How to call java code in xsl?

Question

I'm trying to call java code in xsl. I've not been able to do so so far....any help is greatly appreciated.
Here's my xsl:
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.1"
          xmlns:xalan="http://xml.apache.org/xalan"
          xmlns:java="http://xml.apache.org/xalan/java"
          extension-element-prefixes="java">
<xsl:output method="xml" indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="data_order">
<order xsl:use-attribute-sets="order-info"></order>
<fromdate><xsl:value-of select="ds/temporal/ds_start_date"/></fromdate>
<stringdate><xsl:variable name="stringDate" select="java:ConvertDate2.changeDate(ds_start_date)"/>
</stringdate>
<thrudate><xsl:value-of select="ds/temporal/ds_stop_date"/></thrudate>
<chans><xsl:apply-templates select="ds/subset_spec/channels"/></chans>
</xsl:template>
<xsl:attribute-set name="order-info">
<xsl:attribute name="id"><xsl:value-of select="@job_id"/></xsl:attribute>
<xsl:attribute name="job"><xsl:value-of select="@origin"/></xsl:attribute>
</xsl:attribute-set>
<xsl:template match="channels">
<xsl:copy use-attribute-sets="sequence">
<xsl:apply-templates/>
</xsl:copy>
</xsl:template>
<xsl:attribute-set name="sequence">
<xsl:attribute name="index"><xsl:value-of select="position()"/></xsl:attribute>
</xsl:attribute-set>
</xsl:stylesheet>
And here's my java code
import java.io.*;
import java.util.*;
import java.lang.*;
public class ConvertDate2
public static String changeDate(String inputdate)
String date_array[];
String combined_date;
date_array = inputdate.split("[-]");
combined_date = date_array[0]+ date_array[1]+ date_array[2];
return combined_date;
}//end changeDate
}// end class

Answer 1

Try Changing your namespace for java to ConvertDate2(This class should be in classpath) and replace
<stringdate><xsl:variable name="stringDate" select="java:ConvertDate2.changeDate(ds_start_date)"/>
</stringdate>
with
<stringdate><xsl:variable name="stringDate" select="java:changeDate(ds_start_date)"/>
</stringdate>
Make sure your query matches with ds_start_date correctly.