Hi Simon

I have created my own binding, following the binding-sample, so I just
retrieve a reference to my equivalent of the SampleServiceInvoker.

Regards
Gary

On Thu, Jun 9, 2011 at 1:50 PM, Simon Laws <simonsl...@googlemail.com> wrote:
> On Wed, Jun 8, 2011 at 10:37 PM, Gary Brown <g...@pi4tech.com> wrote:
>> Hi
>>
>> I'm using Tuscany 2 beta2 as an embedded component, and invoking a
>> service component through the
>> org.apache.tuscany.sca.invocation.Invoker api.
>>
>> The service has been created using the cxf wsdl2java tool, so the
>> parameters are jaxb based Java classes. However I would like to be
>> able to pass in the XML document and have the framework handle the
>> necessary transformation to the appropriate type required by the
>> service interface.
>>
>> At present the invocation is just returning a response message with an
>> IllegalArgumentException in the body.
>>
>> Any suggestions, or suitable examples, would be appreciated.
>>
>> Regards
>> Gary
>>
>
> Hi Gary
>
> We do support such transformation but it relies on there being a
> suitable wire in place between a service binding and the service
> itself. If you look at the last diagram on this page [1]  you'll see a
> JMS binding being used to access a Java service. In between the
> binding and the service there is a chain of interceptors. These
> interceptors typically do formatting and policy handling. In
> particular the DatabindingInterceptor will try and convert the
> incoming message from the format at the binding to the format required
> by the service. Let's say we're receiving XML and the service is
> written in Java using JAXB objects as operation parameters (as is the
> case in  [1]) then the databinding will look at the incoming message,
> which will generally be an Axiom object when XML is coming in, and
> then use a JAXB context to convert this XML to appropriate JAXB
> objects. The reverse transformation happens when the response is
> returned.
>
> When you say you are "invoking a service component through the
> org.apache.tuscany.sca.invocation.Invoker api." can you say a bit more
> about how you retrieve the service to invoke and what what you
> actually do to enact the invocation.
>
> [1] http://tuscany.apache.org/documentation-2x/sca-java-runtime-overview.html
>
> Regards
>
> Simon
>
> --
> Apache Tuscany committer: tuscany.apache.org
> Co-author of a book about Tuscany and SCA: tuscanyinaction.com
>

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