Components on the server: an OSGi mini-project

The best way to start with OSGi on the server side is with a mini-project to help clarify concepts and workout the mechanics.

I have chosen a simple idea: build a volatile cache that stores objects. The interface with it is simple HTTP calls to perform usual operations: get, set, clear and get info. Additionally, Unit Testing will of course be used (but not Acceptance Testing in this case).

We start with building a component that serves as the controller for the system. It encapsulates any implementation details and answers to the system requests.

Read on for a short tutorial on how to setup the a first bundle, add an interface and some logging and fire up the appropriate OSGi environment.

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