private void addAttributes(GroupDataItem level01, Package p, Class c, ModelAccessFacade model) {
HashMap attrs = getAllAttributes(c);
for ( int i = 0; i < level01.getDataItems().length; i++) {
if ( level01.getDataItems()[i] instanceof ElementaryDataItem ) {
ElementaryDataItem edi = (ElementaryDataItem)level01.getDataItems()[i];
String attrName = edi.getDataName();
DataField dataField = (DataField)edi.interpret();
if (dataField != null) {
Property attr = (Property)attrs.get(attrName);
Type type = dataField.getType() == Integer.class ? integerType : stringType;
if (attr == null) {
String timestampFormat = "";