tclogparser.html
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TCLogParser (Apache JMeter API)
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org.apache.jmeter.protocol.http.util.accesslog</FONT>
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Class TCLogParser</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../../../resources/inherit.gif" ALT="extended by"><B>org.apache.jmeter.protocol.http.util.accesslog.TCLogParser</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/LogParser.html" title="interface in org.apache.jmeter.protocol.http.util.accesslog">LogParser</A></DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/SharedTCLogParser.html" title="class in org.apache.jmeter.protocol.http.util.accesslog">SharedTCLogParser</A></DD>
</DL>
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<DL>
<DT>public class <B>TCLogParser</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/LogParser.html" title="interface in org.apache.jmeter.protocol.http.util.accesslog">LogParser</A></DL>
<P>
Description:<br>
<br>
Currently the parser only handles GET/POST requests. It's easy enough to add
support for other request methods by changing checkMethod. The is a complete
rewrite of a tool I wrote for myself earlier. The older algorithm was basic
and did not provide the same level of flexibility I want, so I wrote a new
one using a totally new algorithm. This implementation reads one line at a
time using BufferedReader. When it gets to the end of the file and the
sampler needs to get more requests, the parser will re-initialize the
BufferedReader. The implementation uses StringTokenizer to create tokens.
<p>
The parse algorithm is the following:
<p>
<ol>
<li> cleans the entry by looking for backslash "\"
<li> looks to see if GET or POST is in the line
<li> tokenizes using quotes "
<li> finds the token with the request method
<li> gets the string of the token and tokenizes it using space
<li> finds the first token beginning with slash character
<li> tokenizes the string using question mark "?"
<li> get the path from the first token
<li> returns the second token and checks it for parameters
<li> tokenizes the string using ampersand "&"
<li> parses each token to name/value pairs
</ol>
<p>
Extending this class is fairly simple. Most access logs use the same format
starting from the request method. Therefore, changing the implementation of
cleanURL(string) method should be sufficient to support new log formats.
Tomcat uses common log format, so any webserver that uses the format should
work with this parser. Servers that are known to use non standard formats are
IIS and Netscape.
<p>
<P>
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<CODE>protected boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#decode">decode</A></B></CODE>
<BR>
by default, we probably should decode the parameter values</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#FILENAME">FILENAME</A></B></CODE>
<BR>
</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected <A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/Filter.html" title="interface in org.apache.jmeter.protocol.http.util.accesslog">Filter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#FILTER">FILTER</A></B></CODE>
<BR>
Handles to supporting classes</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#GET">GET</A></B></CODE>
<BR>
</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static org.apache.log.Logger</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#log">log</A></B></CODE>
<BR>
</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#POST">POST</A></B></CODE>
<BR>
</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/BufferedReader.html" title="class or interface in java.io">BufferedReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#READER">READER</A></B></CODE>
<BR>
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<CODE>protected <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#RMETHOD">RMETHOD</A></B></CODE>
<BR>
protected members *</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/io/File.html" title="class or interface in java.io">File</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#SOURCE">SOURCE</A></B></CODE>
<BR>
</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<CODE>protected <A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#URL_PATH">URL_PATH</A></B></CODE>
<BR>
The path to the access log file</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#useFILE">useFILE</A></B></CODE>
<BR>
</TD>
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<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#TCLogParser()">TCLogParser</A></B>()</CODE>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../../../org/apache/jmeter/protocol/http/util/accesslog/TCLogParser.html#TCLogParser(java.lang.String)">TCLogParser</A></B>(<A HREF="http://java.sun.com/j2se/1.4.2/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> source)</CODE>
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