예제 #1
0
    private PartialFileHistory guessLastFileHistoryForFileWithMatchingChecksum(
        FileProperties fileProperties,
        Collection<PartialFileHistory> fileHistoriesWithSameChecksum) {
      PartialFileHistory lastFileHistory = null;

      // Check if they do not exist anymore --> assume it has moved!
      // We choose the best fileHistory to base on as follows:

      // 1. Ensure that it was modified at the same time and is the same size
      // 2. Check the fileHistory was deleted and the file does not actually exists
      // 3. Choose the one with the longest matching tail of the path to the new path

      for (PartialFileHistory fileHistoryWithSameChecksum : fileHistoriesWithSameChecksum) {
        FileVersion lastVersion = fileHistoryWithSameChecksum.getLastVersion();

        if (fileProperties.getLastModified() != lastVersion.getLastModified().getTime()
            || fileProperties.getSize() != lastVersion.getSize()) {
          continue;
        }

        File lastVersionOnLocalDisk =
            new File(config.getLocalDir() + File.separator + lastVersion.getPath());

        if (lastVersion.getStatus() != FileStatus.DELETED
            && !FileUtil.exists(lastVersionOnLocalDisk)) {
          if (lastFileHistory == null) {
            lastFileHistory = fileHistoryWithSameChecksum;
          } else {
            String filePath = fileProperties.getRelativePath();
            String currentPreviousPath = lastFileHistory.getLastVersion().getPath();
            String candidatePreviousPath = fileHistoryWithSameChecksum.getLastVersion().getPath();

            for (int i = 0; i < filePath.length(); i++) {
              if (!filePath.regionMatches(
                  filePath.length() - i,
                  candidatePreviousPath,
                  candidatePreviousPath.length() - i,
                  i)) {
                // The candidate no longer matches, take the current path.
                break;
              }
              if (!filePath.regionMatches(
                  filePath.length() - i,
                  currentPreviousPath,
                  currentPreviousPath.length() - i,
                  i)) {
                // The current previous path no longer matches, take the new candidate
                lastFileHistory = fileHistoryWithSameChecksum;
                break;
              }
            }
          }
        }
      }

      return lastFileHistory;
    }
  private void updateTable(LsFolderRequest lsRequest, LsFolderResponse lsResponse) {
    logger.log(
        Level.INFO,
        "Detail panel: Updating table with "
            + lsResponse.getResult().getFileVersions().size()
            + " file versions ...");

    // Add new file version items
    List<PartialFileHistory> fileVersions =
        new ArrayList<>(lsResponse.getResult().getFileVersions().values());
    selectedFileHistory = fileVersions.get(0);

    for (FileVersion fileVersion : selectedFileHistory.getFileVersions().values()) {
      String checksumStr =
          (fileVersion.getChecksum() != null) ? fileVersion.getChecksum().toString() : "";

      TableItem tableItem = new TableItem(historyTable, SWT.NONE);

      tableItem.setData(fileVersion);
      tableItem.setImage(COLUMN_INDEX_STATUS, getStatusImage(fileVersion.getStatus()));
      tableItem.setText(COLUMN_INDEX_PATH, fileVersion.getPath());
      tableItem.setText(COLUMN_INDEX_VERSION, Long.toString(fileVersion.getVersion()));
      tableItem.setText(COLUMN_INDEX_TYPE, fileVersion.getType().toString());
      tableItem.setText(COLUMN_INDEX_SIZE, FileUtil.formatFileSize(fileVersion.getSize()));
      tableItem.setText(COLUMN_INDEX_POSIX_PERMS, fileVersion.getPosixPermissions());
      tableItem.setText(COLUMN_INDEX_DOS_ATTRS, fileVersion.getDosAttributes());
      tableItem.setText(COLUMN_INDEX_CHECKSUM, checksumStr);
      tableItem.setText(COLUMN_INDEX_LAST_MODIFIED, "" + fileVersion.getLastModified());
      tableItem.setText(COLUMN_INDEX_UPDATED, "" + fileVersion.getUpdated());
    }

    if (historyTable.getItemCount() > 0) {
      restoreButton.setEnabled(false);
      historyTable.select(historyTable.getItemCount() - 1);
    }

    resizeColumns();
  }