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Java > Open Source Codes > net > sf > jasperreports > engine > data > JRBeanArrayDataSource


1 /*
2  * ============================================================================
3  * GNU Lesser General Public License
4  * ============================================================================
5  *
6  * JasperReports - Free Java report-generating library.
7  * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * JasperSoft Corporation
24  * 303 Second Street, Suite 450 North
25  * San Francisco, CA 94107
26  * http://www.jaspersoft.com
27  */
28 package net.sf.jasperreports.engine.data;
29
30 import net.sf.jasperreports.engine.JRException;
31 import net.sf.jasperreports.engine.JRField;
32
33
34 /**
35  * @author Teodor Danciu (teodord@users.sourceforge.net)
36  * @version $Id: JRBeanArrayDataSource.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
37  */
38 public class JRBeanArrayDataSource extends JRAbstractBeanDataSource
39 {
40     
41
42     /**
43      *
44      */
45     private Object JavaDoc[] data = null;
46     private int index = -1;
47     
48
49     /**
50      *
51      */
52     public JRBeanArrayDataSource(Object JavaDoc[] beanArray)
53     {
54         this(beanArray, true);
55     }
56     
57
58     /**
59      *
60      */
61     public JRBeanArrayDataSource(Object JavaDoc[] beanArray, boolean isUseFieldDescription)
62     {
63         super(isUseFieldDescription);
64         
65         this.data = beanArray;
66     }
67     
68
69     /**
70      *
71      */
72     public boolean next()
73     {
74         this.index++;
75
76         if (this.data != null)
77         {
78             return (this.index < this.data.length);
79         }
80
81         return false;
82     }
83     
84     
85     /**
86      *
87      */
88     public Object JavaDoc getFieldValue(JRField field) throws JRException
89     {
90         return getFieldValue(data[this.index], field);
91     }
92
93     
94     /**
95      *
96      */
97     public void moveFirst()
98     {
99         this.index = -1;
100     }
101
102
103 }
104
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