Java Swing Diagrams

Hi I have a requirement to show a hiearchy sequence as a top down diagram in my swing application. Is there any way has anyone done something like this before. Please help
This is a urgent requirement i have. I have to display something like Visualage way of showing editions of classes graphically.
The thing i have to display is like below
ProductLevel
|
|
Dummy Investment
|
|
STDB LCMB
| |
| |
________|___________ _______|_______
| | | |
PTD BBB LCUB STUMB
Please help any reply will be appreciated
Farouk

Sorry guys the diagram i drew to show hierarchy dint come well
Please excuse
Expect a reply
Farouk