Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ArrayIterator |
|
| 2.2;2.2 |
1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.contrib.table.model.common; | |
16 | ||
17 | import java.util.Iterator; | |
18 | import java.util.NoSuchElementException; | |
19 | ||
20 | /** | |
21 | * @author mindbridge | |
22 | */ | |
23 | public class ArrayIterator implements Iterator | |
24 | { | |
25 | ||
26 | private Object[] m_arrValues; | |
27 | private int m_nFrom; | |
28 | private int m_nTo; | |
29 | private int m_nCurrent; | |
30 | ||
31 | public ArrayIterator(Object[] arrValues) | |
32 | { | |
33 | 0 | this(arrValues, 0, arrValues.length); |
34 | 0 | } |
35 | ||
36 | public ArrayIterator(Object[] arrValues, int nFrom, int nTo) | |
37 | 0 | { |
38 | 0 | m_arrValues = arrValues; |
39 | 0 | m_nFrom = nFrom; |
40 | 0 | m_nTo = nTo; |
41 | ||
42 | 0 | if (m_nFrom < 0) m_nFrom = 0; |
43 | 0 | if (m_nTo < m_nFrom) m_nTo = m_nFrom; |
44 | 0 | if (m_nTo > m_arrValues.length) m_nTo = m_arrValues.length; |
45 | ||
46 | 0 | m_nCurrent = m_nFrom; |
47 | 0 | } |
48 | ||
49 | /** | |
50 | * @see java.util.Iterator#hasNext() . | |
51 | */ | |
52 | public boolean hasNext() | |
53 | { | |
54 | 0 | return m_nCurrent < m_nTo; |
55 | } | |
56 | ||
57 | /** | |
58 | * @see java.util.Iterator#next() . | |
59 | */ | |
60 | public Object next() | |
61 | { | |
62 | // System.out.println("index: " + m_nCurrent + " size: " + | |
63 | // m_arrValues.length + " to: " + m_nTo); | |
64 | 0 | if (!hasNext()) throw new NoSuchElementException(); |
65 | 0 | return m_arrValues[m_nCurrent++]; |
66 | } | |
67 | ||
68 | /** | |
69 | * @see java.util.Iterator#remove() . | |
70 | */ | |
71 | public void remove() | |
72 | { | |
73 | 0 | throw new UnsupportedOperationException(); |
74 | } | |
75 | ||
76 | } |