/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package javax.faces.model;
public class ArrayDataModel extends DataModel
{
private Object []_array;
private int _rowIndex = -1;
public ArrayDataModel()
{
}
public ArrayDataModel(Object []array)
{
_array = array;
setRowIndex(0);
}
public int getRowCount()
{
if (_array != null)
return _array.length;
else
return -1;
}
public Object getRowData()
{
if (_array == null)
return null;
else if (_rowIndex < _array.length)
return _array[_rowIndex];
else
throw new IllegalArgumentException("row " + _rowIndex + " is not available in " + _array.length);
}
public boolean isRowAvailable()
{
return _array != null && _rowIndex < _array.length;
}
public Object getWrappedData()
{
return _array;
}
public void setWrappedData(Object data)
{
_array = (Object []) data;
setRowIndex(0);
}
public int getRowIndex()
{
return _rowIndex;
}
public void setRowIndex(int index)
{
if (_array != null && index < -1)
throw new IllegalArgumentException("rowIndex '" + index + "' cannot be less than -1.");
DataModelListener []listeners = getDataModelListeners();
if (listeners.length > 0 && _array != null && _rowIndex != index) {
DataModelEvent event = new DataModelEvent(this, index, _array);
for (int i = 0; i < listeners.length; i++) {
listeners[i].rowSelected(event);
}
}
_rowIndex = index;
}
}