public static boolean isHexNumber()

in eventmesh-connectors/eventmesh-connector-canal/src/main/java/org/apache/eventmesh/connector/canal/SqlUtils.java [795:816]

• 22 lines of code
• 27 McCabe index (conditional complexity)

    public static boolean isHexNumber(String str) {
        boolean flag = true;
        if (str.startsWith("0x") || str.startsWith("0X")) {
            str = str.substring(2);
        }
        int i = 0;
        while (true) {
            if (i < str.length()) {
                char cc = str.charAt(i);
                if (cc != '0' && cc != '1' && cc != '2' && cc != '3' && cc != '4' && cc != '5' && cc != '6' && cc != '7' && cc != '8' && cc != '9'
                    && cc != 'A' && cc != 'B' && cc != 'C' && cc != 'D' && cc != 'E' && cc != 'F' && cc != 'a' && cc != 'b' && cc != 'c' && cc != 'd'
                    && cc != 'e' && cc != 'f') {
                    flag = false;
                    break;
                }
                i++;
            } else {
                break;
            }
        }
        return flag;
    }