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https://issues.apache.org/jira/browse/VELOCITY-102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12622894#action_12622894
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Nathan Bubna commented on VELOCITY-102:
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I also liked context.put("math", Math.class). I'm not sure what you mean by
scanning instances for static classes, but public static field support is
another conversation and an old one at that. I'm open to it, but let's save it
for another bug. :)
Anyway, i think if you are going to implement this, then you should go on
whichever path you prefer. "Them that do the work make the decisions", as they
say. Do what seems best to you.
> Add Support for Static Utility Classes
> --------------------------------------
>
> Key: VELOCITY-102
> URL: https://issues.apache.org/jira/browse/VELOCITY-102
> Project: Velocity
> Issue Type: Improvement
> Components: Engine
> Affects Versions: 1.3-rc1
> Environment: Operating System: All
> Platform: All
> Reporter: Juozas Baliuka
> Priority: Minor
> Fix For: 1.6
>
>
> Support for Static Utility Classes is:
> 1) define namespaces
>
> context.defineNamespace("Math").add( java.lang.Math.class ) ;
> used as $Math.sin(0)
> 2) Add / Replace / remove methods in namespace :
>
> context.getNamespace("Math").add(MyRandom.class.getMethod("randomString",new
> Class[]{int.class}))
> used as $Math.randomString(12)
> 3) "union" on namespaces
> context.defineNamespace("Utils")
> .add(context.getNamespace("Math"))
> .add(context.defineNamespace("Collections",Collections.class ) );
> used as:
> $Utils.sin(0)
> $Utils.sort($list)
> 4) Global namespace
> context.getGlobalNamespace().add( Math.class );
> used as $sin(0)
> 5) inline namespaces:
> #use java.lang.Math as Math
> $Math.sin(0)
> #end
> #with Math
> $sin(0)
> #end
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