So the implementation is very different.
Yes they are very different. The old intercept was a bit flaky so we did a total overhaul of it and divided it into two flavors:
Where the AOP in Camel can do what the old intercept did in Camel 1.6 but a bit better.
The AOP was added recently so its only avail in 2.0m3 or never.
Thank you. I will try Camel 2.0.