How to use

toString

method

in

org.apache.kafka.common.config.ConfigDef$Type

protected String getConfigValue(ConfigKey key, String headerName) {
  switch (headerName) {
    case "Name":
      return key.name;
    case "Description":
      return key.documentation;
    case "Type":
      return key.type.toString().toLowerCase(Locale.ROOT);
    case "Default":
      if (key.hasDefault()) {
        if (key.defaultValue == null)
          return "null";
        String defaultValueStr = convertToString(key.defaultValue, key.type);
        if (defaultValueStr.isEmpty())
          return "\"\"";
        else
          return defaultValueStr;
      } else
        return "";
    case "Valid Values":
      return key.validator != null ? key.validator.toString() : "";
    case "Importance":
      return key.importance.toString().toLowerCase(Locale.ROOT);
    default:
      throw new RuntimeException("Can't find value for header '" + headerName + "' in " + key.name);
  }
}

b.append("</td>");
b.append("<td>");
b.append(def.type.toString().toLowerCase());
b.append("</td>");
b.append("<td>");

 break;
case 2:
 value = def.type.toString().toLowerCase();
 break;
case 3:

 break;
case 2:
 length = null == def.type ? 0 : def.type.toString().length();
 break;
case 3:
 break;
case 2:
 value = def.type.toString().toLowerCase();
 break;
case 3: