private static String unfold0()

in core/src/main/java/org/apache/james/mime4j/util/MimeUtil.java [277:300]

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

    private static String unfold0(String s, int crlfIdx) {
        final int length = s.length();
        StringBuilder sb = new StringBuilder(length);

        if (crlfIdx > 0) {
            sb.append(s, 0, crlfIdx);
        }

        int lastLineBreak = crlfIdx;
        for (int idx = crlfIdx + 1; idx < length; idx++) {
            char c = s.charAt(idx);
            if (c == '\r' || c == '\n') {
                if (idx > lastLineBreak + 1) {
                    sb.append(s, lastLineBreak + 1, idx);
                }
                lastLineBreak = idx;
            }
        }
        if (lastLineBreak < s.length() - 1 && s.length() > 0) {
            sb.append(s, lastLineBreak + 1, s.length());
        }

        return sb.toString();
    }