Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ScalarDataModel |
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| 2.4444444444444446;2.444 |
1 | /* | |
2 | * Copyright 2004-2011 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 javax.faces.model; | |
17 | ||
18 | /** | |
19 | * @author shot | |
20 | */ | |
21 | public class ScalarDataModel extends DataModel { | |
22 | ||
23 | 12 | private Object scalar = null; |
24 | ||
25 | 12 | private int index = -1; |
26 | ||
27 | public ScalarDataModel() { | |
28 | 12 | this(null); |
29 | 12 | } |
30 | ||
31 | public ScalarDataModel(Object scalar) { | |
32 | 12 | super(); |
33 | 12 | setWrappedData(scalar); |
34 | 12 | } |
35 | ||
36 | public int getRowCount() { | |
37 | 2 | return (scalar != null) ? 1 : -1; |
38 | } | |
39 | ||
40 | public Object getRowData() { | |
41 | 3 | if (scalar == null) { |
42 | 1 | return null; |
43 | } | |
44 | 2 | if (!isRowAvailable()) { |
45 | 1 | throw new IllegalArgumentException(); |
46 | } | |
47 | 1 | return scalar; |
48 | } | |
49 | ||
50 | public int getRowIndex() { | |
51 | 4 | return (scalar != null) ? 0 : -1; |
52 | } | |
53 | ||
54 | public Object getWrappedData() { | |
55 | 0 | return scalar; |
56 | } | |
57 | ||
58 | public boolean isRowAvailable() { | |
59 | 5 | if (scalar == null) { |
60 | 2 | return false; |
61 | } | |
62 | 3 | return (index == 0) ? true : false; |
63 | } | |
64 | ||
65 | public void setRowIndex(int rowIndex) { | |
66 | 24 | if (rowIndex < -1) { |
67 | 0 | throw new IllegalArgumentException(); |
68 | } | |
69 | ||
70 | 24 | int oldIndex = index; |
71 | 24 | index = rowIndex; |
72 | ||
73 | 24 | if (scalar == null) { |
74 | 16 | return; |
75 | } | |
76 | ||
77 | 8 | DataModelListener[] listeners = getDataModelListeners(); |
78 | 8 | if ((oldIndex != index) && (listeners != null)) { |
79 | 7 | DataModelEvent event = new DataModelEvent(this, index, scalar); |
80 | 7 | for (int i = 0; i < listeners.length; i++) { |
81 | 0 | listeners[i].rowSelected(event); |
82 | } | |
83 | } | |
84 | 8 | } |
85 | ||
86 | public void setWrappedData(Object data) { | |
87 | 21 | if (data == null) { |
88 | 15 | scalar = null; |
89 | 15 | setRowIndex(-1); |
90 | } else { | |
91 | 6 | scalar = data; |
92 | 6 | setRowIndex(0); |
93 | } | |
94 | 21 | } |
95 | } |