Re: [xml-dev] The Free World vs Microsoft Inc: A Closer Look At Groovy

[Oleg Dulin <dulino@olegdulin.com>]

Actually, I believe projects like XSP in Cocoon can truly benefit from 
something like this. I am going to forward your message to the Cocoon 
users mailing list.

Kind regards,
Oleg

Gerald Bauer wrote:

> Hi,
> 
>   allow my to follow up with another commentary on
> XAML - Microsoft's latest "innvention" unveiled at the
> Longhorn Love-In last week in Los Angeles - that lets
> you mix markup languages with classic programming
> languages and declares both first-class citizen made
> for each other.
>   
>   To see how "revolutionary" Microsoft's latest XAML
> thingy is may I introduce Groovy a new dynamic
> scripting language for the Java runtime cooked up by
> James Strachan (of Geronimo, Jelly, dom4j and more
> fame) and Bob McWhirter (of Jaxen, dom4j, codehaus and
> more fame) that lets you do more with less and that
> also tries to fix up XML using the headline
> "TreeBasedSyntax".
> 
>    James writes on the Groovy TreeBasedSyntax Wiki
> page:
> 
> We have native syntax support for List and Maps. We
> should also support arbitrary nested tree structures.
> e.g. DOMish APIs or Ant tasks or Jelly tags or Swing
> widgets or whatever. Each may have their own
> particular factory mechanism to create the tree of
> objects - however they can share the same markup
> syntax to define them - in a concise alternative to
> XML.
> 
> In general we'd like to support a few kinds of
> markup...
> 
> * generic tree structures (making groovy.lang.Node a
> first class syntax like Map and List are)
> * custom tree structures (beans, DOMs, Swing, Ant,
> Jelly etc)
> * metadata (JDK 1.5 style) 
> 
>   Now James is not all talk but also wipes up some
> examples that already work with the latest Groovy CVS
> snapshot:
> 
> f = frame(size:[300,300], text:'My Window') {
>     label(bounds:[10,10,290,30], text:'Save changes')
>     panel(bounds:[10,40,290,290]) {
>         button(text:'OK', action:{ save(); close() })
>         button(text:'Cancel', action:{ close() })
>     }
> }
> 
>  James also shows off how you can mix scripting with
> markup:
> 
> f = frame(text: calculateFieldName(foo, 1234))
> 
>     // lets iterate through some map
>     map = [1:"hello", 2:"there"]
> 
>     for e in map {
>       label(name:e.value)
>       textfield(name:e.value)
>     }
> }
>     
>   Full story @
> http://wiki.codehaus.org/groovy/TreeBasedSyntax
> 
>   Any comments?
> 
>   - Gerald
> 
> PS: For more info about Groovy, check out the Java
> Republic stories titled "Groovy - Jazzing Up Plain Old
> Java" online @
> http://viva.sourceforge.net/republic/2003/09/groovy_jazzing_up_plain_old_java.html
> and "Groovy: Making Java More Funky" online @ http://viva.sourceforge.net/republic/2003/10/groovy_making_java_more_funky.html
> 
> ______________________________________________________________________ 
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