Enumerations are only supported when writing tasks.
For Java <5 you extend EnumeratedAttribute. Its main method (abstract in EA)
returns the list of possible values (getValues() is its name I think).
With Java5+ you could use Java enums directly.
There is no enum in properties (inside the buildfile).
<property name="stage" enum="dev|test|prod"/>
<property file="..."/> <!-- stage=dev => ok stage=foo => build exception
-->
When asking for input the task supports asking for specified values
<input addproperty="stage" validargs="dev,test,prod"/>
Jan
> -----Ursprüngliche Nachricht-----
> Von: Antoine Levy Lambert [mailto:anto...@gmx.de]
> Gesendet: Freitag, 9. April 2010 22:38
> An: Ant Users List
> Betreff: Re: Enums Support
>
> Raja Nagendra Kumar wrote:
> > Hi,
> >
> > Is it possible to define a property which takes only X,Y, Z
> values.. and
> > nothing more.. If any other thing is set for that
> property.. ant should give
> > the error.
> >
> > Sort of Enums in Java.. so that any wrong setting would
> result in compiler
> > error.
> >
> > Regards,
> > Nagendra
> >
> >
> >
> >
> >
> Ant has a class called EnumeratedAttribute [out of the top of
> my head].
> There are no enumerated properties, but this is conceivable.
>
> You can try to write your own extension of the property task.
> I am not
> sure whether there would be a consensus among committers to add this
> function to ant-core ?
>
> Regards,
>
> Antoine
>
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