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  • WebServiceTemplate difference between Interceptor and Callback?

    Hi,

    I'm trying to write my first client using Spring-WS and am getting a little confused at some basics. I need to insert a SAML token into the header, and I've noticed that the WebServiceTemplate class allows for both Interceptors and WebServiceMessageCallbacks.

    Can someone please help me understand why I should use one versus another?

    Secondly, I noticed that the WST class allows for a list of interceptors, but only a single callback. Does anyone know what the logic was behind that design decision? Why is there no ability to pass an array or list of Callbacks?

    Thanks,

    Eric
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