why vaadin plugin?

[msan]

Hello.
I'm new to Roo.
I want to know what are the advantages in using the vaadin plugin.
Thank you.

[mfkenson]

try to get some info in vaadin.com

i used vaadin framework in my previous project.
very beautiful widget, server side programming only.

like a SWING GUI Java development. take a look
http://demo.vaadin.com/sampler

[msan]

try to get some info in vaadin.com

i used vaadin framework in my previous project.
very beautiful widget, server side programming only.

like a SWING GUI Java development. take a look
http://demo.vaadin.com/sampler

Yes I know but what 's the usefulness to have roo plugin in vaadin?