private void showResultSetPretty()

in src/main/java/com/googlesource/gerrit/plugins/verifystatus/VerifyStatusQueryShell.java [515:620]
92 lines of code
27 McCabe index (conditional complexity)

  private void showResultSetPretty(
      final ResultSet rs, boolean alreadyOnRow, long start, Function... show) throws SQLException {
    final ResultSetMetaData meta = rs.getMetaData();

    final Function[] columnMap;
    if (show != null && 0 < show.length) {
      columnMap = show;

    } else {
      final int colCnt = meta.getColumnCount();
      columnMap = new Function[colCnt];
      for (int colId = 0; colId < colCnt; colId++) {
        final int p = colId + 1;
        final String name = meta.getColumnLabel(p);
        columnMap[colId] = new Identity(p, name);
      }
    }

    final int colCnt = columnMap.length;
    final int[] widths = new int[colCnt];
    for (int c = 0; c < colCnt; c++) {
      widths[c] = columnMap[c].name.length();
    }

    final List<String[]> rows = new ArrayList<>();
    while (alreadyOnRow || rs.next()) {
      final String[] row = new String[columnMap.length];
      for (int c = 0; c < colCnt; c++) {
        row[c] = columnMap[c].apply(rs);
        if (row[c] == null) {
          row[c] = "NULL";
        }
        widths[c] = Math.max(widths[c], row[c].length());
      }
      rows.add(row);
      alreadyOnRow = false;
    }

    final StringBuilder b = new StringBuilder();
    for (int c = 0; c < colCnt; c++) {
      if (0 < c) {
        b.append(" | ");
      }

      String n = columnMap[c].name;
      if (widths[c] < n.length()) {
        n = n.substring(0, widths[c]);
      }
      b.append(n);

      if (c < colCnt - 1) {
        for (int pad = n.length(); pad < widths[c]; pad++) {
          b.append(' ');
        }
      }
    }
    println(" " + b.toString());

    b.setLength(0);
    for (int c = 0; c < colCnt; c++) {
      if (0 < c) {
        b.append("-+-");
      }
      for (int pad = 0; pad < widths[c]; pad++) {
        b.append('-');
      }
    }
    println(" " + b.toString());

    boolean dataTruncated = false;
    for (String[] row : rows) {
      b.setLength(0);
      b.append(' ');

      for (int c = 0; c < colCnt; c++) {
        final int max = widths[c];
        if (0 < c) {
          b.append(" | ");
        }

        String s = row[c];
        if (1 < colCnt && max < s.length()) {
          s = s.substring(0, max);
          dataTruncated = true;
        }
        b.append(s);

        if (c < colCnt - 1) {
          for (int pad = s.length(); pad < max; pad++) {
            b.append(' ');
          }
        }
      }
      println(b.toString());
    }

    if (dataTruncated) {
      warning("some column data was truncated");
    }

    if (start != 0) {
      final int rowCount = rows.size();
      final long ms = TimeUtil.nowMs() - start;
      println("(" + rowCount + (rowCount == 1 ? " row" : " rows") + "; " + ms + " ms)");
    }
  }