Presentation given at the Alpes JUG and Mars JUG on 10th and 11th of October 2012. Explains why XWiki is a runtime platform for developing web applications

1. XWiki
Developing simple web applications quickly
Copyright (c) Vincent Massol - 2012
Ocober 2012
Friday, October 12, 12

2. Agenda
• Architecture
• Developing on XWiki
• Usages
• Pros and cons
• QA
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

3. Architecture
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

4. XWiki Platform
... for developing (collaborative) web applications
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

5. Building an Application
Runtime
Traditional way
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

6. Building an Application
Runtime Runtime
XWiki way - Morphing!
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

7. Developing on XWiki
a.k.a Morphing XWiki
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

8. Extensions
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

9. Adding Structure
• Ability to associate arbitrary
data to any wiki page
• Enable structure in the wiki
• Enable Application development
• == Application wiki or Next Gen Wiki
• Application Within Minutes
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

10. Classes - Objects
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

11. Class Sheets
• A Document with script to display the
content of Object(s) nicely
• Automatic usage if defined in Class
Document
• Can be overridden on a page basis if needed
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

12. Skinning & Theming
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

13. Skin Extensions
CSS JS
== Grease Monkey Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

14. Scripting in Pages (1/2)
{{groovy}}
import groovy.json.*
def url = "https://api.github.com/users/xwiki/repos".toURL().text
def root = new JsonSlurper().parseText(url)
println "|=Project|=Description|=Use Wiki?|=Use Issues?"
root.each() { repo ->
println "|[[${repo.name}>>http://github.com/xwiki/$
{repo.name}]]|${repo.description}|${repo.has_wiki}|$
{repo.has_issues}"
}
{{/groovy}}
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

15. Scripting in Pages (2/2)
{{velocity}}
#set ($xwql = "where doc.content like '%welcome%'")
#foreach ($item in $services.query.xwql($xwql).execute())
#if ($request.confirm == "1")
#set ($itemDoc = $xwiki.getDocument($item))
$itemDoc.setContent($itemDoc.getContent().replaceAll(
"welcome", "bienvenue"))
$itemDoc.save("Replaced bienvenue")
* [[$item>>$item]] replaced!
#else
* [[$item>>$item]]
#end
#end
[[Replace "welcome" by "bienvenue">>?confirm=1]]
{{/velocity}}
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

16. UI Extensions
Result
Extension Point
{{velocity}}
...
#foreach($uix in $services.uix.getExtensions(
'org.xwiki.platform.panels.Applications'))
#set($params = $uix.getParameters())
* [[image:$params.icon $params.label>>$params.target]]
#end
...
{{/velocity}}
Extension
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

17. Wiki Macros
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

18. Components
@Role
public interface Macro
{
List<Block> execute();
}
@Component
@Named("message")
@Singleton
public class MessageMacro implements Macro
{
@Inject
private Execution execution;
@Inject
@Named("box")
private Macro boxMacro;
public List<Block> execute()
{
...
}
}
META-INF/components.txt
org.xwiki.rendering.internal.macro.message.MessageMacro
+ Wiki Components!
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

19. Usages
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

20. Multiple Usages
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

21. http://www.xwiki.org/xwiki/bin/view/Main/Screenshots
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

22. Long tail of Apps
Excel of the
Web
Web’s Swiss
army knife
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

23. Pros and Cons
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

24. Pros
• Iterative, Need-based development
• Continuous Delivery
• Work collaboratively on creating applications
• Designers can style while devs create logic
• Works from day one, immediate feedbacks
• Open source and community-based
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

25. Cons
• Save code in SCM
• ... but SVN Application, Git Application
• Low integration with existing dev tools
• ... but XEclipse
• ... but WebDAV
• Not an official standard
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

26. Getting Started
• Download XWiki from xwiki.org
• Ask for a wiki on myxwiki.org
• Non-profit orgs and individuals, no SLA
• Used as a test platform by XWiki devs
• XWiki Cloud
• Free plan (5 users), paid plans
• Contact a company supporting XWiki
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

27. Q&A
Me
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12

28. Vincent Massol
vincent@xwiki.com
skype: vmassol
http://about.me/vmassol
http://xwiki.org
http://xwiki.com
Copyright (c) Vincent Massol - 2012
Friday, October 12, 12