Pour data form Application Java(Swing ) into Report of Petaho

Title:Pour data from Java Application(Swing ) into Report of Petaho

Example I have a ArrayList<Customer> listCustomer;
and i have report (*.prpt) which is designed to show listCustomer.
I want to pour listCustomer into report
How to pour listCustomer into report ?
---
If you have a demo to explain my problem ,pleage give me :).
Please help me thank you much.