Method createQueryInstance

src/tsd/RpcHandler.java:173–190

Using the request URI, creates a query instance capable of handling the given request. @param tsdb the TSDB instance we are running within @param request the incoming HTTP request @param chan the Channel the request came in on. @return a subclass of AbstractHttpQuery @throws BadReque

(final TSDB tsdb,
        final HttpRequest request,
        final Channel chan)

   * can be detected early, here.
   */
  private AbstractHttpQuery createQueryInstance(final TSDB tsdb,
        final HttpRequest request,
        final Channel chan) 
            throws BadRequestException {
    final String uri = request.getUri();
    if (Strings.isNullOrEmpty(uri)) {
      throw new BadRequestException("Request URI is empty");
    } else if (uri.charAt(0) != '/') {
      throw new BadRequestException("Request URI doesn't start with a slash");
    } else if (rpc_manager.isHttpRpcPluginPath(uri)) {
      http_plugin_rpcs_received.incrementAndGet();
      return new HttpRpcPluginQuery(tsdb, request, chan);
    } else {
      http_rpcs_received.incrementAndGet();
      HttpQuery builtinQuery = new HttpQuery(tsdb, request, chan);
      return builtinQuery;
    }
  }
  
  /**
   * Helper method to apply CORS configuration to a request, either a built-in