App-Info

App::Info is an abstract base class designed to provide a generalized interface for subclasses that provide metadata about software packages installed on a system. The idea is that these classes can be used in Perl application installers in order to determine whether software dependencies have been fulfilled, and to get necessary metadata about those software packages.App::Info provides an event model for handling events triggered by App::Info subclasses. The events are classified as "info", "error", "unknown", and "confirm" events, and multiple handlers may be specified to handle any or all of these event types. This allows App::Info clients to flexibly handle events in any way they deem necessary. Implementing new event handlers is Straight-forward, and use the triggering of events by App::Info subclasses is Likewise kept easy-to-use.