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1
3 package jodd.util.collection;
4
5 import java.util.Collection  ;
6 import java.util.Iterator ;
7 import java.util.NoSuchElementException ;
8
9 public class JoinedIterator implements Iterator {
10
11 private Iterator mIterators[];
12 private int mCurrentIterator;
13
14 public JoinedIterator(Collection collection) {
15 mIterators = new Iterator [collection.size()];
16 mIterators = (Iterator [])collection.toArray(mIterators);
17 }
18
19 public JoinedIterator(Iterator iterator, Iterator iterator1) {
20 mIterators = (new Iterator [] {iterator, iterator1});
21 }
22
23 public JoinedIterator(Iterator aiterator[]) {
24 mIterators = aiterator;
25 }
26
27 public boolean hasNext() {
28 if (mCurrentIterator >= mIterators.length) return false;
29 if (mIterators[mCurrentIterator].hasNext()) return true;
30 mCurrentIterator++;
31 if (mCurrentIterator >= mIterators.length) return false;
32 else return mIterators[mCurrentIterator].hasNext();
33 }
34
35 public Object next() {
36 if (!hasNext()) {
37 throw new NoSuchElementException ();
38 } else {
39 return mIterators[mCurrentIterator].next();
40 }
41 }
42
43 public void remove() {
44 if (mCurrentIterator >= mIterators.length) {
45 throw new NoSuchElementException ();
46 } else {
47 mIterators[mCurrentIterator].remove();
48 }
49 }
50 }
51 |
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