public static List<String> stringIds(Collection<? extends DataObjectRestRep> values){
  List<String> ids=new ArrayList<String>();
  if (values != null) {
    for (    DataObjectRestRep value : values) {
      ids.add(stringId(value));
    }
  }
  return ids;
}

public static List < String > stringIds ( Collection < ? extends DataObjectRestRep > values ) { List < String > ids = new ArrayList < String > ( ) ; if ( values != null ) { for ( DataObjectRestRep value : values ) { ids . add ( stringId ( value ) ) ; } } return ids ; }
gets the ids of the resources , as a list of strings .
