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Hi all,
Thanks firstly for the help with the dynamic invoker and complex types.
I have run into a slightly strange behaviour, possibly I'm just being
brain dead though?
I don't know at build time what types a web service may return, they may
have mappings in Axis already to simple java types such as string or
string[]. If this is the case then I just handle the returned object,
that's fine. If this is not the case I return the literal XML (actually
as a string of XML but that's a detail, I expect to get a DOM document
back from the invoke operation).
I thought the following code would work :
- --------------------------------------------------------------
// Iterate over inputs, there are
// vectors of input names and types
QName outputQName = ((Parameter)outTypes.get(i)).getType().getQName();
TypeMapping existingMappings =
((org.apache.axis.client.Call)call).getTypeMapping();
if (existingMappings.getClassForQName(outputQName) == null) {
~ System.out.println("No existing deserializer for " +
outputQName.toString());
((org.apache.axis.client.Call)call).registerTypeMapping(org.w3c.dom.Element.class,
outputQName,
new
ElementSerializerFactory(),
new
ElementDeserializerFactory());
// Tell the workflow front end that this is an XML output
outputPort.setSyntacticType("'text/xml'");
}
else {
// Convert the simple type back out to text/plain, octet-stream etc.
outputPort.setSyntacticType(xsdTypeToInternalType(outputQName.getLocalPart()));
}
- ---------------------------------------------------------------
(apologies for rather long code line length)
This actually does work for inputs that are genuine complex types, ones
which axis would otherwise throw an exception when it hits them. The
strange behaviour is that when I have a service that is returning a
string[] (it's a jws service, the WSDL is available at
http://www.ebi.ac.uk/collab/mygrid/service1/goviz/GoViz.jws?wsdl) this
mechanism still kicks in and returns a block of XML. Actually of course
it _doesn't_ return a block of xml, it returns a String[] which confuses
my framework a touch.
So, in the case of the jws service linked above, why is there no
deserializer registered when I interrogate the TypeMapping given that
there obviously is one? - without this code in place Axis quite happily
returns me a String[] from the methods that use that type. I would
expect to get some kind of array type back from the getTypeMapping call
in this case, or am I just doing something wrong? Given that I didn't
initially get a class back from this call, and then registered my own
type mapping why do I get back a String[] and not a Document (I want the
String[], but don't see why it's being returned as that after
registering the deserializer)
Thanks in advance,
Tom Oinn
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