Portlet Examples for login and upload files functions (newbi

[silicio]

Can someone tell me where i can find portlet examples for login and upload files, posting link or send me files?
I've to build up a new portal application, and i need some examples for reach the target.
Thx.

Silicio

[silicio]

I've forgot...
I use Jboss Portal Server 2.2 with AP 4.0.3SP1.