or"><CODE>ObjectRenderer</CODE></A>
     for the object type would like to customize.

     <p>The syntax is:

     <pre>
     log4j.renderer.fully.qualified.name.of.rendered.class=fully.qualified.name.of.rendering.class
     </pre>

     As in,
     <pre>
     log4j.renderer.my.Fruit=my.FruitRenderer
     </pre>

    <h3>ThrowableRenderer</h3>

    You can customize the way an instance of Throwable is
    converted to String before being logged. This is done by
    specifying an <A HREF="../../../org/apache/log4j/spi/ThrowableRenderer.html" title="interface in org.apache.log4j.spi"><CODE>ThrowableRenderer</CODE></A>.

    <p>The syntax is:

    <pre>
    log4j.throwableRenderer=fully.qualified.name.of.rendering.class
    log4j.throwableRenderer.paramName=paramValue
    </pre>

    As in,
    <pre>
    log4j.throwableRenderer=org.apache.log4j.EnhancedThrowableRenderer
    </pre>

     <h3>Logger Factories</h3>

     The usage of custom logger factories is discouraged and no longer
     documented.

     <h3>Resetting Hierarchy</h3>

     The hierarchy will be reset before configuration when
     log4j.reset=true is present in the properties file.

     <h3>Example</h3>

     <p>An example configuration is given below. Other configuration
     file examples are given in the <code>examples</code> folder.

     <pre>

     # Set options for appender named "A1".
     # Appender "A1" will be a SyslogAppender
     log4j.appender.A1=org.apache.log4j.net.SyslogAppender

     # The syslog daemon resides on www.abc.net
     log4j.appender.A1.SyslogHost=www.abc.net

     # A1's layout is a PatternLayout, using the conversion pattern
     # <b>%r %-5p %c{2} %M.%L %x - %m\n</b>. Thus, the log output will
     # include # the relative time since the start of the application in
     # milliseconds, followed by the level of the log request,
     # followed by the two rightmost components of the logger name,
     # followed by the callers method name, followed by the line number,
     # the nested disgnostic context and finally the message itself.
     # Refer to the documentation of <A HREF="../../../org/apache/log4j/PatternLayout.html" title="class in org.apache.log4j"><CODE>PatternLayout</CODE></A> for further information
     # on the syntax of the ConversionPattern key.
     log4j.appender.A1.layout=org.apache.log4j.PatternLayout
     log4j.appender.A1.layout.ConversionPattern=%-4r %-5p %c{2} %M.%L %x - %m\n

     # Set options for appender named "A2"
     # A2 should be a RollingFileAppender, with maximum file size of 10 MB
     # using at most one backup file. A2's layout is TTCC, using the
     # ISO8061 date format with context printing enabled.
     log4j.appender.A2=org.apache.log4j.RollingFileAppender
     log4j.appender.A2.MaxFileSize=10MB
     log4j.appender.A2.MaxBackupIndex=1
     log4j.appender.A2.layout=org.apache.log4j.TTCCLayout
     log4j.appender.A2.layout.ContextPrinting=enabled
     log4j.appender.A2.layout.DateFormat=ISO8601

     # Root logger set to DEBUG using the A2 appender defined above.
     log4j.rootLogger=DEBUG, A2

     # Logger definitions:
     # The SECURITY logger inherits is level from root. However, it's output
     # will go to A1 appender defined above. It's additivity is non-cumulative.
     log4j.logger.SECURITY=INHERIT, A1
     log4j.additivity.SECURITY=false

     # Only warnings or above will be logged for the logger "SECURITY.access".
     # Output will go to A1.
     log4j.logger.SECURITY.access=WARN


     # The logger "class.of.the.day" inherits its level from the
     # logger hierarchy.  Output will go to the appender's of the root
     # logger, A2 in this case.
     log4j.logger.class.of.the.day=INHERIT
     </pre>

     <p>Refer to the <b>setOption</b> method in each Appender and
     Layout for class specific options.

     <p>Use the <code>#</code> or <code>!</code> characters at the
     beginning of a line for comments.

    <p>
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>configFileName</CODE> - The name of the configuration file where the
    configuration information is stored.</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="configure(java.lang.String)"><!-- --></A><H3>
 configure</H3>
 <PRE>
 public static void <B>configure</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;configFilename)</PRE>
 <DL>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 </DL>
 </DD>
 </DL>
 <HR>

 <A NAME="configure(java.net.URL)"><!-- --></A><H3>
 configure</H3>
 <PRE>
 public static void <B>configure</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A>&nbsp;configURL)</PRE>
 <DL>
 <DD>Read configuration options from url <code>configURL</code>.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Since:</B></DT>
   <DD>0.8.2</DD>
 </DL>
 </DD>
 </DL>
 <HR>

 <A NAME="configure(java.io.InputStream)"><!-- --></A><H3>
 configure</H3>
 <PRE>
 public static void <B>configure</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;inputStream)</PRE>
 <DL>
 <DD>Reads configuration options from an InputStream.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Since:</B></DT>
   <DD>1.2.17</DD>
 </DL>
 </DD>
 </DL>
 <HR>

 <A NAME="configure(java.util.Properties)"><!-- --></A><H3>
 configure</H3>
 <PRE>
 public static void <B>configure</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A>&nbsp;properties)</PRE>
 <DL>
 <DD>Read configuration options from <code>properties</code>.

