Building XWiki from source for Oracle, WLS

Hi , I am new to XWiki and I need to build XWiki from the source code and run that for Oracle using WebLogic. I need info for the following : 1) Hibernate/ Maven config files that I need to change? 2) any other configuration related file that I need to change? 3) Any documentation for on the various modules of XWiki, what are the features of each module etc. 4) Which module do I need to check out(I have the code from *svn://svn.forge.objectweb.org/svnroot/xwiki/xwiki-platform/core/trunk* as of now). 4) Help Build Xwiki with ant/maven Thanks Gaurav