code: public static String getServer() {
          final StringBuilder serverBuilder = new StringBuilder(getServerScheme()).append("://").append(getServerHost());
          final String port = getServerPort();
          if (StringUtils.isNotBlank(port) && !"80".equals(port) && !"443".equals(port)) {
              serverBuilder.append(':').append(port);
          }
  
          return serverBuilder.toString();
      }
docs: Gets server.
  
  @return server, ${serverScheme}://${serverHost}:${serverPort}