public static void convertToBytes()

in resolver/src/main/java/org/apache/james/jspf/core/Inet6Util.java [162:192]

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

    public static void convertToBytes(String hexWord, byte ipByteArray[],
            int byteIndex) {

        int hexWordLength = hexWord.length();
        int hexWordIndex = 0;
        ipByteArray[byteIndex] = 0;
        ipByteArray[byteIndex + 1] = 0;
        int charValue;

        // high order 4 bits of first byte
        if (hexWordLength > 3) {
            charValue = getIntValue(hexWord.charAt(hexWordIndex++));
            ipByteArray[byteIndex] = (byte) (ipByteArray[byteIndex] | (charValue << 4));
        }

        // low order 4 bits of the first byte
        if (hexWordLength > 2) {
            charValue = getIntValue(hexWord.charAt(hexWordIndex++));
            ipByteArray[byteIndex] = (byte) (ipByteArray[byteIndex] | charValue);
        }

        // high order 4 bits of second byte
        if (hexWordLength > 1) {
            charValue = getIntValue(hexWord.charAt(hexWordIndex++));
            ipByteArray[byteIndex + 1] = (byte) (ipByteArray[byteIndex + 1] | (charValue << 4));
        }

        // low order 4 bits of the first byte
        charValue = getIntValue(hexWord.charAt(hexWordIndex));
        ipByteArray[byteIndex + 1] = (byte) (ipByteArray[byteIndex + 1] | charValue & 15);
    }