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The web has become the default and standard user interface for enterprise programming. In this lecture we look at the challenges of adding a web user interface to enterprise systems. The main design pattern we look at is the classical Model View Controller.
The idea is to break user interface components into three distinct roles. The Controller is the entry of the request, and handles the parameters that come with the request. The controller uses the model for the "state" or domain logic, be it calculations or getting some data. The model will deliver some data that needs to be rendered. It is the responsibility of the view to render the user interface.
We will also briefly look at the Play! framework: http://www.playframework.org/
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