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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: ServerImp.java,v 1.2 2005/09/04 20:56:28 mat007 Exp $
29   */
30  
31  package jtge.engine.net;
32  
33  import jtge.engine.io.AsynchronousAcceptor;
34  import jtge.engine.io.IAcceptor;
35  import jtge.engine.io.IConnectionObserver;
36  import jtge.engine.io.IInputOutputFactory;
37  
38  /***
39   * Implements the server logics.
40   *
41   * @author Mathieu Champlon
42   * @version $Revision: 1.2 $ $Date: 2005/09/04 20:56:28 $
43   */
44  public class ServerImp implements IServer
45  {
46      private final IConnectionObserver observer;
47      private final IInputOutputFactory factory;
48      private IAcceptor acceptor;
49  
50      /***
51       * Create a controller.
52       *
53       * @param observer the connection observer
54       * @param factory the input/output factory
55       */
56      public ServerImp( final IConnectionObserver observer, final IInputOutputFactory factory )
57      {
58          this.observer = observer;
59          this.factory = factory;
60      }
61  
62      /***
63       * {@inheritDoc}
64       */
65      public final void open( final int port )
66      {
67          if( acceptor != null )
68              close();
69          acceptor = new AsynchronousAcceptor( new NetworkAcceptor( factory, observer, port ) );
70          acceptor.open();
71      }
72  
73      /***
74       * {@inheritDoc}
75       */
76      public final void close()
77      {
78          if( acceptor != null )
79          {
80              acceptor.close();
81              acceptor = null;
82          }
83      }
84  }