hi, working on an xslt to transform one xml 2d matrix into another. thanks
to your previous assistance, i have one transform that deletes, copies,
renames, and generates fields (please see below) .
i now need to map values (i suspect that this is a big xsl:choose of some
sort). but i would like to generate the xslt programmatically depending on
how the luser fills out an html form. in general, it looks like i am
transforming one 2d matrix into another and wondered if this type of thing
had been done before.
it seems to me that i should invent a dtd or schema for a definition of the
translation somewhat as follows:
<transform default="copy"> <!-- might be delete? -->
<rules>
<rename oldColumnName="old" newColumnName="new"/>
<copy columnName="columnToBeCopied"/>
<delete columnName="columnToBeDeleted"/>
<generateRecord triggerColumnName="special1">
<newColumn name="newColumName1" value1="field1Value"/>
<newColumn name="newColumName2" value2="field2Value"/>
<newColumn name="newColumName3" /> <!-- value not
defined means copy the field? -->
</generateRecord>
<map columnName="columnToBeMapped>
<pair in="inputValue1" out="outputValue1">
...
<pair in="inputValue42" out="outputValue42">
</map>
</rules>
</transform>
it would seem then that i could read this with jdom and generate the
appropriate xslt (like the one below).
any pointers or advice will be appreciated.
thanks
<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:strip-space elements="*"/>
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/inputRows">
<outputRows><xsl:apply-templates/></outputRows>
</xsl:template>
<xsl:template match="/inputRows/inputRow">
<xsl:for-each select="child::*">
<xsl:if test="name()='special1' or name()='special2'">
<xsl:apply-templates select="."/>
</xsl:if>
</xsl:for-each>
</xsl:template>
<xsl:template match="/inputRows/inputRow/special1">
<xsl:call-template name="generateOutputRecord">
<xsl:with-param name="value1"
select="'new1ValueFromSpecial1Name'"/>
<xsl:with-param name="value2"
select="'new2ValueFromSpecial1Name'"/>
</xsl:call-template>
</xsl:template>
<xsl:template match="/inputRows/inputRow/special2">
<xsl:call-template name="generateOutputRecord">
<xsl:with-param name="value1"
select="'new1ValueFromSpecial2Name'"/>
<xsl:with-param name="value2"
select="'new2ValueFromSpecial2Name'"/>
</xsl:call-template>
</xsl:template>
<xsl:template name="generateOutputRecord">
<xsl:param name="value1" select="defaultValue1"/>
<xsl:param name="value2" select="defaultValue2"/>
<outputRow>
<inputRecordSequenceNumber>
<xsl:number count="inputRow"/>
</inputRecordSequenceNumber>
<xsl:for-each select="../*">
<xsl:call-template name="processField"/>
</xsl:for-each>
<xsl:call-template name="addNewFields">
<xsl:with-param name="value1" select="$value1"/>
<xsl:with-param name="value2" select="$value2"/>
</xsl:call-template>
</outputRow><xsl:text/>
</xsl:template>
<xsl:template name="addNewFields">
<xsl:param name="value1" select="defaultValue1"/>
<xsl:param name="value2" select="defaultValue2"/>
<xsl:element name="new1"><xsl:value-of
select="$value1"/></xsl:element>
<xsl:element name="new2"><xsl:value-of
select="$value2"/></xsl:element>
<xsl:element name="new3"><xsl:value-of
select="."/></xsl:element>
</xsl:template>
<xsl:template name="processField">
<xsl:choose>
<xsl:when test="name()='special1'"></xsl:when>
<xsl:when test="name()='special2'"></xsl:when>
<xsl:when test="name()='remove1'"></xsl:when>
<xsl:when test="name()='copy1'">
<xsl:element name="{name()}">
<xsl:value-of select="."/>
</xsl:element>
</xsl:when>
<xsl:when test="name()='rename1'">
<xsl:element name="renamed1">
<xsl:value-of select="."/>
</xsl:element>
</xsl:when>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
---
ray tayek http://tayek.com/ actively seeking mentoring or telecommuting work
vice chair orange county java users group http://www.ocjug.org/
hate spam? http://samspade.org/ssw/
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list