Join Point Designation Diagrams (JPDDs) permit developers to design aspect-oriented software on an abstract level. Consequently, JPDDs permit developers to communicate their software design independent of the programming language in use. However, developer face two problems. First, they need to understand the semantics of JPDDs in addition to their programming language. Second, after designing aspects using JPDDs, they need to decide how to map them into their programming language. A tool-supported translation of JPDDs into a known aspect-oriented language obviously would ease both problems. However, in order to achieve this goal, it is necessary to determine what a "good" JPDD translation looks like, i.e. it is necessary to have a number of principles that determine the characteristics of a "good" translation. This paper describes a tool-supported translation of JPDDs to aspect-oriented languages. Principles for translating JPDDs are described and a concrete mapping to the aspect-oriented language AspectJ is explained.
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