SerialConnection.java 文件源码

private CommPortIdentifier getSerialPort() {

    if (port != null) {
        try {
            return CommPortIdentifier.getPortIdentifier(port);
        } catch (NoSuchPortException e) {
            e.printStackTrace();
        }
        return null;
    }

    Enumeration<?> portEnum = CommPortIdentifier.getPortIdentifiers();
    while (portEnum.hasMoreElements()) {
        CommPortIdentifier currPortId = (CommPortIdentifier) portEnum.nextElement();
        for (String portName : PORT_NAMES) {
            if (currPortId.getName().equals(portName)) {
                return currPortId;
            }
        }
    }
    return null;
}