Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
LoopingIterator |
|
| 1.25;1.25 |
1 | /* | |
2 | * Copyright 2004-2009 the Seasar Foundation and the Others. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, | |
13 | * either express or implied. See the License for the specific language | |
14 | * governing permissions and limitations under the License. | |
15 | */ | |
16 | package org.seasar.cubby.admin.servlet; | |
17 | ||
18 | import java.util.Collection; | |
19 | import java.util.Iterator; | |
20 | ||
21 | 0 | class LoopingIterator<E> implements Iterator<E> { |
22 | ||
23 | private Collection<E> collection; | |
24 | ||
25 | private Iterator<E> iterator; | |
26 | ||
27 | 0 | public LoopingIterator(Collection<E> collection) { |
28 | 0 | assert collection != null; |
29 | 0 | this.collection = collection; |
30 | 0 | this.iterator = collection.iterator(); |
31 | 0 | } |
32 | ||
33 | public boolean hasNext() { | |
34 | 0 | return !collection.isEmpty(); |
35 | } | |
36 | ||
37 | public E next() { | |
38 | 0 | if (!iterator.hasNext()) { |
39 | 0 | iterator = collection.iterator(); |
40 | } | |
41 | 0 | return iterator.next(); |
42 | } | |
43 | ||
44 | public void remove() { | |
45 | 0 | iterator.remove(); |
46 | 0 | } |
47 | ||
48 | } |