[forge-dev] Generate Code with Forge

[Rafael Pestano]

I was meaning just clone it ;)

Nice to hear about the scaffolding plugin.

2011/10/23 Paul Bakker <paul.bakker.nl at gmail.com>

> Hi Rafael,
>
> What do you mean by clone and forge the project? On github you can just
> clone the plugin-arquillian project and start hacking on it.
> Formatting is a bit of a problem, that doesn't work very well now with the
> builder API. Maybe Lincoln can say more about that?
>
> Note that within a few weeks Forge will have a new scaffolding plugin
> built-in, that does basically something that you are doing in your plugin.
>
> Paul
>
> On Oct 23, 2011, at 3:45 PM, Rafael Pestano wrote:
>
> I've managed to clone forge repo with this address
> https://github.com/forge/core.git now, i was using the old
> github.com/seam/forge.git.
>
> 2011/10/23 Rafael Pestano <rmpestano at gmail.com>
>>
>>> Hello Paul, thanks for your enlightening reply.
>>>
>>> The plugin is about a code generator for a home made Java EE6 framework
>>> and for instance it will generate very simple xhtml and java classes, so for
>>> example the generate-controller plugin would generate
>>>
>>> *@ViewAccessScoped
>>> @Named("personMBean")
>>> public class PersonMBean extends AbstractBaseMBean<Person> implements
>>> Serializable, ModalObserver {
>>>
>>>    @Inject
>>>     public void setPersonService(PersonService personService) {*//service
>>> layer will be generated togheter*
>>>         super.setBaseService(personService);
>>>     }
>>>
>>> some other very simple methods
>>> }*
>>>
>>> for the controller-plugin maybe i dont need to understand the model class
>>> (just to import it) cause its just a matter of replacing parammeters by the
>>> domain object but in the view-plugin it will be necessary for sure.
>>>
>>> Another concern i have is how to format the generated code? maybe the
>>> velocity template could help on that.
>>>
>>> Ive seen the Arquillian example, how can i clone it and forge project?
>>>
>>> Thanks again!
>>>
>>>
>>>
>>>
>>> 2011/10/23 Paul Bakker <paul.bakker.nl at gmail.com>
>>>
>>>> Hi Rafael,
>>>>
>>>> There are two things you need to do:
>>>> 1) "understand" the Person class
>>>> 2) generate new code
>>>>
>>>>
>>>>  1)
>>>> You can use a command parameter to get the Person class: @Option(name =
>>>> "class", required = true, type = PromptType.JAVA_CLASS) JavaResource
>>>> classUnderTest
>>>>
>>>> JavaResource is a rich file representation of the class.
>>>> Now you can use the JavaSourceFacet to get information about the class
>>>> itself:
>>>>
>>>> JavaSourceFacet java = project.getFacet(JavaSourceFacet.class);
>>>> JavaSource<?> javaSource = classUnderTest.getJavaSource();
>>>>
>>>> javaSource has methods such as getPackage() etc.
>>>>
>>>> 2)
>>>> Now you have to generate code. There are two ways to do this, depending
>>>> on your needs.
>>>> The most elegant way is to use the "JavaParser" builder API:
>>>>
>>>> JavaClass javaClass = JavaParser.create(JavaClass.class)
>>>>                .setPackage(entityPackage)
>>>>                .setName(entityName)
>>>>                .setPublic()
>>>>                .addAnnotation(Entity.class).getOrigin()
>>>>                .addInterface(Serializable.class);
>>>> Field<JavaClass> id = javaClass.addField("private Long id = null;");
>>>> ….
>>>>
>>>> My experience is that this works best for small classes. If you need to
>>>> generate a lot of code it might be better to use a tempting framework such
>>>> as Apache Velocity.
>>>> You can find an example of this in the code of the Arquillian plugin:
>>>> https://github.com/forge/plugin-arquillian/blob/master/src/main/java/org/jboss/seam/forge/arquillian/ArquillianPlugin.java#L93
>>>>
>>>> You can just add Velocity to your pom file and it will work.
>>>>
>>>> If you have any more questions, let us know! What kind of plugin are you
>>>> writing?
>>>>
>>>> Paul Bakker
>>>>
>>>>
>>>> On Oct 23, 2011, at 2:26 AM, Rafael Pestano wrote:
>>>>
>>>> Hi everyone,
>>>>
>>>> this is my first mail to this list and id like to congratulate the
>>>> Forge team for their work.
>>>>
>>>> my question is, what's the best way to generate .java, .xhtml files with
>>>> forge?
>>>>
>>>> Id like to write a plugin which would receive an entity class as
>>>> parameter and generate some code on top of it, eg:
>>>>
>>>> $ generate-service Person
>>>> $ generate-controller Person
>>>> $ generate-view Person
>>>>
>>>>
>>>> Where Person is a domain object, is it possible with Forge? if yes,
>>>> whats the best way?
>>>>
>>>>
>>>> thanks in advance.
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> <http://www.advancedit.com.br/>Att,
>>>>
>>>> Rafael M. Pestano
>>>>
>>>> Desenvolvedor Java Cia. de Processamento de Dados do Rio Grande do Sul
>>>> Graduando em Ciência da Computação UFRGS
>>>> _______________________________________________
>>>> forge-dev mailing list
>>>> forge-dev at lists.jboss.org
>>>> https://lists.jboss.org/mailman/listinfo/forge-dev
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> <http://www.advancedit.com.br/>Att,
>>>
>>> Rafael M. Pestano
>>>
>>> Desenvolvedor Java Cia. de Processamento de Dados do Rio Grande do Sul
>>> Graduando em Ciência da Computação UFRGS
>>>
>>
>>
>>
>> --
>> <http://www.advancedit.com.br/>Att,
>>
>> Rafael M. Pestano
>>
>> Desenvolvedor Java Cia. de Processamento de Dados do Rio Grande do Sul
>> Graduando em Ciência da Computação UFRGS
>>
>
>
>
>
> --
> <http://www.advancedit.com.br/>Att,
>
> Rafael M. Pestano
>
> Desenvolvedor Java Cia. de Processamento de Dados do Rio Grande do Sul
> Graduando em Ciência da Computação UFRGS
> _______________________________________________
> forge-dev mailing list
> forge-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/forge-dev
>
>
>


-- 
<http://www.advancedit.com.br/>Att,

Rafael M. Pestano

Desenvolvedor Java Cia. de Processamento de Dados do Rio Grande do Sul
Graduando em Ciência da Computação UFRGS
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