Coverage Report

Coverage Report - javax.faces.model.ListDataModel

Classes in this File

Line Coverage

Branch Coverage

Complexity

ListDataModel

67%

25/37

65%

17/26

2.889

 /*
  * 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;
 
 import java.util.List;
 
 /**
  * see Javadoc of <a href="http://java.sun.com/javaee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a>
  */
 public class ListDataModel<E> extends DataModel<E>
 {
 
     // FIELDS
     private int _rowIndex = -1;
     private List<E> _data;
 
     // CONSTRUCTORS
     public ListDataModel()
     {
         super();
     }
 
     public ListDataModel(List<E> list)
     {
         if (list == null)
         {
             throw new NullPointerException("list");
         }
         setWrappedData(list);
     }
 
     // METHODS
     @Override
     public int getRowCount()
     {
         if (_data == null)
         {
             return -1;
         }
         return _data.size();
     }
 
     @Override
     public E getRowData()
     {
         if (_data == null)
         {
             return null;
         }
         if (!isRowAvailable())
         {
             throw new IllegalArgumentException("row is unavailable");
         }
         return _data.get(_rowIndex);
     }
 
     @Override
     public int getRowIndex()
     {
         return _rowIndex;
     }
 
     @Override
     public Object getWrappedData()
     {
         return _data;
     }
 
     @Override
     public boolean isRowAvailable()
     {
         return _data != null && _rowIndex >= 0 && _rowIndex < _data.size();
     }
 
     @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)
         {
             E 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 = (List<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		import java.util.List;
22
23		/**
24		* see Javadoc of <a href="http://java.sun.com/javaee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a>
25		*/
26		public class ListDataModel<E> extends DataModel<E>
27		{
28
29		// FIELDS
30	28	private int _rowIndex = -1;
31		private List<E> _data;
32
33		// CONSTRUCTORS
34		public ListDataModel()
35		{
36	0	super();
37	0	}
38
39		public ListDataModel(List<E> list)
40	28	{
41	28	if (list == null)
42		{
43	0	throw new NullPointerException("list");
44		}
45	28	setWrappedData(list);
46	28	}
47
48		// METHODS
49		@Override
50		public int getRowCount()
51		{
52	10	if (_data == null)
53		{
54	0	return -1;
55		}
56	10	return _data.size();
57		}
58
59		@Override
60		public E getRowData()
61		{
62	348	if (_data == null)
63		{
64	0	return null;
65		}
66	348	if (!isRowAvailable())
67		{
68	0	throw new IllegalArgumentException("row is unavailable");
69		}
70	348	return _data.get(_rowIndex);
71		}
72
73		@Override
74		public int getRowIndex()
75		{
76	0	return _rowIndex;
77		}
78
79		@Override
80		public Object getWrappedData()
81		{
82	0	return _data;
83		}
84
85		@Override
86		public boolean isRowAvailable()
87		{
88	764	return _data != null && _rowIndex >= 0 && _rowIndex < _data.size();
89		}
90
91		@Override
92		public void setRowIndex(int rowIndex)
93		{
94	236	if (rowIndex < -1)
95		{
96	0	throw new IllegalArgumentException("illegal rowIndex " + rowIndex);
97		}
98	236	int oldRowIndex = _rowIndex;
99	236	_rowIndex = rowIndex;
100	236	if (_data != null && oldRowIndex != _rowIndex)
101		{
102	210	E data = isRowAvailable() ? getRowData() : null;
103	210	DataModelEvent event = new DataModelEvent(this, _rowIndex, data);
104	210	DataModelListener[] listeners = getDataModelListeners();
105	210	for (int i = 0; i < listeners.length; i++)
106		{
107	0	listeners[i].rowSelected(event);
108		}
109		}
110	236	}
111
112		@Override
113		public void setWrappedData(Object data)
114		{
115	28	if (data == null)
116		{
117	0	setRowIndex(-1);
118	0	_data = null;
119		}
120		else
121		{
122	28	_data = (List<E>)data;
123	28	_rowIndex = -1;
124	28	setRowIndex(0);
125		}
126	28	}
127
128		}