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LogChute (Apache Velocity 1.6.1 API)
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org.apache.velocity.runtime.log</FONT>
<BR>
Interface LogChute</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/velocity/runtime/log/AvalonLogChute.html" title="class in org.apache.velocity.runtime.log">AvalonLogChute</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/AvalonLogSystem.html" title="class in org.apache.velocity.runtime.log">AvalonLogSystem</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/CommonsLogLogChute.html" title="class in org.apache.velocity.runtime.log">CommonsLogLogChute</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/JdkLogChute.html" title="class in org.apache.velocity.runtime.log">JdkLogChute</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/Log4JLogChute.html" title="class in org.apache.velocity.runtime.log">Log4JLogChute</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/Log4JLogSystem.html" title="class in org.apache.velocity.runtime.log">Log4JLogSystem</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/LogChuteSystem.html" title="class in org.apache.velocity.runtime.log">LogChuteSystem</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/NullLogChute.html" title="class in org.apache.velocity.runtime.log">NullLogChute</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/NullLogSystem.html" title="class in org.apache.velocity.runtime.log">NullLogSystem</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/PrimordialLogSystem.html" title="class in org.apache.velocity.runtime.log">PrimordialLogSystem</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/ServletLogChute.html" title="class in org.apache.velocity.runtime.log">ServletLogChute</A>, <A HREF="../../../../../org/apache/velocity/runtime/log/SystemLogChute.html" title="class in org.apache.velocity.runtime.log">SystemLogChute</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public interface <B>LogChute</B></DL>
</PRE>
<P>
Base interface that logging systems need to implement. This
is the blessed descendant of the old LogSystem interface.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>1.5</DD>
<DT><B>Version:</B></DT>
<DD>$Id: LogChute.java 685685 2008-08-13 21:43:27Z nbubna $</DD>
<DT><B>Author:</B></DT>
<DD><a href="mailto:jon@latchkey.com">Jon S. Stevens</a>, <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>, <a href="mailto:nbubna@apache.org">Nathan Bubna</a></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;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/velocity/runtime/log/LogChute.html#DEBUG_ID">DEBUG_ID</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ID for debug messages.</TD>
</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/velocity/runtime/log/LogChute.html#DEBUG_PREFIX">DEBUG_PREFIX</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prefix string for debug messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/velocity/runtime/log/LogChute.html#ERROR_ID">ERROR_ID</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ID for error messages.</TD>
</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/velocity/runtime/log/LogChute.html#ERROR_PREFIX">ERROR_PREFIX</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prefix string for error messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/velocity/runtime/log/LogChute.html#INFO_ID">INFO_ID</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ID for info messages.</TD>
</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/velocity/runtime/log/LogChute.html#INFO_PREFIX">INFO_PREFIX</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prefix string for info messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/velocity/runtime/log/LogChute.html#TRACE_ID">TRACE_ID</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ID for trace messages.</TD>
</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/velocity/runtime/log/LogChute.html#TRACE_PREFIX">TRACE_PREFIX</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prefix string for trace messages.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/velocity/runtime/log/LogChute.html#WARN_ID">WARN_ID</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ID for warning messages.</TD>
</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/velocity/runtime/log/LogChute.html#WARN_PREFIX">WARN_PREFIX</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prefix string for warn messages.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
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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/velocity/runtime/log/LogChute.html#init(org.apache.velocity.runtime.RuntimeServices)">init</A></B>(<A HREF="../../../../../org/apache/velocity/runtime/RuntimeServices.html" title="interface in org.apache.velocity.runtime">RuntimeServices</A>&nbsp;rs)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Initializes this LogChute.</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/velocity/runtime/log/LogChute.html#isLevelEnabled(int)">isLevelEnabled</A></B>(int&nbsp;level)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tell whether or not a log level is enabled.</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/velocity/runtime/log/LogChute.html#log(int, java.lang.String)">log</A></B>(int&nbsp;level,
