Hermes

Hermes is a light Event Bus library. Written for fun, it is similar to what you can find in bigger libaries like Google Guava, Spring framework, and of course my first experience using an Event Bus, jEdit.

Dependency

Available through Maven central

<dependency>
  <groupId>com.kpouer</groupId>
  <artifactId>hermes</artifactId>
  <version>1.0.0</version>
</dependency>

Example

public class Test {
    public static void main(String[] args) {
        Hermes hermes = new Hermes();
        hermes.subscribe(new MyReceiver());
        hermes.publish(new Event("Hello"));
    }

    private static class MyReceiver {
        private String receivedMessage;
        
        @Listener
        public void onEvent(Event event) {
            receivedMessage = event.getMessage();
        }
    }

    private static class Event {
        private final String message;
        
        public Event(String message) {
            this.message = message;
        }
    }
}