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: InstallerEvent.java 1966 2009-10-30 01:15:14Z dmsmith $
21   */
22  package org.crosswire.jsword.book.install;
23  
24  import java.io.IOException;
25  import java.io.ObjectInputStream;
26  import java.util.EventObject;
27  
28  /**
29   * An InstallerEvent is fired whenever an Installer is added or removed from the
30   * system.
31   * 
32   * @see gnu.lgpl.License for license details.<br>
33   *      The copyright to this program is held by it's authors.
34   * @author Joe Walker [joe at eireneh dot com]
35   */
36  public class InstallerEvent extends EventObject {
37      /**
38       * Basic constructor
39       * 
40       * @param installer
41       *            The installer, or null if there is more than one change.
42       * @param added
43       *            True if the changed installer is an addition.
44       */
45      public InstallerEvent(Object source, Installer installer, boolean added) {
46          super(source);
47  
48          this.installer = installer;
49          this.added = added;
50      }
51  
52      /**
53       * Get the name of the changed Bible
54       * 
55       * @return The Bible bmd
56       */
57      public Installer getInstaller() {
58          return installer;
59      }
60  
61      /**
62       * Is this an addition event?
63       */
64      public boolean isAddition() {
65          return added;
66      }
67  
68      /**
69       * Serialization support.
70       * 
71       * @param is
72       * @throws IOException
73       * @throws ClassNotFoundException
74       */
75      private void readObject(ObjectInputStream is) throws IOException, ClassNotFoundException {
76          // Broken but we don't serialize events
77          installer = null;
78          is.defaultReadObject();
79      }
80  
81      /**
82       * Is this an addition event?
83       */
84      private boolean added;
85  
86      /**
87       * The name of the changed Bible
88       */
89      private transient Installer installer;
90  
91      /**
92       * Serialization ID
93       */
94      private static final long serialVersionUID = 3257290248836102194L;
95  }
96