1 /***
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that the following conditions are
4 * met :
5 *
6 * . Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 *
9 * . Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * . The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $Id$
29 */
30
31 package palmed.command;
32
33 import javax.microedition.midlet.MIDlet;
34 import palmed.io.IRecord;
35 import palmed.io.IRecordFactory;
36 import palmed.io.ISerializable;
37 import palmed.ui.ICommand;
38
39 /***
40 * This class implements the 'exit' command.
41 *
42 * @author Mathieu Champlon
43 * @version $Revision$ $Date$
44 */
45 public final class ExitCommand implements ICommand
46 {
47 /***
48 * The midlet.
49 */
50 private final MIDlet midlet_;
51 /***
52 * The application record.
53 */
54 private final IRecord record_;
55
56 /***
57 * Create an 'exit' command.
58 *
59 * @param midlet the midlet
60 * @param serializable the object to save upon exit
61 * @param factory the record factory
62 */
63 public ExitCommand( final MIDlet midlet, final ISerializable serializable, final IRecordFactory factory )
64 {
65 if( midlet == null )
66 throw new IllegalArgumentException( "parameter 'midlet' is null" );
67 midlet_ = midlet;
68 record_ = factory.getIndex( serializable );
69 record_.restore();
70 }
71
72 /***
73 * {@inheritDoc}
74 */
75 public void execute()
76 {
77 record_.persist();
78 midlet_.notifyDestroyed();
79 }
80 }