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FileAppender (Apache Log4j 1.2.17 API)
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org.apache.log4j</FONT>
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Class FileAppender</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 "><A HREF="../../../org/apache/log4j/AppenderSkeleton.html" title="class in org.apache.log4j">org.apache.log4j.AppenderSkeleton</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">org.apache.log4j.WriterAppender</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.apache.log4j.FileAppender</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</A>, <A HREF="../../../org/apache/log4j/spi/OptionHandler.html" title="interface in org.apache.log4j.spi">OptionHandler</A></DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../org/apache/log4j/DailyRollingFileAppender.html" title="class in org.apache.log4j">DailyRollingFileAppender</A>, <A HREF="../../../org/apache/log4j/RollingFileAppender.html" title="class in org.apache.log4j">RollingFileAppender</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>FileAppender</B><DT>extends <A HREF="../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">WriterAppender</A></DL>
</PRE>
<P>
FileAppender appends log events to a file.
<p>Support for <code>java.io.Writer</code> and console appending
has been deprecated and then removed. See the replacement
solutions: <A HREF="../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j"><CODE>WriterAppender</CODE></A> and <A HREF="../../../org/apache/log4j/ConsoleAppender.html" title="class in org.apache.log4j"><CODE>ConsoleAppender</CODE></A>.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Ceki G&uuml;lc&uuml;</DD>
</DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<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>protected &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#bufferedIO">bufferedIO</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Do we do bufferedIO?</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#bufferSize">bufferSize</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Determines the size of IO buffer be.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#fileAppend">fileAppend</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Controls file truncatation.</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/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/FileAppender.html#fileName">fileName</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The name of the log file.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.apache.log4j.WriterAppender"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.log4j.<A HREF="../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">WriterAppender</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/apache/log4j/WriterAppender.html#encoding">encoding</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#immediateFlush">immediateFlush</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#qw">qw</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.apache.log4j.AppenderSkeleton"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.log4j.<A HREF="../../../org/apache/log4j/AppenderSkeleton.html" title="class in org.apache.log4j">AppenderSkeleton</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/apache/log4j/AppenderSkeleton.html#closed">closed</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#errorHandler">errorHandler</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#headFilter">headFilter</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#layout">layout</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#name">name</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#tailFilter">tailFilter</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#threshold">threshold</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#FileAppender()">FileAppender</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The default constructor does not do anything.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#FileAppender(org.apache.log4j.Layout, java.lang.String)">FileAppender</A></B>(<A HREF="../../../org/apache/log4j/Layout.html" title="class in org.apache.log4j">Layout</A>&nbsp;layout,
<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;filename)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Instantiate a FileAppender and open the file designated by
<code>filename</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#FileAppender(org.apache.log4j.Layout, java.lang.String, boolean)">FileAppender</A></B>(<A HREF="../../../org/apache/log4j/Layout.html" title="class in org.apache.log4j">Layout</A>&nbsp;layout,
<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;filename,
boolean&nbsp;append)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Instantiate a FileAppender and open the file designated by
<code>filename</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#FileAppender(org.apache.log4j.Layout, java.lang.String, boolean, boolean, int)">FileAppender</A></B>(<A HREF="../../../org/apache/log4j/Layout.html" title="class in org.apache.log4j">Layout</A>&nbsp;layout,
<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;filename,
boolean&nbsp;append,
boolean&nbsp;bufferedIO,
int&nbsp;bufferSize)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Instantiate a <code>FileAppender</code> and open the file
designated by <code>filename</code>.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A>
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<B>Method Summary</B></FONT></TH>
</TR>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#activateOptions()">activateOptions</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If the value of <b>File</b> is not <code>null</code>, then <A HREF="../../../org/apache/log4j/FileAppender.html#setFile(java.lang.String)"><CODE>setFile(java.lang.String)</CODE></A> is called with the values of <b>File</b> and
<b>Append</b> properties.</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/FileAppender.html#closeFile()">closeFile</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Closes the previously opened file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#getAppend()">getAppend</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the value of the <b>Append</b> option.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#getBufferedIO()">getBufferedIO</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the value of the <b>BufferedIO</b> option.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/apache/log4j/FileAppender.html#getBufferSize()">getBufferSize</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the size of the IO buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&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/FileAppender.html#getFile()">getFile</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the value of the <b>File</b> option.</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/FileAppender.html#reset()">reset</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Close any previously opened file and call the parent's
