1   /**
2    * Distribution License:
3    * JSword is free software; you can redistribute it and/or modify it under
4    * the terms of the GNU Lesser General Public License, version 2.1 or later
5    * as published by the Free Software Foundation. This program is distributed
6    * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
7    * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
8    * See the GNU Lesser General Public License for more details.
9    *
10   * The License is available on the internet at:
11   *       http://www.gnu.org/copyleft/lgpl.html
12   * or by writing to:
13   *      Free Software Foundation, Inc.
14   *      59 Temple Place - Suite 330
15   *      Boston, MA 02111-1307, USA
16   *
17   * Copyright: 2005
18   *     The copyright to this program is held by it's authors.
19   *
20   */
21  package org.crosswire.jsword.book;
22  
23  import java.util.EventListener;
24  
25  /**
26   * BiblesListeners are able to be notified about changes to the numbers of
27   * Bibles installed on the system.
28   * 
29   * @see gnu.lgpl.License for license details.<br>
30   *      The copyright to this program is held by it's authors.
31   * @author Joe Walker [joe at eireneh dot com]
32   */
33  public interface BooksListener extends EventListener {
34      /**
35       * Called whenever a new Bible is added to the system.
36       * 
37       * @param ev
38       *            A description of the change
39       */
40      void bookAdded(BooksEvent ev);
41  
42      /**
43       * Called whenever a Bible is removed from the system.
44       * 
45       * @param ev
46       *            A description of the change
47       */
48      void bookRemoved(BooksEvent ev);
49  }
50