public static HiveStorageHandler getStorageHandler(
    Configuration conf, String className) throws HiveException {

    if (className == null) {
      return null;
    }
    try {
      Class<? extends HiveStorageHandler> handlerClass =
        (Class<? extends HiveStorageHandler>)
        Class.forName(className, true, Utilities.getSessionSpecifiedClassLoader());
      HiveStorageHandler storageHandler = ReflectionUtils.newInstance(handlerClass, conf);
      return storageHandler;
    } catch (ClassNotFoundException e) {
      throw new HiveException("Error in loading storage handler."
          + e.getMessage(), e);
    }
  }
Regenerate an identifier as part of unparsing it back to SQL text.
ql/src/java/org/apache/hadoop/hive/ql/metadata/HiveUtils.java