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1   /*
2    *  XNap - A P2P framework and client.
3    *
4    *  See the file AUTHORS for copyright information.
5    *
6    *  This program is free software; you can redistribute it and/or modify
7    *  it under the terms of the GNU General Public License as published by
8    *  the Free Software Foundation.
9    *
10   *  This program is distributed in the hope that it will be useful,
11   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   *  GNU General Public License for more details.
14   *
15   *  You should have received a copy of the GNU General Public License
16   *  along with this program; if not, write to the Free Software
17   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   */
19  
20  package org.xnap.gui;
21  
22  import java.io.File;
23  
24  /***
25   * Defines the requirements for classes that provide selection of a
26   * <code>File</code> object that is a directory.
27   *
28   * @see xnap.gui.action.PasteFileAction
29   */
30  public interface DirectoryProvider
31  {
32  
33      /***
34       * Invoked by an action to query the selected directory.
35       */
36      File getDirectory();
37  
38      /***
39       * Invoked if directory contents was changed by the action.
40       *
41       * @param directory the directory that has changed
42       */
43      void hasChanged(File directory);
44  
45  }