List<SwordAcceptPackaging> acceptsPackaging = collection.getAcceptPackaging();
StringBuilder acceptPackagingList = new StringBuilder();
for (Iterator i = acceptsPackaging.iterator(); i.hasNext();) {
SwordAcceptPackaging accept = (SwordAcceptPackaging) i.next();
acceptPackagingList.append(accept.getContent()).append(" (").append(accept.getQualityValue()).append(")");
// add a , separator if there are any more items in the list
if( i.hasNext() ) {
acceptPackagingList.append(", ");
}