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Oracle SOA Suite 11g R1 Developer's Guide by Antony Reynolds, Matt Wright

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Using the Mediator for virtualization

As discussed earlier, we can also use the Mediator for virtualization within an SCA Assembly. The Mediator should be used to ensure that interface into and out of SCA Assemblies use canonical form. We can also use XSL transforms in Mediator in a similar fashion to Service Bus to provide mappings between one data format and another.

To do this, we would select the canonical format WSDL as the input to our composite and wire this to the Mediator in the same way as we did in Chapter 2, Writing your First Composite. We can then double-click on the Mediator to open it and add a transformation to convert the messages to and from the canonical form.

If necessary, we may need to expand the routing rule to show the ...

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