Hi,
1) A model for WSDL portType/operation and related XSD metadata to represent
unwrapped and wrapped WSDL operations
2) Input2InputTransformer and Out2OutTransformer to handle message payload
conversions accross IDL/databindings.
3) A databinding provider such AXIOM, DOM, JAXB orSDO can implement the
WrapperHandler to plug in the wrapping/unwrapping support for the given
databinding.
4) The echo-databinding sample has been updated to integrate the above
features and demonstrate the following interactions.
a) ComponentA/Interface1 (String) --> ComponentB/Interface2 (DOM) (A
databinding interceptor transforms String to DOM and vice versa)
b) ComponentB.reference with Echo java interface (DOM) --> Composite Echo
Reference (with wrapped WSDL and AXIOM databinding) (A databinding
interceptor transform DOM to wrapped AXIOM).
I started to look into the integration with Axis2 today. I ran into the
following issue now.
For a composite reference HelloWorldService,
<reference name="HelloWorldService">
<interface.java interface="helloworld.HelloWorldService"/>
<binding.ws
endpoint="http://helloworld#wsdl.endpoint(HelloWorldService/HelloWorldSoapPort)"
location="wsdl/helloworld.wsdl" />
</reference>
It's modeled as a java interface for the inbound wire (for example, a
component reference wired to this composite reference). But the target
invoker expects the WSDL interface from the binding.ws endpoint. To make
this happen with databinding transformation, I assume the BindingBuilder has
to create an outbound wire (to the Axis2 binding with the target contract as
the WSDL derived from the binding.ws). The TargetInvoker will be added to
the end of the outbound wire. Then the databinding interceptor will kick in
for the outbound wire to transform the JavaServiceContract to the
WSDLServiceContract so that the OMElement can be directly consumed by the
Axis2 TargetInvoker.
As a summary, the sequence will be:
a) component.reference (inteface 1) --> composite.reference (Java interface
2) // It's happending now
b) composite.reference (Java interface 2) --> axis2 binding (WSDL portType)
// Yet to happen
Am I on the right track? Your comments will be appreciated.
Thanks,
Raymond
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