Xcode with LLVM-CLANG is the future of the iOS Development Platform.
Add-on languages like Ruby, Python, PHP are always just that, add-on languages to developing for OS X.
Objective-C with C/C++/ObjC++ are the primary languages for traditional client-server based apps.
Ruby, Python, PHP will never be first class citizens integrated into Xcode, if that's what you're referencing. Those environments are all available in OS X via MacRuby, to name but one.
How Java gets flushed out will be up to Oracle as Apple is moving to having them be the stewards of Java on OS X.
http://developer.apple.com/technologies/tools/features.html
How your 3rd party needs flush out would depend upon the extensibility of Xcode to integrate your needs. How your company integrates its current solution into Xcode would be unknown to anyone but you and your company and I'd expect your company is already in talks to see how that will be maintained via a professional support contract.