String columnClasses = (String) component.getAttributes().get(
"columnClasses");
if (null != columnClasses) {
classes = columnClasses.split(",");
}
Iterator<UIComponent> iter = colgroup.columns();
boolean first = true;
int currentColumn = 0;
int currentRow = 0;
UIComponent column = null;
Map<String, Object> requestMap = context.getExternalContext().getRequestMap();