KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > net > sf > jasperreports > engine > fill > AbstractValueProvider


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.fill;
29
30
31 /**
32  * @author Teodor Danciu (teodord@users.sourceforge.net)
33  * @version $Id: AbstractValueProvider.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
34  */
35 public abstract class AbstractValueProvider
36 {
37
38
39     /**
40      *
41      */
42     private static AbstractValueProvider currentValueProvider =
43         new AbstractValueProvider()
44         {
45             public Object JavaDoc getValue(JRCalculable calculable)
46             {
47                 return calculable.getValue();
48             }
49         };
50
51     /**
52      *
53      */
54     private static AbstractValueProvider estimatedValueProvider =
55         new AbstractValueProvider()
56         {
57             public Object JavaDoc getValue(JRCalculable calculable)
58             {
59                 return ((JRFillVariable) calculable).getEstimatedValue();
60             }
61         };
62
63
64     /**
65      *
66      */
67     public static AbstractValueProvider getCurrentValueProvider()
68     {
69         return currentValueProvider;
70     }
71
72
73     /**
74      *
75      */
76     public static AbstractValueProvider getEstimatedValueProvider()
77     {
78         return estimatedValueProvider;
79     }
80
81
82     /**
83      *
84      */
85     public abstract Object JavaDoc getValue(JRCalculable calculable);
86
87
88 }
89
Popular Tags