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1   /********************************************************************************
2    *InternetCafe is a software solution that helps the management of Cybercafes 
3    * according with the ITALIAN DECREE LAW ON ANTI-TERROR MEASURES, 27 JULY 2005.
4    * Copyright (C) 2006  Guido Angelo Ingenito
5   
6    * This program is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU General Public License
8    * as published by the Free Software Foundation; either version 2
9    * of the License, or (at your option) any later version.
10  
11   * This program is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   * GNU General Public License for more details.
15   * 
16   * You should have received a copy of the GNU General Public License
17   * along with this program; if not, write to the Free Software
18   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
19   *******************************************************************************/
20  package base.jdbs.cryptography;
21  
22  import java.io.File;
23  
24  import org.apache.log4j.Logger;
25  
26  
27  public abstract class Key {
28  
29  	private static final transient Logger logger = Logger.getLogger(Key.class.getName());
30  
31  	/***The keys'value.**/
32  	private Object value;
33  	
34  	/***
35  	 * @param value The value associated to the key.
36  	 */
37  	public Key(Object value){
38  		this.value = value;
39  	}
40  
41  	/***
42  	 * @return Returns the value.
43  	 */
44  	public Object getValue() {
45  		return value;
46  	}
47  
48  	/***
49  	 * @param value The value to set.
50  	 */
51  	public void setValue(String value) {
52  		this.value = value;
53  	}
54  	
55  	/***
56  	 * This method offers the facility to store the keys'content in the file system.
57  	 * @param file The file where the keys'content must be stored.
58  	 */
59  	public abstract void store(File file);
60  	
61  	/***
62  	 * This method offers the facility to retrieve the keys'content from the file system.
63  	 * @param file The file from wich the keys'content must be retrieved.
64  	 */
65  	public abstract void retrieve(File file);
66  	
67  }