public String getMacByInetAddress()

in hugegraph-common/src/main/java/org/apache/hugegraph/license/MachineInfo.java [101:125]

• 24 lines of code
• 5 McCabe index (conditional complexity)

    public String getMacByInetAddress(InetAddress inetAddr) {
        byte[] mac;
        try {
            mac = NetworkInterface.getByInetAddress(inetAddr)
                                  .getHardwareAddress();
        } catch (Exception e) {
            throw new RuntimeException(String.format(
                      "Failed to get mac address for inet address '%s'",
                      inetAddr));
        }

        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < mac.length; i++) {
            if (i != 0) {
                sb.append("-");
            }
            String temp = Integer.toHexString(mac[i] & 0xff);
            if (temp.length() == 1) {
                sb.append("0").append(temp);
            } else {
                sb.append(temp);
            }
        }
        return sb.toString().toUpperCase();
    }