code: public static final StringBuffer asStringBuffer(WsByteBuffer[] list) {
          StringBuffer sb = new StringBuffer();
          String data = asString(list);
          if (null != data) {
              sb.append(data);
          }
          return sb;
      }
docs: Convert a list of buffers to a StringBuffer. Null or empty data will result
  in
  an empty StringBuffer.
  
  @param list
  @return StringBuffer