001         package com.croftsoft.apps.chat;
002         
003         import java.awt.*;
004         import java.awt.event.*;
005         import java.io.*;
006         import java.net.*;
007         import java.util.*;
008         import javax.swing.*;
009    
010         import com.croftsoft.core.gui.LifecycleWindowListener;
011         import com.croftsoft.core.io.SerializableCoder;
012         import com.croftsoft.core.lang.lifecycle.LifecycleLib;
013         import com.croftsoft.core.math.MathConstants;
014         import com.croftsoft.core.net.http.HttpLib;
015         import com.croftsoft.core.net.http.msg.HttpMessageClient;
016         import com.croftsoft.core.security.Authentication;
017    import com.croftsoft.core.util.consumer.Consumer;
018         import com.croftsoft.core.util.queue.Queue;
019    
020         import com.croftsoft.apps.chat.client.ChatClient;
021         import com.croftsoft.apps.chat.controller.ChatController;
022    import com.croftsoft.apps.chat.view.ChatPanel;
023    
024         /*********************************************************************
025         * Chat applet with 2D sprite avatars.
026         *
027         * @version
028         *   2003-06-17
029         * @since
030         *   2000-04-24
031         * @author
032         *   <a href="http://www.CroftSoft.com/">David Wallace Croft</a>
033         *********************************************************************/
034    
035         public final class  ChatApplet
036           extends JApplet
037         //////////////////////////////////////////////////////////////////////
038         //////////////////////////////////////////////////////////////////////
039         {
040    
041         //////////////////////////////////////////////////////////////////////
042         // frame constants
043         //////////////////////////////////////////////////////////////////////
044    
045         private static final String     FRAME_ICON_FILENAME          = null;
046    
047         private static final Dimension  FRAME_SIZE                   = null;
048    
049         private static final String     SHUTDOWN_CONFIRMATION_PROMPT = null;
050    
051         private static final boolean    USE_FULL_SCREEN_TOGGLER      = true;
052    
053         //////////////////////////////////////////////////////////////////////
054         // network constants
055         //////////////////////////////////////////////////////////////////////
056    
057         private static final String  SERVLET_PATH  = "servlet";
058    
059         //////////////////////////////////////////////////////////////////////
060         // instance variables
061         //////////////////////////////////////////////////////////////////////
062    
063         private ChatClient  chatClient;
064    
065         private ChatPanel   chatPanel;
066    
067         //////////////////////////////////////////////////////////////////////
068         // static methods
069         //////////////////////////////////////////////////////////////////////
070    
071         public static void  main ( String [ ]  args )
072           throws Exception
073         //////////////////////////////////////////////////////////////////////
074         {
075           LifecycleWindowListener.launchAppletAsDesktopApp (
076             new ChatApplet ( ),
077             ChatConstants.TITLE,
078             FRAME_ICON_FILENAME,
079             ChatApplet.class.getClassLoader ( ),
080             USE_FULL_SCREEN_TOGGLER,
081             FRAME_SIZE,
082             SHUTDOWN_CONFIRMATION_PROMPT );
083         }
084    
085         //////////////////////////////////////////////////////////////////////
086         // overridden applet methods
087         //////////////////////////////////////////////////////////////////////
088    
089         public String  getAppletInfo ( ) { return ChatConstants.INFO; }
090    
091         public void  init ( )
092         //////////////////////////////////////////////////////////////////////
093         {
094           System.out.println ( getAppletInfo ( ) );
095    
096           // model
097    
098           Authentication  authentication = getAuthentication ( );
099    
100           chatClient = new ChatClient ( authentication, getServletURL ( ) );
101    
102           // controller
103    
104           ChatController  chatController = new ChatController (
105             authentication, chatClient.getRequestQueue ( ) );
106    
107           // view
108    
109           chatPanel = new ChatPanel (
110             chatClient.getEventQueue ( ) , chatController );
111    
112           setJMenuBar ( chatPanel.getMenuBar ( ) );
113    
114           Container  contentPane = getContentPane ( );
115    
116           contentPane.setLayout ( new BorderLayout ( ) );
117    
118           contentPane.add ( chatPanel, BorderLayout.CENTER );
119    
120           LifecycleLib.init ( chatPanel );
121    
122           validate ( );
123    
124           LifecycleLib.init ( chatClient );
125         }
126    
127         public void  start ( )
128         //////////////////////////////////////////////////////////////////////
129         {
130           LifecycleLib.start ( chatPanel  );
131    
132           LifecycleLib.start ( chatClient );
133         }
134    
135         public void  stop ( )
136         //////////////////////////////////////////////////////////////////////
137         {
138           LifecycleLib.stop ( chatClient );
139    
140           LifecycleLib.stop ( chatPanel  );
141         }
142    
143         public void  destroy ( )
144         //////////////////////////////////////////////////////////////////////
145         {
146           LifecycleLib.destroy ( chatClient );
147    
148           LifecycleLib.destroy ( chatPanel  );
149         }
150    
151         //////////////////////////////////////////////////////////////////////
152         // private methods
153         //////////////////////////////////////////////////////////////////////
154    
155         private static Authentication  getAuthentication ( )
156         //////////////////////////////////////////////////////////////////////
157         {
158           String  username = Long.toString ( new Random ( ).nextLong ( ) );
159    
160           return new Authentication ( username, "password" );
161         }
162    
163         private URL  getServletURL ( )
164         //////////////////////////////////////////////////////////////////////
165         {
166           URL  codeBaseURL = null;
167    
168           try
169           {
170             codeBaseURL = getCodeBase ( );
171           }
172           catch ( Exception  ex )
173           {
174           }
175    
176           try
177           {
178             if ( codeBaseURL != null )
179             {
180               return new URL ( codeBaseURL, SERVLET_PATH );
181             }
182             else
183             {
184               return null;
185             }
186           }
187           catch ( MalformedURLException  ex )
188           {
189             // this should never happen if SERVLET_PATH is good
190    
191             ex.printStackTrace ( );
192    
193             return null;
194           }
195         }
196    
197         //////////////////////////////////////////////////////////////////////
198         //////////////////////////////////////////////////////////////////////
199         }