Mapping an Optional Element w/ Required Attribute to an Optional Element

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    • January 14, 2009 at 8:43 AM #21508
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        This is probably easy but I’m new at this.

        So I’m mapping Schema A to Schema B.  Schema A has an optional element with a required attribute.  I’m trying to map that attribute to an optional element in Schema B.  My problem is that the element in Schema B shows up even if the element in Schema A is not present. 

        In the output xsl I’m getting

        <ns0:BNode><xsl:value-of select=”s0:Root/s0:ANode/@att“ /> </ns0:BNode>

        I want

        <xsl:if test=”s0:Root/s0:ANode”><ns0:BNode><xsl:value-of select=”s0:Root/s0:ANode/@att“ /> </ns0:BNode></xsl:if>

        Anyone know the best way to do this?

      • January 15, 2009 at 2:41 AM #21509
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          Just insert a Loop functoid or a Logical Existence functoid between ANode and BNode in addition to the value link between @att and BNode. That should do it. Test both and compare the xslt, doing that, I’d pick the loop.

           

          //Niklas Häggström – Connecta AB

          • January 15, 2009 at 5:53 AM #21510
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              Thanks, the loop worked just fine.  I was hoping it was something simple I was missing.

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