facade/src/main/java/org/jboss/pnc/facade/providers/SCMRepositoryProviderImpl.java
private <T> void addToListIfStringNotNullAndNotEmpty(List<T> list, String str, T item) {

        if (str != null && !str.isEmpty()) {
            list.add(item);
        }
    }
private <T> void addToListIfStringNotNullAndNotEmpty(List<T> list, String str, T item) {

        if (str != null && !str.isEmpty()) {
            list.add(item);
        }
    }
Add item to the list if the string is not null *and* not empty

@param list
@param str
@param item
@param <T>