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1   /***
2    * EnumerationConfiguration.java
3    *
4    * This file is part of the creme library.
5    * The creme library intends to ease the development effort of large
6    * applications by providing easy to use support classes.
7    *
8    * Copyright (C) 2002 Denis Bregeon
9    *
10   * This library is free software; you can redistribute it and/or
11   * modify it under the terms of the GNU Lesser General Public
12   * License as published by the Free Software Foundation; either
13   * version 2.1 of the License, or (at your option) any later version.
14   *
15   * This library is distributed in the hope that it will be useful,
16   * but WITHOUT ANY WARRANTY; without even the implied warranty of
17   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18   * Lesser General Public License for more details.
19   *
20   * You should have received a copy of the GNU Lesser General Public
21   * License along with this library; if not, write to the Free Software
22   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23   *
24   * contact information: dbregeon@sourceforge.net
25   */
26  package org.jcreme.enumerations;
27  
28  /***
29   * This is a singleton class. It stores an EnumerationInitializer so that it is
30   * accessible from any point in the Virtual Machine.
31   * 
32   * @author $Author: dbregeon $
33   * @version $Revision: 1.2 $
34   */
35  public class EnumerationConfiguration {
36  	/***
37  	 * The unique instance of this class.
38  	 */
39  	private static EnumerationConfiguration instance = null;
40  
41  	/***
42  	 * The enumeration initializer to be used in the virtual machine.
43  	 */
44  	private EnumerationInitializer enumerationInitializer = null;
45  
46  	/***
47  	 * This is the access method for the singleton.
48  	 * 
49  	 * @return the unique instance of this class.
50  	 */
51  	public synchronized static EnumerationConfiguration getInstance() {
52  		if (instance == null) {
53  			instance = new EnumerationConfiguration();
54  		}
55  		return instance;
56  	}
57  
58  	/***
59  	 * Creates a new instance of StaticDataConfiguration
60  	 */
61  	protected EnumerationConfiguration() {
62  		// Nothing to do.
63  	}
64  
65  	/***
66  	 * This method sets the initializer in this configuration.
67  	 * 
68  	 * @param initializer
69  	 *            the initializer to use in this configuration. It can be null.
70  	 */
71  	public void setEnumerationInitializer(
72  			final EnumerationInitializer initializer) {
73  		this.enumerationInitializer = initializer;
74  	}
75  
76  	/***
77  	 * This method enables access to the EnumerationInitializer.
78  	 * 
79  	 * @return the initializer to use in this configuration. It can be null.
80  	 */
81  	public EnumerationInitializer getEnumerationInitializer() {
82  		return this.enumerationInitializer;
83  	}
84  }