GBean tutorial

[Clayton Hicklin]

Can someone post or point me to a good tutorial on how to write a simple 
service GBean?  I've looked through the mailing list as well as the 
GBean info on the website, and I can't really find a good, clear 
description on how to write, package and deploy a service GBean.

Basically, what I'm trying to do is incorporate a service into Geronimo 
as a module (kind of like Tomcat or the ApacheDS module).  I understand 
how to write the GBean itself, implementing GBeanLifecycle, doStart, 
doStop, doFail, etc.  What I'm not clear on is how to construct the 
maven environment around it (src and target directories, the various XML 
files needed) and how to incorporate this into the overall Geronimo 
build system so that I can just type "mvn install" in the root directory 
and have it build my GBean alongside all the others.  Any pointers?

p.s. -> I'm currently attempting this with G1.2, but would like to know 
how to do it in 2.0-Mx, as well, if it's different.

Thanks in advance!!!