PlugwiseStickDiscoveryService.java 文件源码

protected void discoverSticks() {
    if (discovering) {
        logger.debug("Stick discovery not possible (already discovering)");
    } else {
        discovering = true;

        @SuppressWarnings("unchecked")
        Enumeration<CommPortIdentifier> portIdentifiers = CommPortIdentifier.getPortIdentifiers();

        while (discovering && portIdentifiers.hasMoreElements()) {
            CommPortIdentifier portIdentifier = portIdentifiers.nextElement();
            if (portIdentifier.getPortType() == CommPortIdentifier.PORT_SERIAL
                    && !portIdentifier.isCurrentlyOwned()) {
                discoverStick(portIdentifier.getName());
            }
        }

        discovering = false;
        logger.debug("Finished discovering Sticks on serial ports");
    }
}