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1   /*
2    *  XNap Commons
3    *
4    *  Copyright (C) 2005  Steffen Pingel
5    *
6    *  This library is free software; you can redistribute it and/or
7    *  modify it under the terms of the GNU Lesser General Public
8    *  License as published by the Free Software Foundation; either
9    *  version 2.1 of the License, or (at your option) any later version.
10   *
11   *  This library 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 GNU
14   *  Lesser General Public License for more details.
15   *
16   *  You should have received a copy of the GNU Lesser General Public
17   *  License along with this library; if not, write to the Free Software
18   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19   */
20  package org.xnap.commons.settings;
21  
22  import java.util.StringTokenizer;
23  
24  /***
25   * Provides a setting for <code>Font</code> objects.
26   */
27  public class IntArraySetting extends AbstractSetting<Integer[]> {
28  
29      public IntArraySetting(SettingResource backend, String key, Integer[] defaultValue, Validator validator)
30      {
31      	super(backend, key, defaultValue, validator);
32      }
33  
34      public IntArraySetting(SettingResource backend, String key, Integer[] defaultValue)
35      {
36      	super(backend, key, defaultValue, null);
37      }
38  
39      protected Integer[] fromString(String value)
40  	{
41  		StringTokenizer t = new StringTokenizer(value, ARRAY_SEPARATOR);
42  
43  		try {
44  			Integer[] values = new Integer[t.countTokens()];
45  			for (int i = 0; i < values.length; i++) {
46  				values[i] = new Integer(t.nextToken());
47  			}
48  			return values;
49  		} 
50  		catch (NumberFormatException e) {
51  			return null;
52  		}
53  	}
54  
55  	protected String toString(Integer[] value)
56  	{
57  		StringBuilder sb = new StringBuilder();
58  		for (int i = 0; i < value.length; i++) {
59  			sb.append(value[i]);
60  			sb.append(ARRAY_SEPARATOR);
61  		}
62  		return sb.toString();
63  	}
64  
65  }