Compile groovy mixed with java in Maven

Assuming that groovy codes are in src/main/groovy and java codes are in src/main/java.

We can use 2 maven-compiler-plugin to compile groovy and java, and add groovy-all dependency. And finally we can find the both groovy and java class files in jar.

<plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.2</version>
        <configuration>
          <source>${java.version}</source>
          <target>${java.version}</target>
          <encoding>${project.build.sourceEncoding}</encoding>
        </configuration>
      </plugin>

      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.2</version>
        <configuration>
          <compilerId>groovy-eclipse-compiler</compilerId>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>org.codehaus.groovy</groupId>
            <artifactId>groovy-eclipse-compiler</artifactId>
            <version>2.9.2-01</version>
          </dependency>
          <dependency>
            <groupId>org.codehaus.groovy</groupId>
            <artifactId>groovy-eclipse-batch</artifactId>
            <version>2.4.3-01</version>
          </dependency>
        </dependencies>
      </plugin>

<dependency>
      <groupId>org.codehaus.groovy</groupId>
      <artifactId>groovy-all</artifactId>
      <version>2.4.3</version>
    </dependency>