<code>reset</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/FileAppender.html#setAppend(boolean)">setAppend</A></B>(boolean&nbsp;flag)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <b>Append</b> option takes a boolean value.</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/FileAppender.html#setBufferedIO(boolean)">setBufferedIO</A></B>(boolean&nbsp;bufferedIO)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <b>BufferedIO</b> option takes a boolean value.</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/FileAppender.html#setBufferSize(int)">setBufferSize</A></B>(int&nbsp;bufferSize)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the size of the IO buffer.</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/FileAppender.html#setFile(java.lang.String)">setFile</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;file)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <b>File</b> property takes a string value which should be the
name of the file to append to.</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/FileAppender.html#setFile(java.lang.String, boolean, boolean, int)">setFile</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;fileName,
boolean&nbsp;append,
boolean&nbsp;bufferedIO,
int&nbsp;bufferSize)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets and <i>opens</i> the file where the log output will
go.</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/FileAppender.html#setQWForFiles(java.io.Writer)">setQWForFiles</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</A>&nbsp;writer)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the quiet writer being used.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.log4j.WriterAppender"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.log4j.<A HREF="../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">WriterAppender</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/apache/log4j/WriterAppender.html#append(org.apache.log4j.spi.LoggingEvent)">append</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#checkEntryConditions()">checkEntryConditions</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#close()">close</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#closeWriter()">closeWriter</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#createWriter(java.io.OutputStream)">createWriter</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#getEncoding()">getEncoding</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#getImmediateFlush()">getImmediateFlush</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#requiresLayout()">requiresLayout</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#setEncoding(java.lang.String)">setEncoding</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#setErrorHandler(org.apache.log4j.spi.ErrorHandler)">setErrorHandler</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#setImmediateFlush(boolean)">setImmediateFlush</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#setWriter(java.io.Writer)">setWriter</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#shouldFlush(org.apache.log4j.spi.LoggingEvent)">shouldFlush</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#subAppend(org.apache.log4j.spi.LoggingEvent)">subAppend</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#writeFooter()">writeFooter</A>, <A HREF="../../../org/apache/log4j/WriterAppender.html#writeHeader()">writeHeader</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.log4j.AppenderSkeleton"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.log4j.<A HREF="../../../org/apache/log4j/AppenderSkeleton.html" title="class in org.apache.log4j">AppenderSkeleton</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/apache/log4j/AppenderSkeleton.html#addFilter(org.apache.log4j.spi.Filter)">addFilter</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#clearFilters()">clearFilters</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#doAppend(org.apache.log4j.spi.LoggingEvent)">doAppend</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#finalize()">finalize</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#getErrorHandler()">getErrorHandler</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#getFilter()">getFilter</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#getFirstFilter()">getFirstFilter</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#getLayout()">getLayout</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#getName()">getName</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#getThreshold()">getThreshold</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#isAsSevereAsThreshold(org.apache.log4j.Priority)">isAsSevereAsThreshold</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#setLayout(org.apache.log4j.Layout)">setLayout</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#setName(java.lang.String)">setName</A>, <A HREF="../../../org/apache/log4j/AppenderSkeleton.html#setThreshold(org.apache.log4j.Priority)">setThreshold</A></CODE></TD>
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<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>
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<P>
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<B>Field Detail</B></FONT></TH>
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<A NAME="fileAppend"><!-- --></A><H3>
fileAppend</H3>
<PRE>
protected boolean <B>fileAppend</B></PRE>
<DL>
<DD>Controls file truncatation. The default value for this variable
is <code>true</code>, meaning that by default a
<code>FileAppender</code> will append to an existing file and not
truncate it.
<p>This option is meaningful only if the FileAppender opens the
file.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="fileName"><!-- --></A><H3>
fileName</H3>
<PRE>
protected <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>fileName</B></PRE>
<DL>
<DD>The name of the log file.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="bufferedIO"><!-- --></A><H3>
bufferedIO</H3>
<PRE>
protected boolean <B>bufferedIO</B></PRE>
<DL>
<DD>Do we do bufferedIO?
