Confess_2011 - Rapid Rich Client Development with Spring Roo and GWT

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Show (shortly) what Spring Roo and GWT is. Then it shows some problems with this combination at the moment. Finally, the presentation shows when to use Spring Roo (instead of other frameworks).

Technologie Bildung

Click to edit Master /tle style 

Rapid Rich Client  
+  =  Development 

Kai Wähner, MaibornWolﬀ et al GmbH

I confess… 
Click to edit Master /tle style 

... that I loved
„Copy and Paste“

Inten/on of this Session 
Click to edit Master /tle style 

Bullet Point  
Boot Camp 

Just a few Slides...

Inten/on of this Session 
Click to edit Master /tle style 

... rather a lot of Live Hacking !!!

What is the Key Message? 
Click to edit Master /tle style

Key Message 
Click to edit Master /tle style 

Learn what Spring Roo is!

Key Message 
Click to edit Master /tle style 

Learn what Spring Roo is!
Learn how to develope with Spring Roo and GWT!

Key Message 
Click to edit Master /tle style 

Learn what Spring Roo is!
Learn how to develope with Spring Roo and GWT!
Learn when to use Spring Roo!

Agenda 
Click to edit Master /tle style 

1) What is Spring Roo?

2) What is GWT?

3) Use Case for Demo

4) LIVE HACKING: Spring Roo with GWT
5) Some further advanced Stuff

6) Criticism

7) When to use Spring Roo?

What is Spring Roo? 
Click to edit Master /tle style 

Web-Framework

Full-Stack-Framework

What is Spring Roo? 
Click to edit Master /tle style

What is Spring Roo? 
Click to edit Master /tle style 

Configuration
Marathon

Roo-Shell

IDE‐Support? 
Click to edit Master /tle style 

AspectJ

Roo-Shell

What is GWT? 
Click to edit Master /tle style 

1) What is Spring Roo?

2) What is GWT?

3) Use Case for Demo

4) LIVE HACKING: Spring Roo with GWT
5) Some further advanced Stuff

6) Criticism

7) When to use Spring Roo?

What is Google Web Toolkit (GWT)? 
Click to edit Master /tle style 

GWT is a
Web-Framework
to create
Rich Clients

What is Google Web Toolkit (GWT)? 
Click to edit Master /tle style 

No HTML, DOM, XMLHttpRequest, JavaScript?

But YOU code Java!

What is Google Web Toolkit (GWT)? 
Click to edit Master /tle style 

Plenty of Server-Communication?

Client-centric Approach!

What is Google Web Toolkit (GWT)? 
Click to edit Master /tle style 

Update View

View  Presenter 
User Events

Model
Model
Updates and
Changes
Queries

Model 
Design Pattern:
Model View Presenter (MVP)

Use Case: (Very simple) Project Management 
Click to edit Master /tle style

Use Case: (Very simple) Project Management 
Click to edit Master /tle style 

⇒  Use Case 1: No existing Database

Use Case: (Very simple) Project Management 
Click to edit Master /tle style 

⇒  Use Case 1: No existing Database
⇒  Use Case 2: Reverse Engineering (existing Database)

Live‐Demo 
Click to edit Master /tle style 

Enough of the Theory!
⇒  Let‘s start LIVE HACKING...

Use Add‐ons! 
Click to edit Master /tle style

Use other Spring Stuﬀ! (if possible) 
Click to edit Master /tle style 

Just a
Cutout of
Spring
Projects

Know that you can remove Spring Roo! 
Click to edit Master /tle style

No Undo‐Command 
Click to edit Master /tle style

Soooooooo many GWT‐Files 
Click to edit Master /tle style

High Complexity of GWT‐Files 
Click to edit Master /tle style 

Activity
Update View

View  Presenter 
User Events

ActivityMapper
Place Model
Updates and
Model ClientFactory
Changes
Queries EventBus
PlaceHistoryMapper
RequestFactory
Model  EntityProxy
ValueProxy
ServiceLocator

No Finder‐GUI in GWT yet 
Click to edit Master /tle style

S/ll Hope for GWT‐related Improvements 
Click to edit Master /tle style

Diﬀerent Types of Web Applica/ons 
Click to edit Master /tle style 

Classical   Portal 
Web 
CRUD  Applica/on 
Time to 
Short  Long  Develope 

Rich Internet 
Rich Client  Applica/on 
(RIA)

