It is imperative that we understand the key concepts of interceptors before we proceed with writing one. Interceptors in Fuji are, in theory, based on the Aspect Oriented Programming(AOP) technique. They allow you to apply advice at a set of point cuts. The following key elements define interceptors in Fuji :
Interceptors are injected onto the message path and can intercept the Messages being exchanged on that path or the entire Message Exchange. So, interceptors can intercept the :