コード例 #1
0
ファイル: ReflogReader.java プロジェクト: forge/plugin-undo
  /**
   * @param max max number of entries to read
   * @return all reflog entries in reverse order
   * @throws IOException
   */
  public List<ReflogEntry> getReverseEntries(int max) throws IOException {
    final byte[] log;
    try {
      log = IO.readFully(logName);
    } catch (FileNotFoundException e) {
      return Collections.emptyList();
    }

    int rs = RawParseUtils.prevLF(log, log.length);
    List<ReflogEntry> ret = new ArrayList<ReflogEntry>();
    while (rs >= 0 && max-- > 0) {
      rs = RawParseUtils.prevLF(log, rs);
      ReflogEntry entry = new ReflogEntry(log, rs < 0 ? 0 : rs + 2);
      ret.add(entry);
    }
    return ret;
  }
コード例 #2
0
ファイル: ReflogReader.java プロジェクト: forge/plugin-undo
  /**
   * Get specific entry in the reflog relative to the last entry which is considered entry zero.
   *
   * @param number
   * @return reflog entry or null if not found
   * @throws IOException
   */
  public ReflogEntry getReverseEntry(int number) throws IOException {
    if (number < 0) throw new IllegalArgumentException();

    final byte[] log;
    try {
      log = IO.readFully(logName);
    } catch (FileNotFoundException e) {
      return null;
    }

    int rs = RawParseUtils.prevLF(log, log.length);
    int current = 0;
    while (rs >= 0) {
      rs = RawParseUtils.prevLF(log, rs);
      if (number == current) return new ReflogEntry(log, rs < 0 ? 0 : rs + 2);
      current++;
    }
    return null;
  }