*/ 
    protected static DcerpcBinding parseBinding(String str) throws DcerpcException {
        int state, mark, si;
        char[] arr = str.toCharArray();
        String proto = null, key = null;
        DcerpcBinding binding = null;

        state = mark = si = 0;
        do {
            char ch = arr[si];

            switch (state) {
                case 0:
                    if (ch == ':') {