Encoding the Buttons: Java Code

   private static final String MORE = ".more";
   private static final String LESS = ".less";

   private void encodeDecrementButton(ResponseWriter writer, String clientId) 
         throws IOException {
      writer.startElement("input", this);
      writer.writeAttribute("type", "submit", null);
      writer.writeAttribute("name", clientId + LESS, null);
      writer.writeAttribute("value", "<", "value");
      writer.endElement("input");
   }

   private void encodeIncrementButton(ResponseWriter writer, String clientId) 
                                                          throws IOException {
      writer.startElement("input", this);
      writer.writeAttribute("type", "submit", null);
      writer.writeAttribute("name", clientId + MORE, null);
      writer.writeAttribute("value", ">", "value");
      writer.endElement("input");
   }