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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: MessageResult.java,v 1.6 2005/09/10 14:06:21 mat007 Exp $
29   */
30  
31  package jtge.sample.chat.common.core.command;
32  
33  import jtge.engine.command.AbstractResult;
34  import jtge.engine.data.IContext;
35  import jtge.engine.user.IUser;
36  import jtge.sample.chat.common.core.IMessageView;
37  
38  /***
39   * Implements a message result.
40   *
41   * @author Mathieu Champlon
42   * @version $Revision: 1.6 $ $Date: 2005/09/10 14:06:21 $
43   */
44  public class MessageResult extends AbstractResult
45  {
46      private static final long serialVersionUID = 3359362942161616392L;
47      private final String message;
48      private final IUser user;
49  
50      /***
51       * Create a message.
52       *
53       * @param user the user sending the message
54       * @param message the message
55       */
56      public MessageResult( final IUser user, final String message )
57      {
58          if( user == null )
59              throw new IllegalArgumentException( "argument 'user' is null" );
60          if( message == null )
61              throw new IllegalArgumentException( "argument 'message' is null" );
62          this.user = user;
63          this.message = message;
64      }
65  
66      /***
67       * {@inheritDoc}
68       */
69      public final void execute( final IContext context )
70      {
71          final IMessageView view = (IMessageView)context.get( IMessageView.class );
72          view.receive( user, message );
73      }
74  }