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="bufferSize"><!-- --></A><H3>
bufferSize</H3>
<PRE>
protected int <B>bufferSize</B></PRE>
<DL>
<DD>Determines the size of IO buffer be. Default is 8K.
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<B>Constructor Detail</B></FONT></TH>
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<A NAME="FileAppender()"><!-- --></A><H3>
FileAppender</H3>
<PRE>
public <B>FileAppender</B>()</PRE>
<DL>
<DD>The default constructor does not do anything.
<P>
</DL>
<HR>
<A NAME="FileAppender(org.apache.log4j.Layout, java.lang.String, boolean, boolean, int)"><!-- --></A><H3>
FileAppender</H3>
<PRE>
public <B>FileAppender</B>(<A HREF="../../../org/apache/log4j/Layout.html" title="class in org.apache.log4j">Layout</A>&nbsp;layout,
<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;filename,
boolean&nbsp;append,
boolean&nbsp;bufferedIO,
int&nbsp;bufferSize)
throws <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Instantiate a <code>FileAppender</code> and open the file
designated by <code>filename</code>. The opened filename will
become the output destination for this appender.
<p>If the <code>append</code> parameter is true, the file will be
appended to. Otherwise, the file designated by
<code>filename</code> will be truncated before being opened.
<p>If the <code>bufferedIO</code> parameter is <code>true</code>,
then buffered IO will be used to write to the output file.
<P>
<DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DL>
<HR>
<A NAME="FileAppender(org.apache.log4j.Layout, java.lang.String, boolean)"><!-- --></A><H3>
FileAppender</H3>
<PRE>
public <B>FileAppender</B>(<A HREF="../../../org/apache/log4j/Layout.html" title="class in org.apache.log4j">Layout</A>&nbsp;layout,
<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;filename,
boolean&nbsp;append)
throws <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Instantiate a FileAppender and open the file designated by
<code>filename</code>. The opened filename will become the output
destination for this appender.
<p>If the <code>append</code> parameter is true, the file will be
appended to. Otherwise, the file designated by
<code>filename</code> will be truncated before being opened.
<P>
<DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DL>
<HR>
<A NAME="FileAppender(org.apache.log4j.Layout, java.lang.String)"><!-- --></A><H3>
FileAppender</H3>
<PRE>
public <B>FileAppender</B>(<A HREF="../../../org/apache/log4j/Layout.html" title="class in org.apache.log4j">Layout</A>&nbsp;layout,
<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;filename)
throws <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Instantiate a FileAppender and open the file designated by
<code>filename</code>. The opened filename will become the output
destination for this appender.
<p>The file will be appended to.
<P>
<DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="setFile(java.lang.String)"><!-- --></A><H3>
setFile</H3>
<PRE>
public void <B>setFile</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;file)</PRE>
<DL>
<DD>The <b>File</b> property takes a string value which should be the
name of the file to append to.
<p><font color="#DD0044"><b>Note that the special values
"System.out" or "System.err" are no longer honored.</b></font>
<p>Note: Actual opening of the file is made when <A HREF="../../../org/apache/log4j/FileAppender.html#activateOptions()"><CODE>activateOptions()</CODE></A> is called, not when the options are set.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getAppend()"><!-- --></A><H3>
getAppend</H3>
<PRE>
public boolean <B>getAppend</B>()</PRE>
<DL>
<DD>Returns the value of the <b>Append</b> option.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getFile()"><!-- --></A><H3>
getFile</H3>
<PRE>
public <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>getFile</B>()</PRE>
<DL>
<DD>Returns the value of the <b>File</b> option.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="activateOptions()"><!-- --></A><H3>
activateOptions</H3>
<PRE>
public void <B>activateOptions</B>()</PRE>
<DL>
<DD>If the value of <b>File</b> is not <code>null</code>, then <A HREF="../../../org/apache/log4j/FileAppender.html#setFile(java.lang.String)"><CODE>setFile(java.lang.String)</CODE></A> is called with the values of <b>File</b> and
<b>Append</b> properties.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/apache/log4j/spi/OptionHandler.html#activateOptions()">activateOptions</A></CODE> in interface <CODE><A HREF="../../../org/apache/log4j/spi/OptionHandler.html" title="interface in org.apache.log4j.spi">OptionHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/apache/log4j/WriterAppender.html#activateOptions()">activateOptions</A></CODE> in class <CODE><A HREF="../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">WriterAppender</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Since:</B></DT>
<DD>0.8.1</DD>
</DL>
</DD>
</DL>
<HR>
<A NAME="closeFile()"><!-- --></A><H3>
closeFile</H3>
<PRE>
protected void <B>closeFile</B>()</PRE>
<DL>
<DD>Closes the previously opened file.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getBufferedIO()"><!-- --></A><H3>
getBufferedIO</H3>
<PRE>
public boolean <B>getBufferedIO</B>()</PRE>
<DL>
<DD>Get the value of the <b>BufferedIO</b> option.
