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Passing config from maven to xtext generator [message #1376581]

Fri, 23 May 2014 09:32

Eclipse User

Hi,

we are using the same DSL and generators in different projects. The generators are integrated in the maven build by the xtext-maven-plugin.
Is it possible to pass a configuration from a maven build to the generators?

thanks & regards
Norman

Re: Passing config from maven to xtext generator [message #1376636 is a reply to message #1376581]

Fri, 23 May 2014 10:00

Eclipse User

Hi can you be a bit more specific about "coniguration"

Re: Passing config from maven to xtext generator [message #1376646 is a reply to message #1376581]

Fri, 23 May 2014 10:08

Eclipse User

I had a look at the code. I did not See anything in that so Plesse
file an enhancement in that.

If you tell US about your usecase it might be possible to find a
workaround

Re: Passing config from maven to xtext generator [message #1376697 is a reply to message #1376646]

Fri, 23 May 2014 10:37

Eclipse User

Our usecase is to define property in the pom. The property is passed to the generator and the generator uses the value of the property as a prefix for the generated files.

Re: Passing config from maven to xtext generator [message #1376706 is a reply to message #1376697]

Fri, 23 May 2014 10:43

Eclipse User

Hi

Why don't you put this information into the model? Alternatively you
could try to use system properties or write your own (subtype) of the
mojo

Re: Passing config from maven to xtext generator [message #1376751 is a reply to message #1376706]

Fri, 23 May 2014 11:09

Eclipse User

Hi Norman,

you can use a composite workflow:

CompositeWorkflow.mwe2

module my.composite.workflow

import org.eclipse.emf.mwe.utils.*

Workflow {

   component = @my.single.workflow auto-inject {
	prefix = "customPrefix"
   }
}

CompositeWorkflow.mwe2
CompositeWorkflow.mwe2

module my.composite.workflow

import org.eclipse.emf.mwe.utils.*

Workflow {
   var prefix = ""
   var name = "${prefix}Name"
}

And via properties you can control which mwe2 file to execute

<plugin>
   <groupId>org.codehaus.mojo</groupId>
   <artifactId>exec-maven-plugin</artifactId>
   <version>${exec-maven-plugin-version}</version>
   <executions>
      <execution>
         <phase>generate-sources</phase>
         <goals>
            <goal>java</goal>
         </goals>
      </execution>
   </executions>
   <configuration>
      <skip>${skip.mwe2}</skip>
      <includeProjectDependencies>false</includeProjectDependencies>
      <includePluginDependencies>true</includePluginDependencies>
      <mainClass>org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher</mainClass>
      <arguments>
         <argument>file://${project.basedir}/${mwe2.relative.path}</argument>
      </arguments>
   </configuration>
   <dependencies>
      <dependency>
         <groupId>org.eclipse.xtext</groupId>
         <artifactId>org.eclipse.xtext.xtext</artifactId>
         <version>${xtext-version}</version>
      </dependency>
      <dependency>
         <groupId>org.eclipse.xtext</groupId>
         <artifactId>org.eclipse.xtext.xbase</artifactId>
         <version>${xtext-version}</version>
      </dependency>
   </dependencies>
</plugin>

Joerg

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