package com.acme;
@EventContextual @Interceptor
public class ContextInterceptor {

    @AroundInvoke
    public Object injectContext(InvocationContext context) throws Exception {
        System.out.println("hello from interceptor");
        return context.proceed();
    }

}

package com.acme;
@InterceptorBinding
@Target({METHOD, TYPE})
@Retention(RUNTIME)
@Inherited
@Qualifier
public @interface EventContextual { }

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://java.sun.com/xml/ns/javaee"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/beans_1_0.xsd">
    <interceptors>
        <class>com.acme.ContextInterceptor</class>
    </interceptors>
</beans>

package com.acme;
@Stateless
@Local
@EventContextual //  just in case method annotation does not work
public class ButtonPressedEventHandler  implements Serializable {
@EventContextual
public void handle(
            @Observes
            Message event) {
// handle event
}
}