code: public static List<CharSequence> getBodies(Message message) {
          XHTMLExtension xhtmlExtension = XHTMLExtension.from(message);
          if (xhtmlExtension != null)
              return xhtmlExtension.getBodies();
          else
              return null;
      }
docs: Returns an Iterator for the XHTML bodies in the message. Returns null if
  the message does not contain an XHTML extension.
  
  @param message an XHTML message
  @return an Iterator for the bodies in the message or null if none.