ProcessControl/SIN.04028-From-Calling-to-Eventing/supplemental-java/03-static-filesystem/SensorService.java

void main() throws Exception {
    while (true) {
        var text = IO.readln();

        if (text == null)
            return;

        FileMessageBoard.publish(
            "consoleIn/outbox",
            new Message("TEXT", text)
        );
    }
}