Chapter 2. Introducing AspectJ

This chapter covers

  • Writing an AspectJ "Hello, world!" application

  • Becoming familiar with the AspectJ language

  • Weaving mechanisms

  • Integrating with Spring

In Chapter 1, we focused on general concepts in AOP. With those behind us, we can now look at one specific AOP implementation: AspectJ. AspectJ is an aspect-oriented extension to the Java programming language. Like any AOP implementation, AspectJ consists of two parts: the language specification, which defines the grammar and semantics of the language; and the language implementation, which includes weavers that take various forms such as a compiler and a linker. A weaver produces byte code that conforms to the Java byte-code specification, allowing any compliant Java ...

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