Take a look at appfuse ( http://appfuse.org/display/APF/Home), there may be
some inspiration in how do things.
Patrick
On 13-02-28 04:57 AM, 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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--
Patrick Turcotte
Directeur technologique
------------------------------------------------
patrick.turco...@revolutionlinux.com
(819) 780-8955, poste 1129
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