private static double parsePageSize(final String sizeStr) {
    int slashPos = sizeStr.indexOf('/');
    if (slashPos >= 0) {
      int spacePos = sizeStr.indexOf(' ');
      int intPart = Integer.parseInt(sizeStr.substring(0, spacePos));
      double numerator = Double.parseDouble(sizeStr.substring(spacePos + 1, slashPos));
      double denominator = Double.parseDouble(sizeStr.substring(slashPos + 1));
      return intPart + numerator / denominator;
    }
    return Integer.parseInt(sizeStr);
  }
private static double parsePageSize(final String sizeStr)