private Triplet<String, String, String> createTripletForExternalIdentifier(ExternalIdentifier entity) {
String first = entity.getExternalIdUrl() == null ? "" : entity.getExternalIdUrl().getValue();
String second = entity.getExternalIdReference() == null ? "" : entity.getExternalIdReference().getContent();
String third = entity.getExternalIdCommonName() == null ? "" : entity.getExternalIdCommonName().getContent();
Triplet<String, String, String> triplet = new Triplet<String, String, String>(first, second, third);
return triplet;
}