基于java的聊天软件Visual Chat v1.91源码.zip

package at.ac.uni_linz.tk.vchat; import java.applet.*; import java.awt.*; import java.awt.image.*; import java.awt.event.*; import java.util.*; import java.io.*; import java.net.*; import symantec.itools.awt.*; /** * Provides the Chat's main client functionality, it administrates users and takes * control over UserEvents. The user interface shown in the applet area is the * LoginPanel only, the ChatPanel is part of an own Frame (ChatFrame). * * @author Arno Huetter * (C)opyright by the Institute for Computer Science, Telecooperation Department, University of Linz */ public class ChatApplet extends Applet implements ChatRepository, Runnable { private LoginPanel loginPanel; private ChatFrame chatFrame; private ChatClient chatClient; private Image[] moodIcon, defaultAvatar; private Image emptyIcon, unknownIcon, defaultBackAvatar, imgSlider; private IntegerHashtable userTable, roomTable, userRoomTable; private int currentUserId; private Date histDate, chatStartDate; private boolean historyMode, chatRunning; private String status; private Simulator simulator; private HistoryPanel pnlHistory; private Hashtable hashHistory; private Thread thrMoodTimeout; private ImageCanvas logoCanvas; private MediaTracker tracker; public static String SERVER_POTRAIT_FILENAME[][] = { { "smiley6.gif", "smiley0.gif", "smiley1.gif", "smiley2.gif", "smiley3.gif", "smiley4.gif", "smiley5.gif" }, { "man1.gif", "man1.gif", "man1.gif", "man1.gif", "man1.gif", "man1.gif", "man1.gif" }, { "man2.gif", "man2.gif", "man2.gif", "man2.gif", "man2.gif", "man2.gif", "man2.gif" }, { "woman1.gif", "woman1.gif", "woman1.gif", "woman1.gif", "woman1.gif", "woman1.gif", "woman1.gif" }, { "woman2.gif", "woman2.gif", "woman2.gif", "woman2.gif", "woman2.gif", "woman2.gif", "woman2.gif" }, { "baghead.gif", "baghead.gif", "baghead.gif", "baghead.gif", "baghead.gif", "baghead.gif", "baghead.gif" }, { "teddy.gif", "teddy.gif", "teddy.gif", "teddy.gif", "teddy.gif", "teddy.gif", "teddy.gif" }, { "moonmask.gif", "moonmask.gif", "moonmask.gif", "moonmask.gif", "moonmask.gif", "moonmask.gif", "moonmask.gif" }, { "devilmask.gif", "devilmask.gif", "devilmask.gif", "devilmask.gif", "devilmask.gif", "devilmask.gif", "devilmask.gif" }, { "darkmask.gif", "darkmask.gif", "darkmask.gif", "darkmask.gif", "darkmask.gif", "darkmask.gif", "darkmask.gif" } }; public static String SERVER_POTRAIT_NAME[] = { "Smiley", "Man 1", "Man 2", "Woman 1", "Woman 2", "Baghead", "Teddy", "Moon Mask", "Devil Mask", "Dark Mask" }; private class AvatarParam { public String name; public String[] image = new String[ChatRepository.PREDEFINED_NR_OF_MOODS + 1]; } protected boolean getBooleanParam(String name, boolean defaultVal) { return getParameter(name) == null ? defaultVal : new Boolean(getParameter(name)).booleanValue(); } /** * Initializes the ChatApplet. */ public void init() { String param; Vector avatars = new Vector(); for (int i = 0; (param = getParameter("PredefinedAvatar[" + i + "]")) != null; i++) { StringTokenizer tok = new StringTokenizer(param, ":"); if (tok.countTokens() == 2) { AvatarParam avatar = new AvatarParam(); avatar.name = tok.nextToken(); StringTokenizer tokAv = new StringTokenizer(tok.nextToken(), ","); for (int j = 0; j <= ChatRepository.PREDEFINED_NR_OF_MOODS; j++) { avatar.image[j] = tokAv.hasMoreTokens() ? tokAv.nextToken() : ( j > 1 ? avatar.image[1] : new String("")); } avatars.addElement(avatar); } } if (avatars.size() > 0) { SERVER_POTRAIT_NAME = new String[avatars.size()]; SERVER_POTRAIT_FILENAME = new String[avatars.size()][ChatRepository.PREDEFINED_NR_OF_MOODS + 1]; for (int i = 0; i < avatars.size(); i++) { SERVER_POTRAIT_NAME[i] = ((AvatarParam)avatars.elementAt(i)).name; for (int j = 0; j <= ChatRepository.PREDEFINED_NR_OF_MOODS; j++) { SERVER_POTRAIT_FILENAME[i][j] = ((AvatarParam)avatars.elementAt(i)).image[j]; } } } logoCanvas = new ImageCanvas(getImage(LOGO_FILENAME, true), LOGO_DIMENSION); logoCanvas.showDocumentOnClick(this, LOGO_URL); moodIcon = new Image[PREDEFINED_NR_OF_MOODS]; defaultAvatar = new Image[PREDEFINED_NR_OF_MOODS]; defaultBackAvatar = getImage(SERVER_POTRAIT_FILENAME[0][0]); for (int i = 0; i < PREDEFINED_NR_OF_MOODS; i++) { moodIcon[i] = getImage(MOOD_ICON_NAME[i]); defaultAvatar[i] = getImage(SERVER_POTRAIT_FILENAME[0][i + 1]); } emptyIcon = getImage(EMPTY_ICON_NAME); unknownIcon = getImage(UNKNOWN_ICON_NAME); setBackground(CONTAINER_BACKGROUND); imgSlider = getImage(IMAGE_SLIDER, true); setLayout(new GridLayout()); loginPanel = new LoginPanel(this, getParameter("LoginMode") == null ? LoginPanel.MODE_DEFAULT : ChatUtil.getInt(getParameter("LoginMode"))); add(loginPanel); chatClient = new ChatClient(getHost(), this); startChat(getBooleanParam("DemoMode", true)); } /** * Called by the browser or applet viewer to inform this applet that it is * being reclaimed. */ public void destroy() { /* * Stop the chat on Netscape browsers */ if (System.getProperty("java.vendor").indexOf("Netscape") != -1) stopChat(); } /** * Called by the browser or applet viewer to inform this applet that it should * stop its execution. */ public void stop() { /* * Netscape is buggy on the stop-method() - it might also be called when * resizing the browser window */ if (System.getProperty("java.vendor").indexOf("Netscape") == -1) stopChat(); } public void setFrameVisibility(boolean visible) { chatFrame.setVisible(visible); } /** * Starts the chat. Initializes variables, opens the ChatFrame and runs the * simulator. */ public void startChat(boolean demoMode) { User robot[]; Random random; Room room; userTable = new IntegerHashtable(); roomTable = new IntegerHashtable(); hashHistory = new Hashtable(); chatStartDate = new Date(); for (int i = 0; i < STANDARD_ROOM_NAME.length; i++) { room = new Room(i, STANDARD_ROOM_NAME[i], ChatRepository.ROOM_DIMENSION); room.setPrivate(STANDARD_ROOM_PRIVATE[i]); room.setDemo(i != 0); if (STANDARD_ROOM_INVITED[i]) { room.inviteUser("Guest"); } addRoom(room); } /* * Init the demo-version's Users */ User user = new User(UNKNOWN_USER_ID, "Guest", "", Color.red, new Point (ROOM_DIMENSION.width / 2, ROOM_DIMENSION.height / 2), 0, 0, User.HUMAN_RACE); user.setBackAvatar(defaultBackAvatar); for (int i = 0; i < PREDEFINED_NR_OF_MOODS; i++) user.setAvatar(i, defaultAvatar[i]); setCurrentUser(user); if (demoMode) { /* * Start the simulator and add the Users */ simulator = new Simulator(this); simulator.start(); random = new Random(); robot = new User[ROBOT_NAME.length]; for (int i = 0; i <