Coverage Report

Coverage Report - javax.faces.model.ScalarDataModel

Classes in this File

Line Coverage

Branch Coverage

Complexity

ScalarDataModel

0/33

0/22

2.444

 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */
 package javax.faces.model;
 
 /**
  * see Javadoc of <a href="http://java.sun.com/javaee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a>
  */
 public class ScalarDataModel<E> extends DataModel<E>
 {
     // FIELDS
     private int _rowIndex = -1;
     private E _data;
 
     // CONSTRUCTORS
     public ScalarDataModel()
     {
         super();
     }
 
     public ScalarDataModel(E scalar)
     {
         setWrappedData(scalar);
     }
 
     // METHODS
     @Override
     public int getRowCount()
     {
         return _data != null ? 1 : -1;
     }
 
     @Override
     public E getRowData()
     {
         if (_data == null)
         {
             return null;
         }
         if (!isRowAvailable())
         {
             throw new IllegalArgumentException("row is unavailable");
         }
         return _data;
     }
 
     @Override
     public int getRowIndex()
     {
         return _rowIndex;
     }
 
     @Override
     public Object getWrappedData()
     {
         return _data;
     }
 
     @Override
     public boolean isRowAvailable()
     {
         return _data != null && _rowIndex == 0;
     }
 
     @Override
     public void setRowIndex(int rowIndex)
     {
         if (rowIndex < -1)
         {
             throw new IllegalArgumentException("illegal rowIndex " + rowIndex);
         }
         int oldRowIndex = _rowIndex;
         _rowIndex = rowIndex;
         if (_data != null && oldRowIndex != _rowIndex)
         {
             Object data = isRowAvailable() ? getRowData() : null;
             DataModelEvent event = new DataModelEvent(this, _rowIndex, data);
             DataModelListener[] listeners = getDataModelListeners();
             for (int i = 0; i < listeners.length; i++)
             {
                 listeners[i].rowSelected(event);
             }
         }
     }
 
     @Override
     public void setWrappedData(Object data)
     {
         if (data == null)
         {
             setRowIndex(-1);
             _data = null;
         }
         else
         {
             _data = (E) data;
             _rowIndex = -1;
             setRowIndex(0);
         }
     }
 
 }

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		public class ScalarDataModel<E> extends DataModel<E>
25		{
26		// FIELDS
27	0	private int _rowIndex = -1;
28		private E _data;
29
30		// CONSTRUCTORS
31		public ScalarDataModel()
32		{
33	0	super();
34	0	}
35
36		public ScalarDataModel(E scalar)
37	0	{
38	0	setWrappedData(scalar);
39	0	}
40
41		// METHODS
42		@Override
43		public int getRowCount()
44		{
45	0	return _data != null ? 1 : -1;
46		}
47
48		@Override
49		public E getRowData()
50		{
51	0	if (_data == null)
52		{
53	0	return null;
54		}
55	0	if (!isRowAvailable())
56		{
57	0	throw new IllegalArgumentException("row is unavailable");
58		}
59	0	return _data;
60		}
61
62		@Override
63		public int getRowIndex()
64		{
65	0	return _rowIndex;
66		}
67
68		@Override
69		public Object getWrappedData()
70		{
71	0	return _data;
72		}
73
74		@Override
75		public boolean isRowAvailable()
76		{
77	0	return _data != null && _rowIndex == 0;
78		}
79
80		@Override
81		public void setRowIndex(int rowIndex)
82		{
83	0	if (rowIndex < -1)
84		{
85	0	throw new IllegalArgumentException("illegal rowIndex " + rowIndex);
86		}
87	0	int oldRowIndex = _rowIndex;
88	0	_rowIndex = rowIndex;
89	0	if (_data != null && oldRowIndex != _rowIndex)
90		{
91	0	Object data = isRowAvailable() ? getRowData() : null;
92	0	DataModelEvent event = new DataModelEvent(this, _rowIndex, data);
93	0	DataModelListener[] listeners = getDataModelListeners();
94	0	for (int i = 0; i < listeners.length; i++)
95		{
96	0	listeners[i].rowSelected(event);
97		}
98		}
99	0	}
100
101		@Override
102		public void setWrappedData(Object data)
103		{
104	0	if (data == null)
105		{
106	0	setRowIndex(-1);
107	0	_data = null;
108		}
109		else
110		{
111	0	_data = (E) data;
112	0	_rowIndex = -1;
113	0	setRowIndex(0);
114		}
115	0	}
116
117		}