pathbuffer.append("/");
pathbuffer.append('/');
    String getPathInfo(HttpServletRequest req) {        StringTokenizer t = new StringTokenizer(req.getContextPath(), "/");        int prefixTokens = t.countTokens();        t = new StringTokenizer(req.getServletPath(), "/");        prefixTokens += t.countTokens();        t = new StringTokenizer(req.getRequestURI(), "/");        int uriTokens = t.countTokens();        StringBuffer pathbuffer = new StringBuffer();        for (int i = 0; i < uriTokens; i++) {            String token = t.nextToken();            if (i < prefixTokens) {                continue;            }            if (i > prefixTokens) {                pathbuffer.append("/");            }            if ((token.indexOf("+") == -1) && (token.indexOf("%") == -1)) {                pathbuffer.append(token);            } else {                pathbuffer.append(URLDecoder.decode(token));            }        }        return pathbuffer.toString();    }