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   * © CrossWire Bible Society, 2005 - 2016
18   *
19   */
20  package org.crosswire.jsword.book.install;
21  
22  import java.io.IOException;
23  import java.io.ObjectInputStream;
24  import java.util.EventObject;
25  
26  /**
27   * An InstallerEvent is fired whenever an Installer is added or removed from the
28   * system.
29   * 
30   * @see gnu.lgpl.License The GNU Lesser General Public License for details.
31   * @author Joe Walker
32   */
33  public class InstallerEvent extends EventObject {
34      /**
35       * Basic constructor
36       * 
37       * @param source the originator of the event
38       * @param installer
39       *            The installer, or null if there is more than one change.
40       * @param added
41       *            True if the changed installer is an addition.
42       */
43      public InstallerEvent(Object source, Installer installer, boolean added) {
44          super(source);
45  
46          this.installer = installer;
47          this.added = added;
48      }
49  
50      /**
51       * Get the name of the changed Bible
52       * 
53       * @return The Bible bmd
54       */
55      public Installer getInstaller() {
56          return installer;
57      }
58  
59      /**
60       * Is this an addition event?
61       * @return whether this is an addition event
62       */
63      public boolean isAddition() {
64          return added;
65      }
66  
67      /**
68       * Serialization support.
69       * 
70       * @param is
71       * @throws IOException
72       * @throws ClassNotFoundException
73       */
74      private void readObject(ObjectInputStream is) throws IOException, ClassNotFoundException {
75          // Broken but we don't serialize events
76          installer = null;
77          is.defaultReadObject();
78      }
79  
80      /**
81       * Is this an addition event?
82       */
83      private boolean added;
84  
85      /**
86       * The name of the changed Bible
87       */
88      private transient Installer installer;
89  
90      /**
91       * Serialization ID
92       */
93      private static final long serialVersionUID = 3257290248836102194L;
94  }
95