まあ単純なspring MVCなわけだけれど..AbookController.java package abook.web; import info.ineighborhood.cardme.engine.VCardEngine; import info.ineighborhood.cardme.io.VCardWriter; import info.ineighborhood.cardme.vcard.VCard; import info.ine…

http://demo.vaadin.com/sampler けっこういいねこれ！