Re: How can I drop a custom Velocity tool into archetype:generate?

[Martin Höller <ma...@xss.co.at>]

Hi stug23!

Did you make any progress on this topic? If yes, could you please explain
the details.

tia,
- martin

On 07 Sep 2009, stug23 wrote:

> 
> Can anyone give pointers for this question?
> 
> 
> stug23 wrote:
> > 
> > Is there some way to use Plexus injection to accomplish the addition of a
> > custom Velocity tool in an archetype so that archetype:generate can
> > leverage the custom Velocity tool?
> > 
> > I recently read an introductory posting on Plexus injection on the
> > Sonatype blog, however I don't know whether it's possible to use Plexus
> > for the case described above?
> > 
> > Sonatype blog article on Plexus injection:
> > 
> > Plexus Container Five Minute Tutorial
> > 
> >   
> > <http://www.sonatype.com/people/2009/05/plexus-container-five-minute-tutorial/>
> > 
> > 
> > stug23 wrote:
> >> 
> >> I am finishing up a multimodule project archetype which needs to do some
> >> minor string transformations based on the standard archetype property
> >> 'rootArtifactId'.
> >> 
> >> For example, if rootArtifactId = "purchase-order"  the requirement is to
> >> produce a derived string assigned using a Velocity directive. One example
> >> of this might be something like:
> >> 
> >> #set( $camelCase = $myCustomTool.capitalize(${rootArtifactId})  )
> >> 
> >>    which yields $camelCase = "PurchaseOrder" from $rootArtifactId =
> >> "purchase-order"
> >> 
> >> I already have the custom Velocity tool written and working correctly as
> >> a standalone Java program, however I haven't found any specific
> >> information on how to incorporate this custom Velocity tool in an
> >> archetype.
> >> 
> >> So my question is: "Is it possible to configure a custom Velocity tool in
> >> a VelocityContext and have it available to use during the Velocity
> >> processing part of project instantiation that occurs for
> >> archetype:generate in an archetype?"
> >> 
> >> If the answer is yes, are there any examples of how to do this?
> >> 
> >> I searched far and wide in the forums where I did see some indications
> >> that this idea was at least discussed, if not implemented. For example in
> >> the following Nabble posting,
> >> 
> >> <http://www.nabble.com/-m2--Archetype-Plugin-parameters-and-templates-to966996.html#a977701>
> >> 
> >> Jason van Zyl said:
> >> 
> >> "The templates are velocity templates so you get the directives that
> >> velocity provides and you can make your own velocity macros or tools. A
> >> tool is simply a Java object that you drop into a velocity context so you
> >> can really do whatever you want. I would think velocity itself would give
> >> you enough flexibility. "
> >> 
> >> TIA!
> >> 
> >> 
> >> 
> >> 
> > 
> > 
> 
> -- 
> View this message in context: http://www.nabble.com/How-can-I-drop-a-custom-Velocity-tool-into-archetype%3Agenerate--tp25207677p25337553.html
> Sent from the Maven - Users mailing list archive at Nabble.com.
> 
> 
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Re: How can I drop a custom Velocity tool into archetype:generate?

[stug23 <pa...@gmail.com>]

Unfortunately I never did find a way to do what I described in the posting.

Perhaps this could eventually be a feature in Maven 3?


matinh wrote:
> 
> Hi stug23!
> 
> Did you make any progress on this topic? If yes, could you please explain
> the details.
> 
> tia,
> - martin
> 
> On 07 Sep 2009, stug23 wrote:
> 
>> 
>> Can anyone give pointers for this question?
>> 
>> 
>> stug23 wrote:
>> > 
>> > Is there some way to use Plexus injection to accomplish the addition of
>> a
>> > custom Velocity tool in an archetype so that archetype:generate can
>> > leverage the custom Velocity tool?
>> > 
>> > I recently read an introductory posting on Plexus injection on the
>> > Sonatype blog, however I don't know whether it's possible to use Plexus
>> > for the case described above?
>> > 
>> > Sonatype blog article on Plexus injection:
>> > 
>> > Plexus Container Five Minute Tutorial
>> > 
>> >   
>> >
>> <http://www.sonatype.com/people/2009/05/plexus-container-five-minute-tutorial/>
>> > 
>> > 
>> > stug23 wrote:
>> >> 
>> >> I am finishing up a multimodule project archetype which needs to do
>> some
>> >> minor string transformations based on the standard archetype property
>> >> 'rootArtifactId'.
>> >> 
>> >> For example, if rootArtifactId = "purchase-order"  the requirement is
>> to
>> >> produce a derived string assigned using a Velocity directive. One
>> example
>> >> of this might be something like:
>> >> 
>> >> #set( $camelCase = $myCustomTool.capitalize(${rootArtifactId})  )
>> >> 
>> >>    which yields $camelCase = "PurchaseOrder" from $rootArtifactId =
>> >> "purchase-order"
>> >> 
>> >> I already have the custom Velocity tool written and working correctly
>> as
>> >> a standalone Java program, however I haven't found any specific
>> >> information on how to incorporate this custom Velocity tool in an
>> >> archetype.
>> >> 
>> >> So my question is: "Is it possible to configure a custom Velocity tool
>> in
>> >> a VelocityContext and have it available to use during the Velocity
>> >> processing part of project instantiation that occurs for
>> >> archetype:generate in an archetype?"
>> >> 
>> >> If the answer is yes, are there any examples of how to do this?
>> >> 
>> >> I searched far and wide in the forums where I did see some indications
>> >> that this idea was at least discussed, if not implemented. For example
>> in
>> >> the following Nabble posting,
>> >> 
>> >>
>> <http://www.nabble.com/-m2--Archetype-Plugin-parameters-and-templates-to966996.html#a977701>
>> >> 
>> >> Jason van Zyl said:
>> >> 
>> >> "The templates are velocity templates so you get the directives that
>> >> velocity provides and you can make your own velocity macros or tools.
>> A
>> >> tool is simply a Java object that you drop into a velocity context so
>> you
>> >> can really do whatever you want. I would think velocity itself would
>> give
>> >> you enough flexibility. "
>> >> 
>> >> TIA!
>> >> 
>> >> 
>> >> 
>> >> 
>> > 
>> > 
>> 
>> -- 
>> View this message in context:
>> http://www.nabble.com/How-can-I-drop-a-custom-Velocity-tool-into-archetype%3Agenerate--tp25207677p25337553.html
>> Sent from the Maven - Users mailing list archive at Nabble.com.
>> 
>> 
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
>> For additional commands, e-mail: users-help@maven.apache.org
>> 
> 
> 
>  
> 

-- 
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Sent from the Maven - Users mailing list archive at Nabble.com.


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