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From "Jose Alberto Fernandez" <j_a_fernan...@yahoo.com>
Subject Re: PROPOSAL: loading tasks from jars for Ant 1.5
Date Wed, 10 Oct 2001 21:06:37 GMT
From: "Ovidiu Predescu" <ovidiu@cup.hp.com>

> On Wed, 10 Oct 2001 12:30:29 -0400, "Sam Ruby" <rubys@us.ibm.com> wrote:
> 
> > I don't know if it can be addressed at the same time, but as more projects
> > define tasks for their own use, one thing to consider is adding the ability
> > to define tasks which are built during the build process.  Perhaps an
> > antlib task could allow nested javac and jar elements.  The javac tasks
> > would simply be executed in order.  The jar tasks would not only execute
> > but the results would be added to the path.
> 
> I definitely agree here! We need to have the ability to load new tasks
> as we compile them.
> 
> A simpler solution to the one proposed above is to this is to allow
> antlib to appear inside a <target> element. This way one can write the
> build.xml file that builds a new antlib in a target, and makes use of
> it in another target. Something like this:
> 
> <target name="build">
>   <javac>...</javac>
>   <jar jarfile="anttasks.jar">...</jar>
> </target>
> 
> <target name="test" depends="build">
>   <antlib lib="anttasks.jar"/>
> 
>   <!-- Start using the new tasks here -->
>   ...
> </target>
> 
> I'm not sure what are the implications with the current class loader
> mechanisms, but a solution can probably be worked out.
> 

This is the same behavior as <taskdef> and I think both of them should work the same
way. Hence I think is the right thing to do. 

Jose Alberto

> 
> Regards,
> -- 
> Ovidiu Predescu <ovidiu@cup.hp.com>
> http://orion.rgv.hp.com/ (inside HP's firewall only)
> http://sourceforge.net/users/ovidiu/ (my SourceForge page)
> http://www.geocities.com/SiliconValley/Monitor/7464/ (GNU, Emacs, other stuff)
> 


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