- SupportingLink first = link.nonnullSupportingLink().values().iterator().next();
- if (first != null && first.getLinkRef() != null) {
- return first.getLinkRef().toString();
- } else {
+ Iterator<SupportingLink> supportingLinkIterator = link.nonnullSupportingLink().values().iterator();
+ if (!supportingLinkIterator.hasNext()) {
+ return "";
+ }
+ SupportingLink first = supportingLinkIterator.next();
+ if (first == null || first.getLinkRef() == null) {