protected AccessLogValveAccessLogElement getClientToServerElement(
     ExtendedAccessLogValvePatternTokenizer tokenizer) throws IOException {
   if (tokenizer.hasSubToken()) {
     String token = tokenizer.getToken();
     if ("method".equals(token)) {
       return new AccessLogValveMethodElement();
     } else if ("uri".equals(token)) {
       if (tokenizer.hasSubToken()) {
         token = tokenizer.getToken();
         if ("stem".equals(token)) {
           return new AccessLogValveRequestURIElement();
         } else if ("query".equals(token)) {
           return new AccessLogValveAccessLogElement() {
             @Override
             public void addElement(
                 StringBuilder buf, Date date, Request request, Response response, long time) {
               String query = request.getQueryString();
               if (query != null) {
                 buf.append(query);
               } else {
                 buf.append('-');
               }
             }
           };
         }
       } else {
         return new AccessLogValveAccessLogElement() {
           @Override
           public void addElement(
               StringBuilder buf, Date date, Request request, Response response, long time) {
             String query = request.getQueryString();
             if (query == null) {
               buf.append(request.getRequestURI());
             } else {
               buf.append(request.getRequestURI());
               buf.append('?');
               buf.append(request.getQueryString());
             }
           }
         };
       }
     }
   } else if (tokenizer.hasParameter()) {
     String parameter = tokenizer.getParameter();
     if (parameter == null) {
       log.error("No closing ) found for in decode");
       return null;
     }
     return new ExtendedAccessLogValveRequestHeaderElement(this, parameter);
   }
   log.error("The next characters couldn't be decoded: " + tokenizer.getRemains());
   return null;
 }
 protected AccessLogValveAccessLogElement getServerToClientElement(
     ExtendedAccessLogValvePatternTokenizer tokenizer) throws IOException {
   if (tokenizer.hasSubToken()) {
     String token = tokenizer.getToken();
     if ("status".equals(token)) {
       return new AccessLogValveLocalPortElement(this);
     } else if ("comment".equals(token)) {
       return new AccessLogValveStringElement("?");
     }
   } else if (tokenizer.hasParameter()) {
     String parameter = tokenizer.getParameter();
     if (parameter == null) {
       log.error("No closing ) found for in decode");
       return null;
     }
     return new ExtendedAccessLogValveResponseHeaderElement(this, parameter);
   }
   log.error("The next characters couldn't be decoded: " + tokenizer.getRemains());
   return null;
 }