public static List parseDelimitedString()

in src/main/java/org/apache/sling/feature/io/json/ManifestUtils.java [416:499]
73 lines of code
16 McCabe index (conditional complexity)

    public static List<String> parseDelimitedString(String value, String delim, boolean trim)
    {
        if (value == null)
        {
            value = "";
        }

        List<String> list = new ArrayList<>();

        int CHAR = 1;
        int DELIMITER = 2;
        int STARTQUOTE = 4;
        int ENDQUOTE = 8;

        StringBuffer sb = new StringBuffer();

        int expecting = (CHAR | DELIMITER | STARTQUOTE);

        boolean isEscaped = false;
        for (int i = 0; i < value.length(); i++)
        {
            char c = value.charAt(i);

            boolean isDelimiter = (delim.indexOf(c) >= 0);

            if (!isEscaped && (c == '\\'))
            {
                isEscaped = true;
                continue;
            }

            if (isEscaped)
            {
                sb.append(c);
            }
            else if (isDelimiter && ((expecting & DELIMITER) > 0))
            {
                if (trim)
                {
                    list.add(sb.toString().trim());
                }
                else
                {
                    list.add(sb.toString());
                }
                sb.delete(0, sb.length());
                expecting = (CHAR | DELIMITER | STARTQUOTE);
            }
            else if ((c == '"') && ((expecting & STARTQUOTE) > 0))
            {
                sb.append(c);
                expecting = CHAR | ENDQUOTE;
            }
            else if ((c == '"') && ((expecting & ENDQUOTE) > 0))
            {
                sb.append(c);
                expecting = (CHAR | STARTQUOTE | DELIMITER);
            }
            else if ((expecting & CHAR) > 0)
            {
                sb.append(c);
            }
            else
            {
                throw new IllegalArgumentException("Invalid delimited string: " + value);
            }

            isEscaped = false;
        }

        if (sb.length() > 0)
        {
            if (trim)
            {
                list.add(sb.toString().trim());
            }
            else
            {
                list.add(sb.toString());
            }
        }

        return list;
    }