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1   /***
2    * Copyright (C) 2006 Philipp Mpalampanis
3    *
4    * License: MPL 1.1/GPL 2.0/LGPL 2.1
5    *
6    * The contents of this file are subject to the Mozilla Public License Version
7    * 1.1 (the "License"); you may not use this file except in compliance with
8    * the License. You may obtain a copy of the License at
9    * http://www.mozilla.org/MPL/
10   *
11   * Software distributed under the License is distributed on an "AS IS" basis,
12   * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13   * for the specific language governing rights and limitations under the
14   * License.
15   *
16   * Alternatively, the contents of this file may be used under the terms of
17   * either the GNU General Public License Version 2 or later (the "GPL"), or
18   * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
19   * in which case the provisions of the GPL or the LGPL are applicable instead
20   * of those above. If you wish to allow use of your version of this file only
21   * under the terms of either the GPL or the LGPL, and not to allow others to
22   * use your version of this file under the terms of the MPL, indicate your
23   * decision by deleting the provisions above and replace them with the notice
24   * and other provisions required by the GPL or the LGPL. If you do not delete
25   * the provisions above, a recipient may use your version of this file under
26   * the terms of any one of the MPL, the GPL or the LGPL.
27   */
28  package net.sf.echobinding.util;
29  
30  /***
31   *
32   */
33  public class Util {
34  
35  	public static final String NULL_STRING = "[null]";
36  	
37  	public static String valueToString(Object value) {
38  		return value==null ? NULL_STRING : value.toString();
39  	}
40  
41  	public static String stringToValue(String string) {
42  		return string.equals(NULL_STRING) ? null : string;
43  	}
44  }