Inversion of Control – for easy integration

You may have witnessed some of the J2EE frameworks provide a technique to get dynamically bound plain objects by making them bind to some features of the framework outside of the plain objects. This technique is called as the IoC or Inversion of Control. If we have to know about the meaning of this term let us emphasize on what inversion depicts in aspect of implementing some features in plain objects.

Overview
Suppose I have some functionality of my J2EE application in my model which is nothing but a simple POJO. Now I want this POJO to be incorporated into a web tier which is an MVC (Model View Controller) Architecture. The last thing I would want to do is modify the source of the model, view or controller and put in some additional code which would do this integration. But suppose I choose a framework in such a way that I put what exactly is to be done by the POJO in the MVC architecture in a simple XML config file and then put the config file in the framework and the framework does the rest of the integration work. Read the rest of this entry »

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