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Much like EJB interceptors, JAX-WS handlers (both SOAP and Logical) provide an elegant extension point to the developer. But that flexibility does come at a performance price since DOM is used to apply this handler logic. |
In his latest entry, Rama explains how Metro takes advantage of the extensible Handler framework provided by the JAX-WS specification to provide Message-based handlers using a lightweight Tube.
This is all part of the upcoming Metro 1.1 release recently mentioned.
