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From: Peter Donald <peter@apache.org>
To: "Ant Developers List" <ant-dev@jakarta.apache.org>
Subject: Re: xml namespace support in ant2
Date: Fri, 6 Sep 2002 09:08:50 +1000
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On Thu, 5 Sep 2002 20:08, Wannheden, Knut wrote:
> I know this topic has been brought up before (e.g. in "Optional tasks"
> thread of last december [1]), but I still wonder what is the actual pla=
n
> for the accepted requirement for Ant2.

I don't think there is any plan for it at this stage. There are too many=20
potential uses of namespaces and associated confusion. Do you namespace;
* property names
* types (aka tasks, datatypes, condtions, etc)
* property evaluation (ie "${javascript:performMagic()}"
* target names (ie if you depend on foo:bar target will that execute bar=20
target in foo project?)
* aspects (ie add ant:fail-on-error=3D"true" to all tasks)

That is too confusing for me as a developer. I would pity the user who ha=
d to=20
try and understand a buildfile for that.

> <project xmlns=3D"http://jakarta.apache.org/Ant/v2"
>          xmlns:my=3D"urn:my-ant-tasks"
>          default=3D"test">
>
>  <taskdef qname=3D"my:foo" classname=3D"org.bar.FooTask"/>
>  <taskdef name=3D"baz" ns=3D"urn:my-ant-tasks" classname=3D"org.bar.Baz=
Task"/>
>
>  <target name=3D"test">
>   <echo message=3D"test"/>
>   <my:foo/>
>   <whatever:baz xmlns:whatever=3D"urn:my-ant-tasks"/>
>  </target>
>
> </project>
>
> (Note the two different uses of <taskdef>.)

type aliasing is no problem but I think that is independent of the main i=
ssue.

However I think you will find it hard pressed to validate anything withou=
t the=20
runtime context being present. It may be possible but I think that it wou=
ld=20
need to be seen to be believed ;)

--=20
Cheers,

Peter Donald
----------------------------------------
"Liberty means responsibility. That is=20
      why most men dread it." - Locke
----------------------------------------=20


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