public void decode(FacesContext facesContext, UIComponent component) {
Map<String, String> params = facesContext.getExternalContext().getRequestParameterMap();
DataGrid grid = (DataGrid) component;
String clientId = grid.getClientId(facesContext);
boolean isAjaxPaging = params.containsKey(clientId + "_ajaxPaging");
if (isAjaxPaging) {
grid.setFirst(Integer.valueOf(params.get(clientId + "_first")));
grid.setRows(Integer.valueOf(params.get(clientId + "_rows")));
grid.setPage(Integer.valueOf(params.get(clientId + "_page")));
}
}
