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: NetworkConnector.java,v 1.2 2005/09/10 11:26:47 mat007 Exp $
29 */
30
31 package jtge.engine.net;
32
33 import java.io.IOException;
34 import java.net.Socket;
35 import jtge.engine.io.IConnectionObserver;
36 import jtge.engine.io.IConnector;
37 import jtge.engine.io.IInput;
38 import jtge.engine.io.IInputOutputFactory;
39 import jtge.engine.io.IOutput;
40 import jtge.engine.io.InputOutputException;
41
42 /***
43 * Implements a network connector.
44 * <p>
45 * This connector provides a blocking open.
46 *
47 * @author Mathieu Champlon
48 * @version $Revision: 1.2 $ $Date: 2005/09/10 11:26:47 $
49 */
50 public class NetworkConnector implements IConnector
51 {
52 private final IInputOutputFactory factory;
53 private final IConnectionObserver observer;
54 private final String host;
55 private final int port;
56
57 /***
58 * Create a network connector.
59 *
60 * @param factory the input/output factory
61 * @param observer the connection observer
62 * @param host the server host name
63 * @param port the listening port
64 */
65 public NetworkConnector( final IInputOutputFactory factory, final IConnectionObserver observer, final String host,
66 final int port )
67 {
68 if( factory == null )
69 throw new IllegalArgumentException( "argument 'factory' is null" );
70 if( observer == null )
71 throw new IllegalArgumentException( "argument 'observer' is null" );
72 if( host == null )
73 throw new IllegalArgumentException( "argument 'host' is null" );
74 if( port < 0 )
75 throw new IllegalArgumentException( "argument 'port' is < 0" );
76 this.factory = factory;
77 this.observer = observer;
78 this.host = host;
79 this.port = port;
80 }
81
82 /***
83 * {@inheritDoc}
84 */
85 public final void open()
86 {
87 try
88 {
89 final Socket socket = new Socket( host, port );
90 final IInput input = factory.create( socket.getInputStream() );
91 final IOutput output = factory.create( socket.getOutputStream() );
92 observer.opened( input, output );
93 }
94 catch( IOException e )
95 {
96 throw new InputOutputException( e );
97 }
98 }
99 }