code: public static Path[] stat2Paths(FileStatus[] stats) {
      if (stats == null)
        return null;
      Path[] ret = new Path[stats.length];
      for (int i = 0; i < stats.length; ++i) {
        ret[i] = stats[i].getPath();
      }
      return ret;
    }
docs: convert an array of FileStatus to an array of Path
  
  @param stats
  an array of FileStatus objects
  @return an array of paths corresponding to the input