public String decodeLine()

in client/src/main/java/org/apache/ahc/codec/HttpDecoder.java [102:136]

• 29 lines of code
• 7 McCabe index (conditional complexity)

    public String decodeLine(IoBuffer in) throws Exception {
        int beginPos = in.position();
        int limit = in.limit();
        boolean lastIsCR = false;
        int terminatorPos = -1;

        for (int i = beginPos; i < limit; i++) {
            byte b = in.get(i);
            if (b == CR) {
                lastIsCR = true;
            } else {
                if (b == LF && lastIsCR) {
                    terminatorPos = i;
                    break;
                }
                lastIsCR = false;
            }
        }

        //Check if we don't have enough data to process or found a full readable line
        if (terminatorPos == -1) {
            return null;
        }

        String result = null;
        if (terminatorPos > 1) {
            IoBuffer line = in.slice();
            line.limit(terminatorPos - beginPos - 1);
            result = line.getString(decoder);
        }

        in.position(terminatorPos + 1);

        return result;
    }