public static String getFileName(String filePath) {
    int lastSlash = filePath.lastIndexOf('/');
    return filePath.substring(lastSlash + 1);
  }
Parse file name from file path.

@param filePath file path
@return file name parsed from file path, e.g. data-1.parquet.
amoro-format-iceberg/src/main/java/org/apache/amoro/utils/TableFileUtil.java