private static List parseDelimitedString()

in xbean-bundleutils/src/main/java/org/apache/xbean/osgi/bundle/util/HeaderParser.java [79:127]

• 40 lines of code
• 13 McCabe index (conditional complexity)

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

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

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

        StringBuffer sb = new StringBuffer();

        int expecting = (CHAR | DELIMITER | STARTQUOTE);

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

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

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

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

        return list;
    }