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1   /*
2    * The SmartWeb Framework
3    * Copyright (C) 2004-2006
4    *
5    * This library is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU Lesser General Public
7    * License as published by the Free Software Foundation; either
8    * version 2.1 of the License, or (at your option) any later version.
9    *
10   * This library is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   * Lesser General Public License for more details.
14   *
15   * You should have received a copy of the GNU Lesser General Public
16   * License along with this library; if not, write to the Free Software
17   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
18   *
19   * For further informations on the SmartWeb Framework please visit
20   *
21   *                        http://smartweb.sourceforge.net
22   */
23   
24  package net.smartlab.web.bean;
25  
26  /**
27   * TODO documentation
28   * 
29   * @author rlogiacco
30   */
31  public abstract class NumberConverter extends Converter {
32  
33  	private double value;
34  
35  	/**
36  	 * TODO documentation
37  	 */
38  	public NumberConverter() {
39  		value = Double.NaN;
40  	}
41  
42  	/**
43  	 * TODO documentation
44  	 * 
45  	 * @param value
46  	 */
47  	public NumberConverter(double value) {
48  		this.value = value;
49  	}
50  
51  	/**
52  	 * TODO documentation
53  	 * 
54  	 * @return
55  	 */
56  	protected boolean hasDefault() {
57  		return !Double.isNaN(value);
58  	}
59  
60  	/**
61  	 * TODO documentation
62  	 * 
63  	 * @return
64  	 */
65  	protected double getDefault() {
66  		return value;
67  	}
68  }