public static char binaryToHexDigitMsb0_4bits()

in src/main/java/org/apache/commons/lang3/Conversion.java [364:393]

• 30 lines of code
• 18 McCabe index (conditional complexity)

    public static char binaryToHexDigitMsb0_4bits(final boolean[] src, final int srcPos) {
        if (src.length > 8) {
            throw new IllegalArgumentException("src.length>8: src.length=" + src.length);
        }
        if (src.length - srcPos < 4) {
            throw new IllegalArgumentException("src.length-srcPos<4: src.length=" + src.length + ", srcPos=" + srcPos);
        }
        if (src[srcPos + 3]) {
            if (src[srcPos + 2]) {
                if (src[srcPos + 1]) {
                    return src[srcPos] ? 'f' : '7';
                }
                return src[srcPos] ? 'b' : '3';
            }
            if (src[srcPos + 1]) {
                return src[srcPos] ? 'd' : '5';
            }
            return src[srcPos] ? '9' : '1';
        }
        if (src[srcPos + 2]) {
            if (src[srcPos + 1]) {
                return src[srcPos] ? 'e' : '6';
            }
            return src[srcPos] ? 'a' : '2';
        }
        if (src[srcPos + 1]) {
            return src[srcPos] ? 'c' : '4';
        }
        return src[srcPos] ? '8' : '0';
    }