Thesis full text PDF (in Italian) - Politecnico di Milano

4.8 Classes packages A UML diagram, that shows the default package of the application developed, ispresented in figure 23. It defines packages containing definitions for all utilityclasses and servlets that compose the core of the application.Figure 23 – Application’s packages structureAlthough it does not directly define any classes, nested sub-packages called“social” and “configs”, are defined within the scope.Inside the package “configs”, there is a class called “ConfigProperties”providing, to classes of others packages (see image), connections informationrelated to the database or to social networks, stored into the file“application.properties”.The package “social”, does not define any class but, it contains a sub-packagecalled “util” in which important servlet, like “SocialUserDataValidation”,responsible to validate the social ids of a new users and,“SocialApplicationContextListener”, that initialized the connections to the socialnetworks, are defined.66