| /hostadmiral/trunk/src/ak/hostadmiral/util/CollectionUtils.java |
|---|
| 0,0 → 1,22 |
| package ak.hostadmiral.util; |
| import java.util.Collection; |
| import java.util.Iterator; |
| public class CollectionUtils |
| { |
| /** |
| * adds elements of second collection to the first one if they are not in it yet |
| */ |
| public static Collection addUnique(Collection first, Collection second) |
| { |
| if(first == null || second == null) return first; |
| for(Iterator i = second.iterator(); i.hasNext(); ) { |
| Object o = i.next(); |
| if(!first.contains(o)) first.add(o); |
| } |
| return first; |
| } |
| } |