Ways to invoke Groovy from your Build

[Rajmahendra]

There might be several reasons for you wanting to invoke Groovy from your Java build. Either you're fed up with coding XML or you want to take a shortcut around the build systems sometimes cumbersome way to extend basic functionality. Custom Ant tasks and Maven Plugins hardly can overcome the shortcomings of XML expressiveness. Groovy can truly enrich your build through scripting. Java/Groovy hybrid applications also need a way to compile Groovy classes. No problem…support exists.......

Source : http://globalgateway.wordpress.com/2008/03/26/ways-to-invoke-groovy-from-your-build/