Adapter Architecture

I have a requirement which is to create an adapter. The adapter integrate one legacy system with external service providers. The legacy system uses SOAP web service and the external service provider uses REST web service. the adapter accept SOAP from the legacy system and transform it to Rest, send it to the service providers and vice versa. The question is, what type of architecture do you think I should use? I am a Java Spring Guy :). I am planning to use spring integration. what do you think?

Thanks.