dleslie 00/10/20 05:52:03
Added: java/samples/Trace foo.xml foo.xsl Trace.java
Log:
Added TraceListener and stylesheet PI samples.
Revision Changes Path
1.1 xml-xalan/java/samples/Trace/foo.xml
Index: foo.xml
===================================================================
<upload>
<day>
<dow>tue</dow>
<order>
<line>
<product>Belt</product>
<price>5.54</price>
</line>
</order>
</day>
<day>
<dow>wed</dow>
</day>
<day>
<dow>thu</dow>
<order>
<line>
<product>Boots</product>
<price>9.23</price>
</line>
</order>
</day>
<day>
<dow>fri</dow>
<order>
</order>
<order>
</order>
</day>
<day>
<dow>sat</dow>
<order>
<line>
<product>Jacket</product>
<price>9.84</price>
</line>
</order>
</day>
<day>
<dow>mon</dow>
<order>
</order>
<order>
<line>
<product>Tie</product>
<price>5.37</price>
</line>
</order>
</day>
<day>
<dow>tue</dow>
</day>
<day>
<dow>wed</dow>
<order>
</order>
</day>
<day>
<dow>thu</dow>
<order>
<line>
<product>Overalls</product>
<price>3.16</price>
</line>
</order>
</day>
</upload>
1.1 xml-xalan/java/samples/Trace/foo.xsl
Index: foo.xsl
===================================================================
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0"
xmlns="http://www.w3.org/TR/REC-html40";>
<!-- FileName: misc-evans -->
<!-- Document: http://www.w3.org/TR/xslt -->
<!-- DocVersion: 19991116 -->
<!-- Purpose: COPY of perf test;"A Practical Suggestion for XSLT
Performance Improvement" by Clark Evans. -->
<xsl:variable name="day-list"
select="//dow[not(.=following::dow)]" />
<xsl:variable name="product-list"
select="//product[not(.=following::product)]" />
<xsl:template match="/">
<xsl:variable name="my-test"><a><b/></a></xsl:variable>
<html>
<xsl:copy-of select="$my-test"/>
<body>
<table>
<tr>
<td><xsl:text> </xsl:text></td>
<xsl:for-each select="$day-list">
<xsl:sort order="ascending" select="." />
<th><xsl:value-of select="."/></th>
</xsl:for-each>
</tr>
<xsl:for-each select="$product-list">
<xsl:sort order="ascending" select="." />
<xsl:variable name="product" select="." />
<tr>
<td>
<xsl:value-of select="$product" />
</td>
<xsl:for-each select="$day-list">
<xsl:sort order="ascending" select="." />
<xsl:variable name="day" select="." />
<td>
<xsl:value-of
select="sum(//price[../product=$product][../../../dow=$day])"
/> .
</td>
</xsl:for-each>
<td>
<xsl:value-of
select="sum(//price[../product=$product])" /> .
</td>
</tr>
</xsl:for-each>
<tr>
<td><xsl:text> </xsl:text></td>
<xsl:for-each select="$day-list">
<xsl:sort order="ascending" select="." />
<xsl:variable name="day" select="." />
<td>
<xsl:value-of
select="sum(//price[../../../dow=$day])" />
</td>
</xsl:for-each>
<td>
<xsl:value-of select="sum(//price)" />
</td>
</tr>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
1.1 xml-xalan/java/samples/Trace/Trace.java
Index: Trace.java
===================================================================
import org.apache.xalan.transformer.TransformerImpl;
import org.apache.xalan.trace.TraceManager;
import org.apache.xalan.trace.PrintTraceListener;
public class Trace
{
public static void main (String[] args)
throws java.io.IOException,
org.apache.trax.TransformException,
org.apache.trax.ProcessorException,
java.util.TooManyListenersException,
org.xml.sax.SAXException
{
// Set up a PrintTraceListener object to print to a file.
java.io.FileWriter fw = new java.io.FileWriter("events.log");
java.io.PrintWriter pw = new java.io.PrintWriter(fw, true);
PrintTraceListener ptl = new PrintTraceListener(pw);
// Print information as each node is 'executed' in the stylesheet.
ptl.m_traceElements = true;
// Print information after each result-tree generation event.
ptl.m_traceGeneration = true;
// Print information after each selection event.
ptl.m_traceSelection = true;
// Print information whenever a template is invoked.
ptl.m_traceTemplates = true;
// Set up the transformation
org.apache.trax.Processor processor =
org.apache.trax.Processor.newInstance("xslt");
org.apache.trax.Templates templates = processor.process
(new org.xml.sax.InputSource("foo.xsl"));
org.apache.trax.Transformer transformer = templates.newTransformer();
// Cast the Transformer object as TransformerImpl.
if (transformer instanceof TransformerImpl)
{
TransformerImpl transformerImpl = (TransformerImpl)transformer;
// Register the TraceListener with a TraceManager associated
// with the TransformerImpl.
TraceManager trMgr = transformerImpl.getTraceManager();
trMgr.addTraceListener(ptl);
// Perform the transformation --printing information to
// the events log during the process.
transformer.transform
( new org.xml.sax.InputSource("foo.xml"),
new org.apache.trax.Result(new
java.io.FileWriter("foo.out")) );
}
// Close the PrintWriter and FileWriter.
pw.close();
fw.close();
}
}
