This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Raj, I think you need to read section 5.3 of that link again. It tells you that you can have your application broken up into modules. Each of which would have its own configuration file (5.3.2 gives an example of multiple config files specified in web.xml).