Using XML with Legacy Business Applications

Architectural Overview

Even though I tried very hard to build these utilities using reusable modules, as we start looking at a larger architecture a few things may have to change. As any experienced designer knows, the shape of individual components can change as the overall system in which they are used changes. I'm sure that the lower-level classes will be okay, but the converter classes may need some adjustments. It is prudent to defer major architecture changes until after requirements have been finalized, so I'm not going to try to sketch out even a block diagram at this point. However, we can think about some general characteristics of the architecture.

To facilitate ease of use we can provide users with a single program to invoke. We can ...