Looking at comparison matrix it looks like IDEA CE does not support code coverage at all. Bu there are lots of code coverage tools available, so perhaps it\'s possible to incorp
Another way is to use sonar for the reports and add that to your maven pom.xml.
I find the reports way more convenient to read than the emma reports.
If you want to give it a try:
1) Download SonarQube
2) add the sonar plugin to you pom.xml (maven 3 example)
org.codehaus.mojo
sonar-maven-plugin
2.0
3) start the sonar server
4) run mvn -DskipTests sonar:sonar
For more info, see the maven section of the sonar docs