This document summarizes the Scala web framework Lift. It discusses Lift's view-driven development approach, templates, support for REST and JSON, actors for comet applications, mappers for persistence, modularity through replaceable parts and community modules, and security features. It also covers deployment options and sources to learn more about Lift.

1. JSUG #42
by Gabriel Grill

2. Scala
 Concise Syntax
 JVM
 Static Typing
 Functional and Objectoriented
 Actors

3. View First
 V-VM-M (View Driven Development)
VS.
http://l3an.com/post/654966108/view-driven-development-vdd

4. Templates
 Designer friendly Markup
 XHTML/HTML 5
 Snippet
 NodeSeq => NodeSeq
 Stateless & Statefull
 Rest
 Http (Request, Session, Comet)
 Session affinity

5. Rest
 Simple DSL
 Full Dispatch
 DSL for Json
 First Class XML support

6. Let‘s do a Chat App

7. Comet and Ajax
 Actors
 Long Polling -> Websockets
 Rerender , simple JavaScript or Data (JSON, ..)
 Ajax Callback
 JavaScript DSL (Typesafe)

8. Persistance
 Mapper
 simple and concise
 automatic validation
 Crudify
 Active Record
 Support for
 MySQL, PostgrSQL, Oracle, …
 Hibernate, JPA, …
 MongoDB, CouchDB, …

9. Modularity
 Every part of Lift is replaceable
 Modules from the community
 Facebook, Paypal, OSGI, OpenID
 Oauth, LDAP, XMPP, Widgets, …
 just add maven dependency
 or use sbt

10. Security
 OWSAP Top 10
 GUID
 Typesafety
 No SQL injection and Cross-Site Scripting
 URL Access
 Direct Object References

11. More cool Lift stuff
 Tail and Head merge
 CSS Selector Transforms
 traditional MVC
 Wizzard, LiftScreen and Wiring
 Lazy Loading
 Parallel page rendering
 XHTML, HTML5
 Localization
 Box
 … and
 a great Community

12. Deploy
 SBT + free Jrebel
 war-file
 Tomcat, Jetty, Glasfish, …
 Lift Support from
 Cloudbees.com
 Cloudfoundry.org
 Lifthub.net

13. Sources
 stable.simply.liftweb.net, open-source book
 David Pollack, 10.July 2011
 Lift in Action, book
 Timothy Perrett, Manning Publications, 2011
 Exploring Lift, open-source book
 Derek Chen-Becker, Marius Danciu, David Pollack, Tyler Weir, 2011
 liftweb.net, offical Lift site
 seventhings.liftweb.net, Seven things about Lift
 Lift.la, official Lift blog
 groups.google.com/group/liftweb, Lift Mailing List