I haven't seen any generator plugin that does what you're looking for.
Wearing a Maven hat, I don't think that having these stub classes generated
to src/main/java belongs to the build lifecycle. It's a separate process
that should be executed outside of a Maven build. SO you would then have a
separate goal for that is not bound to a phase by default.
/Anders
On Thu, Feb 28, 2013 at 10:57 AM, christofer.d...@c-ware.de <
christofer.d...@c-ware.de> wrote:
> Ahem ... this wasn't quite the path I was indenting to go with my question.
>
> What I am looking for is a generator-plugin that uses a template engine
> (such as Velocity) to generate code, and uses as input an pojo-object model
> representing the details of a Java class that it should generate code for.
>
> Now I would like to have (or create, if I have to) a plugin, that allows
> me to specify which classes I am addressing using some include/exclude
> config.
>
> I could configure different include/exclude groups, each one in one
> execution and for each I could provide a set of:
> - resourceTemplates
> - testResourceTemplates
> - sourceStubTemplates
> - sourceTemplates
> - testSourceStubTemplates
> - testSourceTemplates
> - ...
> So for each matched class, I could generage:
> - resources into the target/generated-resources directory using the
> resourceTemplates (could be more than one)
> - testResources into the target/generates-test-resources directory using
> the testResourceTemplates, ...
> - source code into target/generated-sources ...
> - test source code into target/generated-test-sources ...
>
> One speciality I liked with GraniteDS was the ability to have
> auto-generated stub-classes generated in src/main/java ... if a class
> allready existed, no code would be generated, but if a class didn't exist,
> it would be generated. This was great for creating classes that extend
> other generated classes and to allow customization. Something simple as
> this:
>
> public class MyClass extends MyClassBase {
> }
>
> And MyClassBase is generated to target/generated-sources.
>
> With such a plugin I could be able to generate my JPA MetaModel classes,
> my DTOs, SQL scripts, ... and wouldn't have to configure thousands of
> different generators. People could develop best-practice templates for
> general purpose tasks.
>
> Hope this clarified, what I was looking for.
>
> If nothing similar exists, I would like to start developing something like
> this, because I think it would make my life a lot easier.
>
> Chris
>
> ________________________________________
> Von: Stadelmann Josef [josef.stadelm...@axa-winterthur.ch]
> Gesendet: Donnerstag, 28. Februar 2013 09:52
> An: Maven Users List
> Betreff: AW: Is there any generic Maven code generator?
>
> A code generator needs input. Hence some "generic formal language" is used
> to specify the input to the genric code generator? UML? Visualization of a
> generic language could mean - speak UML, UML is a reality today. UML
> modells can says much more then 1000 words? Hence I opt for better
> integration of modelling tools with maven. Also roundtrip engineering is a
> must. Enterprise Architect (EA) is able to generate code from UML and other
> diagrams for many target compiler and it helps you to have code, modell and
> documentation in sync. And EA can be feed with code and generates your
> diagramms. A task which only ends when the modells become to complex. Maven
> is much about geting and nailing dependent components together. If maven
> finds the dependecies, a tool like EA could use input to draw i.e. the
> component diagram, maybe a maven plugin can pave the way for EA. Other
> whise, in my mind, there are far too many tools around and I get to often
> the feeling that each time a problem developes, folk starts to seek a tool
> to avoid some brain work. So if one knows in which aspects maven poms could
> be used toward EA to get ceratin artiacs visualized for better
> understanding, that would be almost a very good step into proper direction.
> Josef
>
>
> -----Ursprüngliche Nachricht-----
> Von: christofer.d...@c-ware.de [mailto:christofer.d...@c-ware.de]
> Gesendet: Mittwoch, 27. Februar 2013 12:31
> An: users@maven.apache.org
> Betreff: Is there any generic Maven code generator?
>
> I just posted this to Stackoverflow, but after posting I realized, that I
> should have come here first :-(
>
>
> I am currently working on a project, that makes intense usage of code
> generation for various purposes. One generator generates SQL scripts from
> jpa entities. Another generates DTOs from pojos, another generates the
> JPA2.0 meta model, jet another generates some xml and schema files based on
> Java classes ... each generator works completely different needs to be
> configured differently.
>
> My question now is ... is there any generic maven code generator plugin
> out there with the following attributes:
>
> *
> Creates a pojo model of a Java class (Names, Properties, Annotation,
> Methods ...)
> *
> Uses templates for defining the output that uses the pojo model to
> generate any output.
> *
> Allows me to specify multiple templates for one class
> *
> Allows me to generate code and resources
> *
> Allows me to generate a base class to target/generated-sources and a dummy
> implementation to src/main/java which simply extends the base class (If the
> dummy class in src/main/java exists, nothing happens, if it doesn't it
> generates such a dummy class. This code is checked in to the SCM and allows
> extending the generated classes manually)
>
> I am using the Flexmojos GraniteDS plugin for generating my ActionScript
> model code, but it's pretty specialized for that particular purpose.
>
> I think such a generic generator would make things a lot easier ... is
> there something like that available out there, or do I have to start
> implementing it myself?
>
> Chris
>
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