public Vector<Donor> ReadDonors() throws Exception {
    if (MyDonorsSheet == null) LoadDonorWorksheet();

    Vector<Donor> donors = new Vector<Donor>();
    try {
      List<WorksheetEntry> worksheets = MyDonorsSheet.getWorksheets();
      WorksheetEntry entry = worksheets.get(0);
      if (entry == null) return null;
      CellFeed cellFeed = MyService.getFeed(entry.getCellFeedUrl(), CellFeed.class);
      if (cellFeed == null) return null;

      int numCols = cellFeed.getColCount();
      int numRows = cellFeed.getRowCount() - 1;
      List<CellEntry> cellEntryList = cellFeed.getEntries();
      String cells[][] = new String[numRows][numCols];

      for (CellEntry cellEntry : cellEntryList) {
        int row = cellEntry.getCell().getRow() - 1;
        int col = cellEntry.getCell().getCol() - 1;
        if (row > 0) {
          cells[row - 1][col] = cellEntry.getCell().getValue();
        }
      }

      for (int row = 0; row < numRows; row++) {
        Donor donor = new Donor();
        donor.DonorID = TrimNonNull(cells[row][0]);
        donor.FirstName = TrimNonNull(cells[row][1]);
        donor.LastName = TrimNonNull(cells[row][2]);
        donor.SpouseName = TrimNonNull(cells[row][3]);
        donor.Organization = TrimNonNull(cells[row][4]);
        donor.StreetAddress = TrimNonNull(cells[row][5]);
        donor.City = TrimNonNull(cells[row][6]);
        donor.State = TrimNonNull(cells[row][7]);
        donor.Country = TrimNonNull(cells[row][8]);
        donor.ZipCode = TrimNonNull(cells[row][9]);
        donor.Phone = TrimNonNull(cells[row][10]);
        donor.EmailAddress = TrimNonNull(cells[row][11]);
        donor.Notes = TrimNonNull(cells[row][12]);
        donor.Thanker = TrimNonNull(cells[row][13]);
        donors.add(donor);
      }

    } catch (ServiceException E) {
      throw new Exception("Cannot access Huruma House Donors spreadsheet");
    }
    return donors;
  }
  public void writeBatchRows(
      WorksheetEntry worksheetEntry, List<Map<Integer, Object>> rowList, int rowOffset)
      throws IOException, ServiceException {

    long startTime = System.currentTimeMillis();

    URL cellFeedUrl = worksheetEntry.getCellFeedUrl();
    CellFeed cellFeed = spreadsheetService.getFeed(worksheetEntry.getCellFeedUrl(), CellFeed.class);
    CellFeed batchRequest = new CellFeed();
    logger.info("Get Row Count:  " + cellFeed.getRowCount());
    int rowToBegin = rowOffset;
    addEmptyRows(worksheetEntry, rowList.size());

    logger.info("Row To Begin:  " + rowToBegin);

    // Build list of cell addresses to be filled in
    List<CellAddress> cellAddrs = new ArrayList<CellAddress>();
    CellAddress cellAddress = new CellAddress();
    String formula;
    for (Map<Integer, Object> row : rowList) {

      for (Map.Entry<Integer, Object> entry : row.entrySet()) {
        int column = entry.getKey();
        if (!(entry.getValue() instanceof String)) {
          formula = entry.getValue().toString();
        } else {
          formula = (String) entry.getValue();
        }
        logger.info("********************Column: " + column + "Formula: " + formula);

        cellAddress.setCol(column);
        cellAddress.setRow(rowToBegin);
        cellAddress.setIdString(String.format("R%sC%s", rowToBegin, column));
        cellAddrs.add(cellAddress);
        for (CellAddress cellAddr : cellAddrs) {
          CellEntry batchEntry = new CellEntry(cellAddr.row, cellAddr.col, formula);
          batchEntry.setId(String.format("%s/%s", cellFeedUrl.toString(), cellAddr.idString));
          BatchUtils.setBatchId(batchEntry, cellAddr.idString);
          BatchUtils.setBatchOperationType(batchEntry, BatchOperationType.UPDATE);

          logger.fine("Batch Entry: " + batchEntry);

          batchRequest.getEntries().add(batchEntry);
          batchEntry = null;
        }
        cellAddrs.clear();
      }
      // batch per row
      if (rowToBegin % 100 == 0) {
        long startBatchTime = System.currentTimeMillis();

        logger.info("\n\n\nEvery 100 rows batch call: " + rowToBegin);
        performBatchUpdate(batchRequest, cellFeedUrl);
        batchRequest.getEntries().clear();
        logger.info("\n\n ms elapsed for batch:  " + (System.currentTimeMillis() - startBatchTime));
      }

      rowToBegin++;
    }

    logger.info(
        "\n\n\n\nms elapsed to create batch request: " + (System.currentTimeMillis() - startTime));
    // for the stragglers
    logger.info("\n\n\nLast rows batch call: " + rowToBegin);
    performBatchUpdate(batchRequest, cellFeedUrl);
  }