Spring Roo is awesome for CRUD‐Clients 
Click to edit Master /tle style 

Classical   Portal 
Web 
CRUD  Applica/on 
Time to 
Short  Long  Develope 

Rich Internet 
Rich Client  Applica/on 
(RIA)

Spring Roo is good for Learning, too! 
Click to edit Master /tle style

I heard: Spring Roo is good for Prototyping, too! 
Click to edit Master /tle style

I heard: Spring Roo is good for Prototyping, too! 
Click to edit Master /tle style 

TRUE
for Spring Applications

Spring Roo is awesome for CRUD‐Clients 
Click to edit Master /tle style 

80 % !!!
Classical   Portal 
Web 
CRUD  Applica/on 
Time to 
Short  Long  Develope 

Rich Internet 
Rich Client  Applica/on 
(RIA)

CRUD Frameworks within Java Environment 
Click to edit Master /tle style 

(Roma Framework)

CRUD Frameworks within Java Environment 
Click to edit Master /tle style 

Good CRUD Framework 

(Roma Framework)

CRUD Frameworks within Java Environment 
Click to edit Master /tle style 

Good CRUD Framework 

(Roma Framework) 

No Java

CRUD Frameworks within Java Environment 
Click to edit Master /tle style 

Good CRUD Framework 

No powerful Vendor 
(Roma Framework)  No large Community 

No Java

I am NOT a Spring Dude! 
Click to edit Master /tle style 

JEE 5 / 6

Spring

… and the Winner is: 
Click to edit Master /tle style 

* from the View of a Java Developer!

Key Message arrived? 
Click to edit Master /tle style

Whet your Appe/te? 
Click to edit Master /tle style

Get Part of the Community! 
Click to edit Master /tle style

Thank you for your Aen/on… Ques/ons? 
Click to edit Master /tle style 

+ = Rapid Rich Client Development

Kai Wähner 
IT‐Consultant 

Mobile  +49 151 544 277 88 
Email     kai.waehner@mwea.de 
Twier   @KaiWaehner 

MaibornWolﬀ et al GmbH | Theresienhöhe 13 | D‐80339 München

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Confess_2011 - Rapid Rich Client Development with Spring Roo and GWT

1. Click to edit Master /tle style  Rapid Rich Client   +  =  Development  Kai Wähner, MaibornWolﬀ et al GmbH 

2. I confess…  Click to edit Master /tle style  ... that I loved „Copy and Paste“

3. Inten/on of this Session  Click to edit Master /tle style  Bullet Point   Boot Camp  Just a few Slides...

4. Inten/on of this Session  Click to edit Master /tle style  ... rather a lot of Live Hacking !!!

5. What is the Key Message?  Click to edit Master /tle style 

6. Key Message  Click to edit Master /tle style  Learn what Spring Roo is!

7. Key Message  Click to edit Master /tle style  Learn what Spring Roo is! Learn how to develope with Spring Roo and GWT!

8. Key Message  Click to edit Master /tle style  Learn what Spring Roo is! Learn how to develope with Spring Roo and GWT! Learn when to use Spring Roo!

9. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

10. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

11. What is Spring Roo?  Click to edit Master /tle style  Web-Framework Full-Stack-Framework

12. What is Spring Roo?  Click to edit Master /tle style 

13. What is Spring Roo?  Click to edit Master /tle style  Configuration Marathon Roo-Shell

14. IDE‐Support?  Click to edit Master /tle style  AspectJ Roo-Shell

15. IDE‐Support?  Click to edit Master /tle style  AspectJ Roo-Shell

16. IDE‐Support?  Click to edit Master /tle style  AspectJ Roo-Shell

17. What is GWT?  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

18. What is Google Web Toolkit (GWT)?  Click to edit Master /tle style  GWT is a Web-Framework to create Rich Clients

19. What is Google Web Toolkit (GWT)?  Click to edit Master /tle style  No HTML, DOM, XMLHttpRequest, JavaScript? But YOU code Java!

20. What is Google Web Toolkit (GWT)?  Click to edit Master /tle style  Plenty of Server-Communication? Client-centric Approach!

