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: InputOutputFactory.java,v 1.2 2005/08/26 18:09:36 mat007 Exp $
29 */
30
31 package jtge.engine.io;
32
33 import java.io.InputStream;
34 import java.io.OutputStream;
35 import jtge.engine.handler.IConsumer;
36
37 /***
38 * Implements an input-output factory.
39 *
40 * @author Mathieu Champlon
41 * @version $Revision: 1.2 $ $Date: 2005/08/26 18:09:36 $
42 */
43 public class InputOutputFactory implements IInputOutputFactory
44 {
45 private final IConsumer consumer;
46 private final IDisconnectionObserver observer;
47 private final IInputOutputImpFactory factory;
48
49 /***
50 * Create a factory for inputs and outputs.
51 *
52 * @param consumer the consumer to send read commands to
53 * @param observer the disconnection observer
54 * @param factory the input-output implementation factory
55 */
56 public InputOutputFactory( final IConsumer consumer, final IDisconnectionObserver observer,
57 final IInputOutputImpFactory factory )
58 {
59 if( consumer == null )
60 throw new IllegalArgumentException( "argument 'consumer' is null" );
61 if( observer == null )
62 throw new IllegalArgumentException( "argument 'observer' is null" );
63 if( factory == null )
64 throw new IllegalArgumentException( "argument 'factory' is null" );
65 this.consumer = consumer;
66 this.observer = observer;
67 this.factory = factory;
68 }
69
70 /***
71 * {@inheritDoc}
72 */
73 public final IInput create( final InputStream stream )
74 {
75 return new Input( consumer, observer, factory.create( stream ) );
76 }
77
78 /***
79 * {@inheritDoc}
80 */
81 public final IOutput create( final OutputStream stream )
82 {
83 return new Output( observer, factory.create( stream ) );
84 }
85 }