@Override public void encodeMarkupBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException { ResponseWriter responseWriter = facesContext.getResponseWriter(); // Start the encoding of the outermost <div> element. String clientId = uiComponent.getClientId(facesContext); responseWriter.startElement("div", uiComponent); responseWriter.writeAttribute("id", clientId, "id"); // Encode the entire boundingbox <div>...<div> element. String defaultBoundingBoxClientId = getDefaultBoundingBoxClientId(facesContext, uiComponent); responseWriter.startElement("div", uiComponent); responseWriter.writeAttribute("id", defaultBoundingBoxClientId, "id"); responseWriter.endElement("div"); // Start the encoding of the hidden text input by delegating to the renderer from the JSF // runtime. DelegationResponseWriter delegationResponseWriter = getDelegationResponseWriter(facesContext, uiComponent); super.encodeMarkupBegin(facesContext, uiComponent, delegationResponseWriter); }