code: public boolean matches(HttpServletRequest request) {
          if (pattern.equals(MATCH_ALL)) {
              if (logger.isDebugEnabled()) {
                  logger.debug("Request '" + getRequestPath(request) + "' matched by universal pattern '/**'");
              }
  
              return true;
          }
  
          String url = getRequestPath(request);
  
          if (logger.isDebugEnabled()) {
              logger.debug("Checking match of request : '" + url + "'; against '" + pattern + "'");
          }
  
          return matcher.matches(url);
      }
docs: Returns true if the configured pattern (and HTTP-Method) match those of the supplied request.
  
  @param request the request to match against. The ant pattern will be matched against the
  {@code servletPath} + {@code pathInfo} of the request.