code: public Long getMaxFileSize()
     {
        if (childNode.getTextValueForPatternName("max-file-size") != null && !childNode.getTextValueForPatternName("max-file-size").equals("null")) {
           return Long.valueOf(childNode.getTextValueForPatternName("max-file-size"));
        }
        return null;
     }
docs: Returns the <code>max-file-size</code> element
  @return the node defined for the element <code>max-file-size</code>