View Javadoc

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: View.java,v 1.4 2005/09/14 18:36:52 mat007 Exp $
29   */
30  
31  package jtge.sample.toss;
32  
33  import java.io.BufferedReader;
34  import java.io.IOException;
35  import java.io.InputStreamReader;
36  
37  /***
38   * This class handles the user interface.
39   *
40   * @author Mathieu Champlon
41   * @version $Revision: 1.4 $ $Date: 2005/09/14 18:36:52 $
42   */
43  public class View
44  {
45      /***
46       * The controller.
47       */
48      private final Controller controller;
49      /***
50       * Whether the game is running or not.
51       */
52      private boolean bIsRunning;
53  
54      /***
55       * Create a view.
56       *
57       * @param controller the controller
58       */
59      public View( final Controller controller )
60      {
61          this.controller = controller;
62          bIsRunning = true;
63      }
64  
65      /***
66       * Display a result.
67       *
68       * @param message the result
69       */
70      public final void display( final String message )
71      {
72          System.out.println( message );
73      }
74  
75      /***
76       * Helper method to handle the choice.
77       *
78       * @param reader the reader to read from
79       * @return whether to continue the game or not
80       */
81      private boolean readChoice( final BufferedReader reader )
82      {
83          try
84          {
85              return controller.handleChoice( reader.readLine() );
86          }
87          catch( IOException e )
88          {
89              e.printStackTrace();
90              return false;
91          }
92      }
93  
94      /***
95       * Start the main loop.
96       */
97      public final void start()
98      {
99          final BufferedReader reader = new BufferedReader( new InputStreamReader( System.in ) );
100         System.out.println( "Make your choice !" );
101         while( bIsRunning )
102         {
103             System.out.print( "(h)ead, (t)ail or (q)uit : " );
104             bIsRunning = readChoice( reader );
105         }
106     }
107 }