Give access to WSDL operation in proxy based mediations
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Key: SYNAPSE-204
URL: https://issues.apache.org/jira/browse/SYNAPSE-204
Project: Synapse
Issue Type: Improvement
Components: Proxy Services
Affects Versions: NIGHTLY
Reporter: Andreas Veithen
I'm building a proxy service that executes an XSLT mediation where there is no
one-to-one mapping between the operations defined by the proxy and the
operations invoked on the target. Actually the proxy defines several operations
that all execute the same operation on the target (with different input).
Therefore the XSL transformation for the response requires knowledge about the
original request, namely the operation invoked. While it is possible to do this
based on the name of the element in the SOAP body of the original request, it
would be easier if the mediation had access to the name of the operation
invoked on the proxy. Axis easily gives access to this information through
MessageContext#getAxisOperation. The information is available if the proxy
service has a publishWSDL element. As far as I can see, Synapse doesn't expose
this information to the mediation.
I propose to modify the get-property function to expose this information in a
similar way to what is done e.g. for the WSA-Action. Since the operation is
identified by a QName and this type is not supported by Jaxen, actually two new
properties would be introduced: 'OperationName' and 'OperationNamespace'. Only
modification of GetPropertyFunction and SynapseConstants (to define the
property names) is required to implement this.
Attached is a proposed patch implementing this change.
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