AspectWerkz is a dynamic, lightweight and
high-performant AOP/AOSD framework for Java.
AspectWerkz utilizes runtime bytecode modification
to weave your classes at runtime. It hooks in and
weaves classes loaded by any class loader except
the bootstrap class loader. It has a rich join
point model. Aspects, advices and introductions
are written in plain Java and your target classes
can be regular POJOs. You have the possibility to
add, remove and re-structure advices as well as
swapping the implementation of your introductions at
runtime. Your aspects can be defined using either an
XML definition file or using Runtime Attributes.