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 its 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 The GNU Lesser General Public License for details.
30   * @author Joe Walker
31   */
32  public interface BooksListener extends EventListener {
33      /**
34       * Called whenever a new Bible is added to the system.
35       * 
36       * @param ev
37       *            A description of the change
38       */
39      void bookAdded(BooksEvent ev);
40  
41      /**
42       * Called whenever a Bible is removed from the system.
43       * 
44       * @param ev
45       *            A description of the change
46       */
47      void bookRemoved(BooksEvent ev);
48  }
49