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 palmed.buffer.IBufferManager;
34 import palmed.ui.ICommand;
35
36 /***
37 * This class implements the 'save' command.
38 *
39 * @author Mathieu Champlon
40 * @version $Revision$ $Date$
41 */
42 public final class SaveCommand implements ICommand
43 {
44 /***
45 * The buffer manager.
46 */
47 private final IBufferManager manager_;
48 /***
49 * The backup command if save fails.
50 */
51 private final ICommand command_;
52
53 /***
54 * Create a save command.
55 *
56 * @param manager the buffer manager
57 * @param command the command to execute if save fails
58 */
59 public SaveCommand( final IBufferManager manager, final ICommand command )
60 {
61 manager_ = manager;
62 command_ = command;
63 }
64
65 /***
66 * {@inheritDoc}
67 */
68 public void execute()
69 {
70 if( !manager_.save() )
71 command_.execute();
72 }
73 }