CJ wrote:
Hi,

Hopefully someone can help me or point me in the right direction here.

I have a custom Ant task which I want to use to invoke another command
which isn't known at compilation time. It uses an approach very similar
to Ant itself, in that it builds the command from RuntimeConfigurables/
UnknownElements. This all works but for running commands which have a
prefix (such as my other custom commands).

I want to be able to translate the prefix to a namespace uri that I can
make the correct UnkownElement.setNamespace( uri ) call.

For clarity, this is a simplified form of what I want to do. (I realize
the example doesn't make a great deal of practical sense in this form;
this is just for illustrative purposes, please humor me :) ).

<project name="example"
         xmlns:myprefix="http://some.uri";
         >
    <taskdef resource="some/path/task.properties"
             uri="http://some.uri";
             classpath="mylib.jar"
             />     <!-- Supplying 'mytaskname' and 'taskrunner' -->
<!-- Regular execution; example -->
    <myprefix:mytaskname ... />
<!-- Task runner; what I want to do -->
    <myprefix:taskrunner>
        <atask name="myprefix:mytaskname">
            ...
        </atask>
    </myprefix:taskrunner>
</project>

Taskrunner is what I'm trying to get working, so it executes the task
just as Ant would when parsing the xml form above it. I am parsing the
'myprefix' from the task name (atask's name attribute), but I don't
know how to get the namespace 'http://some.uri' programmatically at
this point.


There's nothing in ant to do this yet, though you could probably write a task (which we would gladly accept, esp if it came with docs and tests :),

--
Steve Loughran                  http://www.1060.org/blogxter/publish/5
Author: Ant in Action           http://antbook.org/

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