Klaus-Peter Berg has written a couple of articles on using Gant:

  1. Client-side WSDL processing with Groovy and Gant: Automatically generate Java Web service clients with Axis2, XFire, CXF, and Java 6, including WSDL compatibility checks. JavaWorld.com 2007-11-12. http://www.javaworld.com/javaworld/jw-11-2007/jw-11-webserviceclient.html
  2. Groovy-power automated builds with Gant: Enhance your build process with Groovy plus Ant. Javaworld.com 2008-02-12. http://www.javaworld.com/javaworld/jw-02-2008/jw-02-gant.html