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Abstract

A craft interface device for accessing, maintaining and provisioning a telecommunications network includes a graphical user interface, a domain modeling framework, and a communications framework which includes a parser. The graphical user interface is operatively connected to a monitor for displaying thereon structural components of the telecommunications network and for indicating, on the monitor, operating relationships among the structural components. The domain modeling framework is operatively connected to the graphical user interface for supplying thereto descriptions of the objects to be displayed. The communications framework is operatively connected to the domain modeling framework for generating and transmitting, in response to user commands detected by the graphical user interface, data requests over a data link of the network and for reading data lines arriving from the network. The parser includes an object-oriented state machine operatively connected to the communications framework for parsing information from an incoming sequence of data lines or events. The parser, via the domain model, is operatively connected to the graphical user interface for providing information thereto for display. The state machine includes a current state object taken from a group of diffierent possible state objects each transformable into at least one of the other state objects in response to an incoming message of a given type.

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First Claim