RpiScanner

private static class ScannerRoute extends RouteBuilder {

    @Override
    public void configure() throws Exception {
        from("bluetooth://scan?consumer.delay=1000")
                .to("pi4j-gpio://1?mode=DIGITAL_OUTPUT&state=LOW&action=BLINK")
                .choice()
                .when(deviceWithName(DEVICE_NAME))
                    .process(p -> p.getIn().setHeader(DEVICE_FOUND, true))
                .otherwise()
                    .process(p -> p.getIn().setHeader(DEVICE_NOT_FOUND, true))
                .end()
                .multicast().to("direct:green", "direct:red");

        from("direct:green")
                .process(exchange -> checkHeaderAndSetAction(DEVICE_FOUND, exchange))
                .to("pi4j-gpio://2?mode=DIGITAL_OUTPUT&state=LOW");

        from("direct:red")
                .process(exchange -> checkHeaderAndSetAction(DEVICE_NOT_FOUND, exchange))
                .to("pi4j-gpio://3?mode=DIGITAL_OUTPUT&state=LOW");
    }

    private void checkHeaderAndSetAction(String headerKey, Exchange exchange) {
        if (exchange.getIn().getHeader(headerKey) != null) {
            exchange.getIn().setHeader(Pi4jConstants.CAMEL_RBPI_PIN_ACTION, GPIOAction.HIGH);
        } else {
            exchange.getIn().setHeader(Pi4jConstants.CAMEL_RBPI_PIN_ACTION, GPIOAction.LOW);
        }
    }
}