The Maven JAWR Plugin contains the compression goal and compresses JavaScript/css in a web application.
'net.jawr.tools:maven-jawr-plugin:1.5'
<dependency>
<groupId>net.jawr.tools</groupId>
<artifactId>maven-jawr-plugin</artifactId>
<version>1.5</version>
</dependency>
<dependency org="net.jawr.tools" name="maven-jawr-plugin" rev="1.5"/>
"net.jawr.tools", "maven-jawr-plugin", "1.5"