<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;message)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Send a log message from Velocity.</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/velocity/runtime/log/LogChute.html#log(int, java.lang.String, java.lang.Throwable)">log</A></B>(int&nbsp;level,
<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;message,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A>&nbsp;t)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Send a log message from Velocity along with an exception or error</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="TRACE_PREFIX"><!-- --></A><H3>
TRACE_PREFIX</H3>
<PRE>
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>TRACE_PREFIX</B></PRE>
<DL>
<DD>Prefix string for trace messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.TRACE_PREFIX">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="DEBUG_PREFIX"><!-- --></A><H3>
DEBUG_PREFIX</H3>
<PRE>
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>DEBUG_PREFIX</B></PRE>
<DL>
<DD>Prefix string for debug messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.DEBUG_PREFIX">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="INFO_PREFIX"><!-- --></A><H3>
INFO_PREFIX</H3>
<PRE>
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>INFO_PREFIX</B></PRE>
<DL>
<DD>Prefix string for info messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.INFO_PREFIX">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="WARN_PREFIX"><!-- --></A><H3>
WARN_PREFIX</H3>
<PRE>
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>WARN_PREFIX</B></PRE>
<DL>
<DD>Prefix string for warn messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.WARN_PREFIX">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="ERROR_PREFIX"><!-- --></A><H3>
ERROR_PREFIX</H3>
<PRE>
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>ERROR_PREFIX</B></PRE>
<DL>
<DD>Prefix string for error messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.ERROR_PREFIX">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="TRACE_ID"><!-- --></A><H3>
TRACE_ID</H3>
<PRE>
static final int <B>TRACE_ID</B></PRE>
<DL>
<DD>ID for trace messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.TRACE_ID">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="DEBUG_ID"><!-- --></A><H3>
DEBUG_ID</H3>
<PRE>
static final int <B>DEBUG_ID</B></PRE>
<DL>
<DD>ID for debug messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.DEBUG_ID">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="INFO_ID"><!-- --></A><H3>
INFO_ID</H3>
<PRE>
static final int <B>INFO_ID</B></PRE>
<DL>
<DD>ID for info messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.INFO_ID">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="WARN_ID"><!-- --></A><H3>
WARN_ID</H3>
<PRE>
static final int <B>WARN_ID</B></PRE>
<DL>
<DD>ID for warning messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.WARN_ID">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="ERROR_ID"><!-- --></A><H3>
ERROR_ID</H3>
<PRE>
static final int <B>ERROR_ID</B></PRE>
<DL>
<DD>ID for error messages.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.velocity.runtime.log.LogChute.ERROR_ID">Constant Field Values</A></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Method Detail</B></FONT></TH>
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<A NAME="init(org.apache.velocity.runtime.RuntimeServices)"><!-- --></A><H3>
init</H3>
<PRE>
void <B>init</B>(<A HREF="../../../../../org/apache/velocity/runtime/RuntimeServices.html" title="interface in org.apache.velocity.runtime">RuntimeServices</A>&nbsp;rs)
throws <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE>
<DL>
<DD>Initializes this LogChute.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rs</CODE> -
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="log(int, java.lang.String)"><!-- --></A><H3>
log</H3>
<PRE>
void <B>log</B>(int&nbsp;level,
<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;message)</PRE>
<DL>
<DD>Send a log message from Velocity.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>level</CODE> - <DD><CODE>message</CODE> - </DL>
</DD>
</DL>
<HR>
<A NAME="log(int, java.lang.String, java.lang.Throwable)"><!-- --></A><H3>
log</H3>
<PRE>
void <B>log</B>(int&nbsp;level,
<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;message,
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A>&nbsp;t)</PRE>
<DL>
<DD>Send a log message from Velocity along with an exception or error
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>level</CODE> - <DD><CODE>message</CODE> - <DD><CODE>t</CODE> - </DL>
</DD>
</DL>
<HR>
<A NAME="isLevelEnabled(int)"><!-- --></A><H3>
isLevelEnabled</H3>
<PRE>
boolean <B>isLevelEnabled</B>(int&nbsp;level)</PRE>
<DL>
<DD>Tell whether or not a log level is enabled.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>level</CODE> -
<DT><B>Returns:</B><DD>True if a level is enabled.</DL>
</DD>
</DL>
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