Hi,I have an unexpected behaviour in app-schema mappings, when I have to deal
with an attribute declared as xs:anyType.
From my understanding of the xs:anyType meaning, this can be mapped to simple
(xs:string, etc.) or complex types.
Currently if I map an xs:anyType attribute to an xs:string it doesn't get
encoded in the final GML3 document.
This is the mapping configuration:
<AttributeMapping>
<targetAttribute>
lcv:landCoverObservation[1]/lcv:LandCoverObservation/lcv:class
</targetAttribute>
<targetAttributeNode>xs:string</targetAttributeNode>
<sourceExpression>
<OCQL>UCS2007</OCQL>
</sourceExpression>
</AttributeMapping>
lcv:class is declared in its xsd as xs:anyType.
As you can see I am explicity declaring xs:string as the target attribute node
type, and the app-schema mapping seems to work well with it. The problem seems
to be the encoder, that uses ComplexSupportXSAnyTypeBinding to encode
xs:anyType attributes.
This binding class currently only support ComplexAttribute objects, but with my
mapping the value is a simple String, so it doesn't get encoded at all.
My idea is to change the encode method to:
1) call super.encode(...) when the value is not a ComplexAttribute
2) implement the encode method in the parent class (XSAnyTypeBinding) to
handle simple value encoding, something like:
public Element encode(Object value, Document document, Element element)
throws Exception {
if (value != null) {
Text text = document.createTextNode(Converters.convert(value,
String.class));
element.appendChild(text);
}
return element;
}
In alternative I can do all the work in ComplexSupportXSAnyTypeBinding encode
method, without touching XSAnyTypeBinding.
Anyone with app-schema / complex types experience can give me an advice on this?
Thanks
Mauro
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