...To allow communication with iTunes accross the COM interface the Java COM Bridge Jacob is utilized.
Furthermore the API is divided into two parts. The first part (which is called "Basic") consists of classes and interfaces to access the interface provided by Apple. This part contains everything which is part of the original COM interface. But unfortunately the interface is partially not well structured and complex. Because of this there is the second part of the API. This "Extended" API encapsulates the original API and provides easier utiliziation.