Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
IteratorBooleanIterator |
|
| 1.2;1.2 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | package org.apache.commons.collections.primitives.adapters; | |
18 | ||
19 | import java.util.Iterator; | |
20 | ||
21 | import org.apache.commons.collections.primitives.BooleanIterator; | |
22 | ||
23 | /** | |
24 | * Adapts a {@link Boolean Boolean}-valued {@link java.util.Iterator Iterator} | |
25 | * to the {@link org.apache.commons.collections.primitives.BooleanIterator | |
26 | * BooleanIterator} interface. | |
27 | * <p /> | |
28 | * This implementation delegates most methods to the provided {@link | |
29 | * java.util.Iterator Iterator} implementation in the "obvious" way. | |
30 | * | |
31 | * @since Commons Primitives 1.2 | |
32 | * @version $Revision: 480462 $ | |
33 | */ | |
34 | public class IteratorBooleanIterator implements BooleanIterator { | |
35 | ||
36 | /** | |
37 | * Create an {@link org.apache.commons.collections.primitives.BooleanIterator | |
38 | * BooleanIterator} wrapping the specified {@link java.util.Iterator | |
39 | * Iterator}. When the given <i>iterator</i> is <code>null</code>, returns | |
40 | * <code>null</code>. | |
41 | * | |
42 | * @param iterator the (possibly <code>null</code>) | |
43 | * {@link java.util.Iterator Iterator} to wrap | |
44 | * @return an {@link | |
45 | * org.apache.commons.collections.primitives.BooleanIterator BooleanIterator} | |
46 | * wrapping the given <i>iterator</i>, or <code>null</code> when <i> | |
47 | * iterator</i> is <code>null</code>. | |
48 | */ | |
49 | public static BooleanIterator wrap(Iterator iterator) { | |
50 | 284 | return null == iterator ? null : new IteratorBooleanIterator(iterator); |
51 | } | |
52 | ||
53 | /** | |
54 | * Creates an {@link org.apache.commons.collections.primitives.BooleanIterator | |
55 | * BooleanIterator} wrapping the specified {@link java.util.Iterator Iterator}. | |
56 | * @see #wrap | |
57 | */ | |
58 | 284 | public IteratorBooleanIterator(Iterator iterator) { |
59 | 284 | _iterator = iterator; |
60 | 284 | } |
61 | ||
62 | public boolean hasNext() { | |
63 | 5384 | return _iterator.hasNext(); |
64 | } | |
65 | ||
66 | public boolean next() { | |
67 | 5114 | return ((Boolean)(_iterator.next())).booleanValue(); |
68 | } | |
69 | ||
70 | public void remove() { | |
71 | 0 | _iterator.remove(); |
72 | 0 | } |
73 | ||
74 | 284 | private Iterator _iterator = null; |
75 | ||
76 | } |