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 as published by
5    * the Free Software Foundation. This program is distributed in the hope
6    * that it will be useful, but WITHOUT ANY WARRANTY; without even the
7    * 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   * ID: $Id: BooksListener.java 1466 2007-07-02 02:48:09Z dmsmith $
21   */
22  package org.crosswire.jsword.book;
23  
24  import java.util.EventListener;
25  
26  /**
27   * BiblesListeners are able to be notified about changes to the numbers
28   * of Bibles installed on the system.
29   *
30   * @see gnu.lgpl.License for license details.
31   *      The copyright to this program is held by it's authors.
32   * @author Joe Walker [joe at eireneh dot com]
33   */
34  public interface BooksListener extends EventListener
35  {
36      /**
37       * Called whenever a new Bible is added to the system.
38       * @param ev A description of the change
39       */
40      void bookAdded(BooksEvent ev);
41  
42      /**
43       * Called whenever a Bible is removed from the system.
44       * @param ev A description of the change
45       */
46      void bookRemoved(BooksEvent ev);
47  }
48