well, I have written an extension to Axis which is able to cope with typed
Collections (jdk 1.5). Type mappings now work just like typed arrays. I had to
extend a bunch of Axis-classes, e.g. Emitter, Types, BeanSerializer, ...
The main problem was, that it is not possible to determine the component type
of a collection by just inspecting the Collection class alone. Rather you need
a java.reflect.Field or java.reflect.Method object that defines the Collection
as type or parameter/return type.
e.g.
in case of a method which returns List<String>
Type gt = method.getGenericReturnType();
if( gt instanceof ParameterizedType )
{
return (Class)((ParameterizedType)gt).getActualTypeArguments()[0];
}
returns String.class
please correct me if there is an easier way to do it!
balazs
-------- Original-Nachricht --------
Datum: Thu, 29 Mar 2007 15:51:39 +0200
Von: [EMAIL PROTECTED]
An: axis-user@ws.apache.org
Betreff: mapping typed collections
Hello!
I have an RPC-encoded-style service using Axis 1.4 which contains typed lists
(jdk1.5 generics) as parameters/return types, e.g.
List<String> hello( List<Moo> li )
As well as typed lists within service parameters, e.g.
int ciao( Foo foo )
where Foo has a member List<Boo> boo;
Unfortunately the generated WSDL does not contain a definition of Moo and Boo,
and every List is mapped with an ArrayOf_xsd_anyType.
I understand that it is not possible to determine the element type of a
Collection during runtime (unlike in case of a regular array). But maybe it is
possible to provide a hint to the Axis framework how to map typed collections
correctly. Can I pass some sort of metadata to the engine to achieve the
correct handling?
I tried the getTypeDesc() construct, but it does not seem to help. I'm not
afraid of overrding Axis code, just please someone tell me where to start!
Thanks!
Balazs
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