Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
LoopingIterator |
|
| 1.25;1.25 |
1 | /* | |
2 | * Copyright 2004-2010 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 | ||
17 | package org.seasar.cubby.admin.servlet; | |
18 | ||
19 | import java.util.Collection; | |
20 | import java.util.Iterator; | |
21 | ||
22 | 0 | class LoopingIterator<E> implements Iterator<E> { |
23 | ||
24 | private Collection<E> collection; | |
25 | ||
26 | private Iterator<E> iterator; | |
27 | ||
28 | 0 | public LoopingIterator(Collection<E> collection) { |
29 | 0 | assert collection != null; |
30 | 0 | this.collection = collection; |
31 | 0 | this.iterator = collection.iterator(); |
32 | 0 | } |
33 | ||
34 | public boolean hasNext() { | |
35 | 0 | return !collection.isEmpty(); |
36 | } | |
37 | ||
38 | public E next() { | |
39 | 0 | if (!iterator.hasNext()) { |
40 | 0 | iterator = collection.iterator(); |
41 | } | |
42 | 0 | return iterator.next(); |
43 | } | |
44 | ||
45 | public void remove() { | |
46 | 0 | iterator.remove(); |
47 | 0 | } |
48 | ||
49 | } |