21. What is Google Web Toolkit (GWT)?  Click to edit Master /tle style  Update View View  Presenter  User Events Model Model Updates and Changes Queries Model  Design Pattern: Model View Presenter (MVP)

22. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

23. Use Case: (Very simple) Project Management  Click to edit Master /tle style 

24. Use Case: (Very simple) Project Management  Click to edit Master /tle style  ⇒  Use Case 1: No existing Database

25. Use Case: (Very simple) Project Management  Click to edit Master /tle style  ⇒  Use Case 1: No existing Database ⇒  Use Case 2: Reverse Engineering (existing Database)

26. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

27. Live‐Demo  Click to edit Master /tle style  Enough of the Theory! ⇒  Let‘s start LIVE HACKING...

28. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

29. Use Add‐ons!  Click to edit Master /tle style 

30. Use other Spring Stuﬀ! (if possible)  Click to edit Master /tle style  Just a Cutout of Spring Projects

31. Know that you can remove Spring Roo!  Click to edit Master /tle style 

32. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

33. No Undo‐Command  Click to edit Master /tle style 

34. Soooooooo many GWT‐Files  Click to edit Master /tle style 

35. High Complexity of GWT‐Files  Click to edit Master /tle style  Activity Update View View  Presenter  User Events ActivityMapper Place Model Updates and Model ClientFactory Changes Queries EventBus PlaceHistoryMapper RequestFactory Model  EntityProxy ValueProxy ServiceLocator

36. No Finder‐GUI in GWT yet  Click to edit Master /tle style 

37. S/ll Hope for GWT‐related Improvements  Click to edit Master /tle style 

38. Agenda  Click to edit Master /tle style  1) What is Spring Roo? 2) What is GWT? 3) Use Case for Demo 4) LIVE HACKING: Spring Roo with GWT 5) Some further advanced Stuff 6) Criticism 7) When to use Spring Roo?

39. Diﬀerent Types of Web Applica/ons  Click to edit Master /tle style  Classical   Portal  Web  CRUD  Applica/on  Time to  Short  Long  Develope  Rich Internet  Rich Client  Applica/on  (RIA) 

40. Spring Roo is awesome for CRUD‐Clients  Click to edit Master /tle style  Classical   Portal  Web  CRUD  Applica/on  Time to  Short  Long  Develope  Rich Internet  Rich Client  Applica/on  (RIA) 

41. Spring Roo is good for Learning, too!  Click to edit Master /tle style 

42. I heard: Spring Roo is good for Prototyping, too!  Click to edit Master /tle style 

43. I heard: Spring Roo is good for Prototyping, too!  Click to edit Master /tle style  TRUE for Spring Applications

44. Spring Roo is awesome for CRUD‐Clients  Click to edit Master /tle style  80 % !!! Classical   Portal  Web  CRUD  Applica/on  Time to  Short  Long  Develope  Rich Internet  Rich Client  Applica/on  (RIA) 

45. CRUD Frameworks within Java Environment  Click to edit Master /tle style  (Roma Framework) 

46. CRUD Frameworks within Java Environment  Click to edit Master /tle style  Good CRUD Framework  (Roma Framework) 

47. CRUD Frameworks within Java Environment  Click to edit Master /tle style  Good CRUD Framework  (Roma Framework)  No Java 

48. CRUD Frameworks within Java Environment  Click to edit Master /tle style  Good CRUD Framework  No powerful Vendor  (Roma Framework)  No large Community  No Java 

49. I am NOT a Spring Dude!  Click to edit Master /tle style  JEE 5 / 6 Spring

50. … and the Winner is:  Click to edit Master /tle style  * from the View of a Java Developer!

51. Key Message arrived?  Click to edit Master /tle style 

52. Key Message  Click to edit Master /tle style  Learn what Spring Roo is! Learn how to develope with Spring Roo and GWT! Learn when to use Spring Roo!

53. Key Message arrived?  Click to edit Master /tle style 

54. Whet your Appe/te?  Click to edit Master /tle style 

55. Get Part of the Community!  Click to edit Master /tle style 

56. Thank you for your Aen/on… Ques/ons?  Click to edit Master /tle style  + = Rapid Rich Client Development Kai Wähner  IT‐Consultant  Mobile  +49 151 544 277 88  Email     kai.waehner@mwea.de  Twier   @KaiWaehner  MaibornWolﬀ et al GmbH | Theresienhöhe 13 | D‐80339 München 