Hello Jacob,

why don't you just import a common build file and define the common target 
there. Only when the target is not defined in the build file, the common target 
gets executed. 

R,

Markus M. May
-------- Original-Nachricht --------
Datum: Mon, 23 Oct 2006 22:28:35 -0500
Von: Jacob Kjome <[EMAIL PROTECTED]>
An: user@ant.apache.org
Betreff: dynamic targets

> 
> Along the lines of....
> http://marc.theaimsgroup.com/?l=ant-user&m=107429941032345&w=2
> 
> Is it possible to create targets dynamically, deferring creation 
> until such time as it is found that the project doesn't have the 
> target already defined?  My use-case is using <subant> to iterate 
> over sub-builds calling a target on each one.  My current strategy is 
> to define <patternset>s for each type of project.  For instance, I 
> add all web projects to a particular patternset and then reference 
> that patternset when calling <subant>....
> 
>              <subant target="war" inheritAll="false">
>                  <fileset dir=".">
>                      <patternset refid="war.patternset"/>
>                  </fileset>
>              </subant>
> 
> 
> As further fallback, individual builds may implement empty targets 
> just so that they don't fail, just in case...
> 
> <target name="war">
>      <echo message="Unimplemented target"/>
> </target>
> 
> 
> However, ideally, I'd like to be able to create the above target 
> dynamically in the case that it isn't implemented already by the 
> build.   This would have 2 benefits:
> 
> 1.  I wouldn't have to bother creating the patternsets.  I'd just 
> call all the build files and let them either build the war file or 
> echo the "Unimplemented target" message.
> 
> 2.  Individual builds that aren't web projects wouldn't have to have 
> to know what a web project is.  If the only artifact generated is a 
> simple jar library, it seems odd to have to implement a dummy "war" 
> target simply because some external master build file might call "war" on
> it.
> 
> 
> Instead of Ant failing with the following message...
> 
> BUILD FAILED
> Target `war' does not exist in this project.
> 
> 
> ...I'd like Ant to just run the above dynamically created target (not 
> just the "war" target, but any target that might not exist), report 
> the "Unimplemented target" message, and continue on.
> 
> So, is this possible?  Where/how do I hook into Ant to know the 
> target isn't implemented and create it myself via a scriptdef before 
> Ant gives me the build failure?
> 
> 
> Jake 
> 
> 
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