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: OutputRegistrer.java,v 1.2 2005/08/26 18:09:36 mat007 Exp $
29 */
30
31 package jtge.engine.io;
32
33 import jtge.engine.handler.Subject;
34
35 /***
36 * Registers and unregisters outputs into the given subject.
37 *
38 * @author Mathieu Champlon
39 * @version $Revision: 1.2 $ $Date: 2005/08/26 18:09:36 $
40 */
41 public class OutputRegistrer implements ISessionManager
42 {
43 private final Subject subject;
44
45 /***
46 * Create an input/output manager.
47 *
48 * @param subject the subject to register/unregister outputs into
49 */
50 public OutputRegistrer( final Subject subject )
51 {
52 if( subject == null )
53 throw new IllegalArgumentException( "argument 'subject' is null" );
54 this.subject = subject;
55 }
56
57 /***
58 * {@inheritDoc}
59 */
60 public final void opened( final IInput input, final IOutput output )
61 {
62 subject.register( output );
63 }
64
65 /***
66 * {@inheritDoc}
67 */
68 public final void closed( final IInput input )
69 {
70 }
71
72 /***
73 * {@inheritDoc}
74 */
75 public final void closed( final IOutput output )
76 {
77 subject.unregister( output );
78 }
79
80 /***
81 * {@inheritDoc}
82 */
83 public final void close()
84 {
85 }
86 }