      See <A HREF="../../../org/apache/log4j/PropertyConfigurator.html#doConfigure(java.lang.String, org.apache.log4j.spi.LoggerRepository)"><CODE>doConfigure(String, LoggerRepository)</CODE></A> for the expected format.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 </DL>
 </DD>
 </DL>
 <HR>

 <A NAME="configureAndWatch(java.lang.String)"><!-- --></A><H3>
 configureAndWatch</H3>
 <PRE>
 public static void <B>configureAndWatch</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;configFilename)</PRE>
 <DL>
 <DD>Like <A HREF="../../../org/apache/log4j/PropertyConfigurator.html#configureAndWatch(java.lang.String, long)"><CODE>configureAndWatch(String, long)</CODE></A> except that the
      default delay as defined by <A HREF="../../../org/apache/log4j/helpers/FileWatchdog.html#DEFAULT_DELAY"><CODE>FileWatchdog.DEFAULT_DELAY</CODE></A> is
      used.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>configFilename</CODE> - A file in key=value format.</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="configureAndWatch(java.lang.String, long)"><!-- --></A><H3>
 configureAndWatch</H3>
 <PRE>
 public static void <B>configureAndWatch</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;configFilename,
                                      long&nbsp;delay)</PRE>
 <DL>
 <DD>Read the configuration file <code>configFilename</code> if it
      exists. Moreover, a thread will be created that will periodically
      check if <code>configFilename</code> has been created or
      modified. The period is determined by the <code>delay</code>
      argument. If a change or file creation is detected, then
      <code>configFilename</code> is read to configure log4j.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>configFilename</CODE> - A file in key=value format.<DD><CODE>delay</CODE> - The delay in milliseconds to wait between each check.</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="doConfigure(java.util.Properties, org.apache.log4j.spi.LoggerRepository)"><!-- --></A><H3>
 doConfigure</H3>
 <PRE>
 public void <B>doConfigure</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A>&nbsp;properties,
                         <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</PRE>
 <DL>
 <DD>Read configuration options from <code>properties</code>.

      See <A HREF="../../../org/apache/log4j/PropertyConfigurator.html#doConfigure(java.lang.String, org.apache.log4j.spi.LoggerRepository)"><CODE>doConfigure(String, LoggerRepository)</CODE></A> for the expected format.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 </DL>
 </DD>
 </DL>
 <HR>

 <A NAME="doConfigure(java.io.InputStream, org.apache.log4j.spi.LoggerRepository)"><!-- --></A><H3>
 doConfigure</H3>
 <PRE>
 public void <B>doConfigure</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;inputStream,
                         <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</PRE>
 <DL>
 <DD>Read configuration options from url <code>configURL</code>.
 <P>
 <DD><DL>
 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/apache/log4j/spi/Configurator.html#doConfigure(java.io.InputStream, org.apache.log4j.spi.LoggerRepository)">doConfigure</A></CODE> in interface <CODE><A HREF="../../../org/apache/log4j/spi/Configurator.html" title="interface in org.apache.log4j.spi">Configurator</A></CODE></DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>inputStream</CODE> - The InputStream to parse<DD><CODE>hierarchy</CODE> - The hierarchy to operation upon.<DT><B>Since:</B></DT>
   <DD>1.2.17</DD>
 </DL>
 </DD>
 </DL>
 <HR>

 <A NAME="doConfigure(java.net.URL, org.apache.log4j.spi.LoggerRepository)"><!-- --></A><H3>
 doConfigure</H3>
 <PRE>
 public void <B>doConfigure</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A>&nbsp;configURL,
                         <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</PRE>
 <DL>
 <DD>Read configuration options from url <code>configURL</code>.
 <P>
 <DD><DL>
 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/apache/log4j/spi/Configurator.html#doConfigure(java.net.URL, org.apache.log4j.spi.LoggerRepository)">doConfigure</A></CODE> in interface <CODE><A HREF="../../../org/apache/log4j/spi/Configurator.html" title="interface in org.apache.log4j.spi">Configurator</A></CODE></DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>configURL</CODE> - The URL to parse<DD><CODE>hierarchy</CODE> - The hierarchy to operation upon.</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="configureLoggerFactory(java.util.Properties)"><!-- --></A><H3>
 configureLoggerFactory</H3>
 <PRE>
 protected void <B>configureLoggerFactory</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A>&nbsp;props)</PRE>
 <DL>
 <DD>Check the provided <code>Properties</code> object for a
      <A HREF="../../../org/apache/log4j/spi/LoggerFactory.html" title="interface in org.apache.log4j.spi"><CODE>LoggerFactory</CODE></A>
      entry specified by <A HREF="../../../org/apache/log4j/PropertyConfigurator.html#LOGGER_FACTORY_KEY"><CODE>LOGGER_FACTORY_KEY</CODE></A>.  If such an entry
      exists, an attempt is made to create an instance using the default
      constructor.  This instance is used for subsequent Category creations
      within this configurator.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 <DT><B>See Also:</B><DD><A HREF="../../../org/apache/log4j/PropertyConfigurator.html#parseCatsAndRenderers(java.util.Properties, org.apache.log4j.spi.LoggerRepository)"><CODE>parseCatsAndRenderers(java.util.Properties, org.apache.log4j.spi.LoggerRepository)</CODE></A></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="parseCatsAndRenderers(java.util.Properties, org.apache.log4j.spi.LoggerRepository)"><!-- --></A><H3>
 parseCatsAndRenderers</H3>
 <PRE>
 protected void <B>parseCatsAndRenderers</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</A>&nbsp;props,
                                      <A HREF="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</A>&nbsp;hierarchy)</PRE>
 <DL>
 <DD>Parse non-root elements, such non-root categories and renderers.
 <P>
 <DD><DL>
 </DL>
 </DD>
 <DD><DL>
 </DL>
 </DD>
 </DL>
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