1. The GWT bet ... Luc Claes CTO ContactOffice.com Google Developer Day 2007

7. Everything can be shared with users and groups! Sophisticated Access Right Model at user level Applications : Individual user, Families, Associations, Companies, Departments, All kinds of teams, ...

9. Some happy customers

22. M odel - V iew - R emoting Remoting Model View notify Synchronous call Add listener xxxService xxxServiceAsync DTOs Shared between front-end and back-end Asynchronous call with command piggybacking Front-end only AbstractModel ModelObject ModelFolder abstractions Asynchronous call AsyncCallback

24. 'Tip of the Day' (2) public void save(Command chainCommand) { getCalendarService().saveEvent(this, new COAsyncCallback( new GetEventDetailsCallback(), chainCommand)); } public static void showCreationDialog(Event event) { event.save( new ShowDialogCommand(event)); } private static class ShowDialogCommand implements Command { private final Event m_event ; public ShowDialogCommand(Event event) { m_event = event; } public void execute() { new EventPropertiesDialog(m_event).showCentered(); } } EventPropertiesDialog.java (View) : Event.java (Model) : Create an event object in the back-end, then edit its properties

27. New GWT based Interface Horizontal splitter COMenuBar extends MenuBar Frame

33. Legacy pages integration Legacy page (jsp) New page (GWT)

34. New calendar D&D event Access group & member's calendars Resizeable & overlap

35. Back-end (1) RemoteServiceServlet (GWT) GWTServlet AbstractHandler MailHandler MailServices … Instantiates (on each RPC invocation) CalendarHandler CalendarServices … HTTP request/session User credentials DB Transactions handling RemoteService (GWT) Actual RPC implementation ~ Invokes the Business Logic

38. Beta Launched http://beta.contactoffice.com

39. Questions?

40. Contact Us! [email_address] www.contactoffice.com blog.contactoffice.com