<p>BufferedIO will significatnly increase performance on heavily
loaded systems.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getBufferSize()"><!-- --></A><H3>
getBufferSize</H3>
<PRE>
public int <B>getBufferSize</B>()</PRE>
<DL>
<DD>Get the size of the IO buffer.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setAppend(boolean)"><!-- --></A><H3>
setAppend</H3>
<PRE>
public void <B>setAppend</B>(boolean&nbsp;flag)</PRE>
<DL>
<DD>The <b>Append</b> option takes a boolean value. It is set to
<code>true</code> by default. If true, then <code>File</code>
will be opened in append mode by <A HREF="../../../org/apache/log4j/FileAppender.html#setFile(java.lang.String)"><CODE>setFile</CODE></A> (see
above). Otherwise, <A HREF="../../../org/apache/log4j/FileAppender.html#setFile(java.lang.String)"><CODE>setFile</CODE></A> will open
<code>File</code> in truncate mode.
<p>Note: Actual opening of the file is made when <A HREF="../../../org/apache/log4j/FileAppender.html#activateOptions()"><CODE>activateOptions()</CODE></A> is called, not when the options are set.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setBufferedIO(boolean)"><!-- --></A><H3>
setBufferedIO</H3>
<PRE>
public void <B>setBufferedIO</B>(boolean&nbsp;bufferedIO)</PRE>
<DL>
<DD>The <b>BufferedIO</b> option takes a boolean value. It is set to
<code>false</code> by default. If true, then <code>File</code>
will be opened and the resulting <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io"><CODE>Writer</CODE></A> wrapped
around a <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/BufferedWriter.html?is-external=true" title="class or interface in java.io"><CODE>BufferedWriter</CODE></A>.
BufferedIO will significatnly increase performance on heavily
loaded systems.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setBufferSize(int)"><!-- --></A><H3>
setBufferSize</H3>
<PRE>
public void <B>setBufferSize</B>(int&nbsp;bufferSize)</PRE>
<DL>
<DD>Set the size of the IO buffer.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setFile(java.lang.String, boolean, boolean, int)"><!-- --></A><H3>
setFile</H3>
<PRE>
public void <B>setFile</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;fileName,
boolean&nbsp;append,
boolean&nbsp;bufferedIO,
int&nbsp;bufferSize)
throws <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><p>Sets and <i>opens</i> the file where the log output will
go. The specified file must be writable.
<p>If there was already an opened file, then the previous file
is closed first.
<p><b>Do not use this method directly. To configure a FileAppender
or one of its subclasses, set its properties one by one and then
call activateOptions.</b>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>fileName</CODE> - The path to the log file.<DD><CODE>append</CODE> - If true will append to fileName. Otherwise will
truncate fileName.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="setQWForFiles(java.io.Writer)"><!-- --></A><H3>
setQWForFiles</H3>
<PRE>
protected void <B>setQWForFiles</B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</A>&nbsp;writer)</PRE>
<DL>
<DD>Sets the quiet writer being used.
This method is overriden by <A HREF="../../../org/apache/log4j/RollingFileAppender.html" title="class in org.apache.log4j"><CODE>RollingFileAppender</CODE></A>.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
protected void <B>reset</B>()</PRE>
<DL>
<DD>Close any previously opened file and call the parent's
<code>reset</code>.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/apache/log4j/WriterAppender.html#reset()">reset</A></CODE> in class <CODE><A HREF="../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">WriterAppender</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
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