Nabor Mendonca,  Clayton Silva,  Ian Maia,  Tiago Cordeiro. 

This article presents the Web Service Aspect Language (WSAL), which integrates fundamental aspect-oriented programming concepts into the context of service-oriented development. Differently from existing solutions that aim at integrating these two emerging software development paradigms, WSAL supports a novel aspect model, in which aspects are also implemented and executed as services. This characteristic allows WSAL aspects to be dynamically woven into the message flow exchanged between service consumer and service provider applications, in a way that is completely decoupled from their implementation technologies. The article also reports on an initial implementation of an aspect weaver for WSAL, which is based on an existing HTTP intermediary technology.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sblp/2007/015.pdf

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