View Javadoc

1   /*
2   Copyright (C) 2000 - 2007 Grid Systems, S.A.
3   
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License, version 2, as
6   published by the Free Software Foundation.
7   
8   This program is distributed in the hope that it will be useful,
9   but WITHOUT ANY WARRANTY; without even the implied warranty of
10  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  GNU General Public License for more details.
12  
13  You should have received a copy of the GNU General Public License
14  along with this program; if not, write to the Free Software
15  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16  */
17  
18  /*
19   * Project: KernelConfigurator
20   * Created on 12-mar-2004
21   *
22   * Copyright (c)2003 Grid Systems
23   */
24  package com.gridsystems.config.tools.console;
25  
26  import java.util.ArrayList;
27  import java.util.List;
28  
29  /**
30   * A message display field.
31   *
32   * @author <a href="mailto:rruiz@gridsystems.com">Rodrigo Ruiz Aguayo</a>
33   * @version 1.0
34   */
35  public class MessageField extends Field {
36    /**
37     * The list of message lines.
38     */
39    private List<String> lines = new ArrayList<String>();
40  
41    /**
42     * Creates a new instance. Messages are not internationalized, so there is no bundle.
43     */
44    public MessageField() {
45      super(null);
46    }
47  
48    /**
49     * Resets the message contents.
50     */
51    public void reset() {
52      lines.clear();
53    }
54  
55    /**
56     * Adds a message line.
57     *
58     * @param line The message line
59     */
60    public void addLine(String line) {
61      lines.add(line);
62    }
63  
64    /**
65     * {@inheritDoc}
66     */
67    public String[] getContents() {
68      int count = lines.size();
69      String[] contents = new String[count];
70      if (count > 0) {
71        lines.toArray(contents);
72      }
73  
74      return contents;
75    }
76  }