Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ScalarDataModel |
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| 2.111111111111111;2.111 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, | |
13 | * software distributed under the License is distributed on an | |
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
15 | * KIND, either express or implied. See the License for the | |
16 | * specific language governing permissions and limitations | |
17 | * under the License. | |
18 | */ | |
19 | package javax.faces.model; | |
20 | ||
21 | /** | |
22 | * see Javadoc of <a href="http://java.sun.com/javaee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a> | |
23 | * | |
24 | * @author Thomas Spiegl (latest modification by $Author: skitching $) | |
25 | * @version $Revision: 676298 $ $Date: 2008-07-13 05:31:48 -0500 (Sun, 13 Jul 2008) $ | |
26 | */ | |
27 | public class ScalarDataModel extends DataModel | |
28 | { | |
29 | // FIELDS | |
30 | 0 | private int _rowIndex = -1; |
31 | private Object _data; | |
32 | ||
33 | // CONSTRUCTORS | |
34 | public ScalarDataModel() | |
35 | { | |
36 | 0 | super(); |
37 | 0 | } |
38 | ||
39 | public ScalarDataModel(Object scalar) | |
40 | 0 | { |
41 | 0 | setWrappedData(scalar); |
42 | 0 | } |
43 | ||
44 | // METHODS | |
45 | public int getRowCount() | |
46 | { | |
47 | 0 | return _data != null ? 1 : -1; |
48 | } | |
49 | ||
50 | public Object getRowData() | |
51 | { | |
52 | 0 | if (_data == null) |
53 | { | |
54 | 0 | return null; |
55 | } | |
56 | 0 | if (!isRowAvailable()) |
57 | { | |
58 | 0 | throw new IllegalArgumentException("row is unavailable"); |
59 | } | |
60 | 0 | return _data; |
61 | } | |
62 | ||
63 | public int getRowIndex() | |
64 | { | |
65 | 0 | return _rowIndex; |
66 | } | |
67 | ||
68 | public Object getWrappedData() | |
69 | { | |
70 | 0 | return _data; |
71 | } | |
72 | ||
73 | public boolean isRowAvailable() | |
74 | { | |
75 | 0 | if (_data == null) |
76 | { | |
77 | 0 | return false; |
78 | } | |
79 | 0 | return _rowIndex == 0; |
80 | } | |
81 | ||
82 | public void setRowIndex(int rowIndex) | |
83 | { | |
84 | 0 | if (rowIndex < -1) |
85 | { | |
86 | 0 | throw new IllegalArgumentException("illegal rowIndex " + rowIndex); |
87 | } | |
88 | 0 | int oldRowIndex = _rowIndex; |
89 | 0 | _rowIndex = rowIndex; |
90 | 0 | if (_data != null && oldRowIndex != _rowIndex) |
91 | { | |
92 | 0 | Object data = isRowAvailable() ? getRowData() : null; |
93 | 0 | DataModelEvent event = new DataModelEvent(this, _rowIndex, data); |
94 | 0 | DataModelListener[] listeners = getDataModelListeners(); |
95 | 0 | for (int i = 0; i < listeners.length; i++) |
96 | { | |
97 | 0 | listeners[i].rowSelected(event); |
98 | } | |
99 | } | |
100 | 0 | } |
101 | ||
102 | public void setWrappedData(Object data) | |
103 | { | |
104 | 0 | _data = data; |
105 | 0 | int rowIndex = _data != null ? 0 : -1; |
106 | 0 | setRowIndex(rowIndex); |
107 | 0 | } |
108 | ||
109 | } |