A simple but powerful publish-subscribe API that is based on class semantics and/or string (topic) matching.
'org.bushe:eventbus:1.4'
<dependency>
<groupId>org.bushe</groupId>
<artifactId>eventbus</artifactId>
<version>1.4</version>
</dependency>
<dependency org="org.bushe" name="eventbus" rev="1.4"/>
"org.bushe", "eventbus", "1.4"