Include the plugin in your project’s pom.
<plugins>
...
<plugin>
<groupId>com.summitsystemsinc.maven</groupId>
<artifactId>groovy-template-maven-plugin</artifactId>
<version>1.0.0</version>
<executions>
<execution>
<goals>
<goal>generate</goal>
</goals>
</execution>
</executions>
</plugin>
...
</plugins>
By default, the plugin will generate sources from src/main/gtemplate and src/test/gtemplate. The files that are output will reflect the name of the input files.