IntArrayEditor


1   /*
2     * JBoss, Home of Professional Open Source
3     * Copyright 2005, JBoss Inc., and individual contributors as indicated
4     * by the @authors tag. See the copyright.txt in the distribution for a
5     * full listing of individual contributors.
6     *
7     * This is free software; you can redistribute it and/or modify it
8     * under the terms of the GNU Lesser General Public License as
9     * published by the Free Software Foundation; either version 2.1 of
10    * the License, or (at your option) any later version.
11    *
12    * This software is distributed in the hope that it will be useful,
13    * but WITHOUT ANY WARRANTY; without even the implied warranty of
14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15    * Lesser General Public License for more details.
16    *
17    * You should have received a copy of the GNU Lesser General Public
18    * License along with this software; if not, write to the Free
19    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21    */
22  package org.jboss.util.propertyeditor;
23  
24  import java.beans.PropertyEditorSupport  ;
25  import java.util.StringTokenizer  ;
26  
27  /**
28   * A property editor for int[].
29   *
30   * @version <tt>$Revision: 1958 $</tt>
31   */
32  public class IntArrayEditor extends PropertyEditorSupport  
33  {
34     /** Build a int[] from comma or eol seperated elements
35      *
36      */
37     public void setAsText(final String   text)
38     {
39        StringTokenizer   stok = new StringTokenizer  (text, ",\r\n");
40        int[] theValue = new int[stok.countTokens()];
41        int i = 0;
42        while (stok.hasMoreTokens())
43        {
44           theValue[i++] = Integer.decode(stok.nextToken()).intValue();
45        }
46        setValue(theValue);
47     }
48  
49     /**
50      * @return a comma seperated string of the array elements
51      */
52     public String   getAsText()
53     {
54        int[] theValue = (int[]) getValue();
55        StringBuffer   text = new StringBuffer  ();
56        int length = theValue == null ? 0 : theValue.length;
57        for(int n = 0; n < length; n ++)
58        {
59           if (n > 0)
60              text.append(',');
61           text.append(theValue[n]);
62        }
63        return text.toString();
64     }
65  }
66
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