DirFilter Exception Refactor

FSUtils.java

public boolean accept(Path p) {
      boolean isValid = false;
      try {
        if (HConstants.HBASE_NON_USER_TABLE_DIRS.contains(p.toString())) {
          isValid = false;
        } else {
            isValid = this.fs.getFileStatus(p).isDir();
        }
      } catch (IOException e) {
        String nonUserTableDirs = HConstants.HBASE_NON_USER_TABLE_DIRS.toString();
        LOG.warn("The path: [" + p.toString() + "] is on the directories list not allowed: " + nonUserTableDirs, e);
      }
      return isValid;
    }