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.buffer.IResult;
35 import palmed.ui.IConfirmationListener;
36
37 /***
38 * This class implements a close confirmation listener.
39 *
40 * @author Mathieu Champlon
41 * @version $Revision$ $Date$
42 */
43 public final class CloseConfirmationListener implements IConfirmationListener
44 {
45 /***
46 * The buffer manager.
47 */
48 private final IBufferManager manager_;
49 /***
50 * The result.
51 */
52 private final IResult result_;
53
54 /***
55 * Create a close confirmation listener.
56 *
57 * @param manager the buffer manager
58 * @param result the result
59 */
60 public CloseConfirmationListener( final IBufferManager manager, final IResult result )
61 {
62 if( manager == null )
63 throw new IllegalArgumentException( "parameter 'manager' is null" );
64 if( result == null )
65 throw new IllegalArgumentException( "parameter 'result' is null" );
66 manager_ = manager;
67 result_ = result;
68 }
69
70 /***
71 * {@inheritDoc}
72 */
73 public void accept()
74 {
75 try
76 {
77 manager_.close();
78 result_.complete();
79 }
80 catch( Exception e )
81 {
82 result_.error( e.getMessage() );
83 }
84 }
85
86 /***
87 * {@inheritDoc}
88 */
89 public void refuse()
90 {
91 result_.complete();
92 }
93 }