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: UserInputOutputFactory.java,v 1.2 2005/08/26 18:09:36 mat007 Exp $
29 */
30
31 package jtge.engine.security;
32
33 import java.io.InputStream;
34 import java.io.OutputStream;
35 import jtge.engine.handler.IConsumer;
36 import jtge.engine.handler.Subject;
37 import jtge.engine.io.IDisconnectionObserver;
38 import jtge.engine.io.IInput;
39 import jtge.engine.io.IInputOutputFactory;
40 import jtge.engine.io.IInputOutputImpFactory;
41 import jtge.engine.io.IOutput;
42 import jtge.engine.io.Input;
43 import jtge.engine.io.Output;
44
45 /***
46 * Provides an input-output factory dealing with user identification.
47 *
48 * @author Mathieu Champlon
49 * @version $Revision: 1.2 $ $Date: 2005/08/26 18:09:36 $
50 */
51 public class UserInputOutputFactory implements IInputOutputFactory
52 {
53 private final IUserHandlerFactory userHandlerFactory;
54 private final IDisconnectionObserver observer;
55 private final IUserManager manager;
56 private final IInputOutputImpFactory factory;
57
58 /***
59 * Create an input/output factory.
60 *
61 * @param consumer the consumer
62 * @param observer the observer
63 * @param manager the user manager
64 * @param factory the input-output implementation factory
65 */
66 public UserInputOutputFactory( final IConsumer consumer, final IDisconnectionObserver observer,
67 final IUserManager manager, final IInputOutputImpFactory factory )
68 {
69 if( observer == null )
70 throw new IllegalArgumentException( "argument 'observer' is null" );
71 if( manager == null )
72 throw new IllegalArgumentException( "argument 'manager' is null" );
73 if( factory == null )
74 throw new IllegalArgumentException( "argument 'factory' is null" );
75 this.userHandlerFactory = new ValidationHandlerFactory( consumer );
76 this.observer = observer;
77 this.manager = manager;
78 this.factory = factory;
79 }
80
81 /***
82 * {@inheritDoc}
83 */
84 public final IInput create( final InputStream stream )
85 {
86 final Subject subject = new Subject();
87 final IInput input = new Input( subject, observer, factory.create( stream ) );
88 subject.register( new LoginHandler( input, manager, userHandlerFactory ) );
89 return input;
90 }
91
92 /***
93 * {@inheritDoc}
94 */
95 public final IOutput create( final OutputStream stream )
96 {
97 return new Output( observer, factory.create( stream ) );
98 }
99 }