ejb with ANT task

Using ANT task with EJB..开发者_开发问答..i need to create below few file...

ejb-jar.xml ibm-ejb-jar-bnd.xmi ibm-ejb-jar-ext-pme.xmi ibm-ejb-jar-ext-pme51.xmi ibm-ejb-jar-ext.xmi

Any one please tell me how to write scripts using ANT....

and also which files i need to include for this file generate..

Please help with sample scripts for generate those files....

Assuming you're using EJB2 your best bet is to use Xdoclet to generate the files for you, it can also generate a bunch of boilerplate java code that you will need as well.