code: void setPageSizeAsString(String pageSize) {
  
          if (CmsStringUtil.isEmpty(pageSize)) {
              return;
          }
  
          try {
              m_pageSize = Integer.parseInt(pageSize);
          } catch (NumberFormatException e) {
              // intentionally left blank
          }
      }
docs: Sets the size of a page as a string.<p>
  
  The specified string gets parsed into an int.<p>
  
  @param pageSize the size of a page as a string