/**
* creates a new channel, if the channel exists it is removed (this method doubles as a
* removeChannel)
*
* @param name the name of the channel
*/
public void newChannel(String name, boolean pass) {
if (channels.containsKey(name)) {
channels.remove(name);
cboChannels.removeItem(name);
} else {
channels.put(name, new Boolean(pass));
cboChannels.addItem(name);
}
}
/** cleans up a connection by removing all user from all maintained lists */
public void close() {
error("Connection to server was lost");
admin = false;
users.clear();
afks.clear();
ignores.clear();
admins.clear();
channels.clear();
cboChannels.removeAllItems();
updateList();
}
/**
* Method to parse a command and perform the specified action
*
* @param cmd the command that the user typed
* @return a status indicator to tell if the command was valid
*/
public boolean parseCommand(String cmd) {
cmd = cmd.intern();
if (cmd == "help" || cmd == "?") {
String commands =
"Listing available commands:\n"
+ "<pre>\\help or \\? \t\t- display this message<br>"
+ "\\admin <passphrase> \t- become an admin<br>"
+ "\\create <channel> [password]\t- create a new channel with optional password<br>"
+ "\\join <channel> [password]\t- join channel with optional password<br>"
+ "\\disconnect \t\t- disconnect from server<br>"
+ "\\whisper <user> <message> \t- whisper to a user<br>"
+ "\\private <user> \t- start a private message session<br>"
+ "\\ignore <user> \t- ignores a user<br>"
+ "\\clearignore \t\t- clear list of ignores<br>"
+ "\\reconnect \t\t- attempt to reconnect to server<br>"
+ "\\rename <new name> \t- change your username<br>"
+ "\\invite <user> \t- invite user to join at your channel<br>";
if (admin) {
commands +=
"\\kick <user> \t\t- kick user from room<br>"
+ "\\logstart \t\t- start logging sessoin<br>"
+ "\\logstop \t\t- stop logging session<br>";
}
commands += "up or down \t\t- cycle your chat history</pre>";
sendText("server", commands, false);
return true;
} else if (cmd == "disconnect") {
if (server != null) {
stop();
}
return true;
} else if (cmd == "reconnect") {
if (username == null) {
error(
"username still invalid. use \\rename <new name> to chose a new name and reconnect");
} else {
if (server != null) {
stop();
}
server = new ServerConnection(this);
}
return true;
} else if (cmd == "clearignore") {
ignores.clear();
updateList();
serverMessage("ignore list cleared");
return true;
} else if (cmd.startsWith("whisper")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\whisper <user> <message>");
return false;
}
cmd = cmd.substring(start + 1);
start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\whisper <user> <message>");
return false;
}
String un = cmd.substring(0, start);
if (username.equals(un) || !users.contains(un)) {
error("invalid user");
return false;
}
String message = cmd.substring(start + 1);
if (message.length() < 1) {
error("usage: \\whisper <user> <message>");
}
sendWhisper(un, message);
sendText(username, message, true);
return true;
} else if (cmd.startsWith("invite")) {
String channel = (String) cboChannels.getSelectedItem();
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\invite <user>");
return false;
}
String un = cmd.substring(start + 1);
if ((un.length() < 1) || (un.length() > 10) || (!un.matches("[\\w_-]+?"))) {
error(un + " invalid user");
return false;
}
if (username.equals(un)) {
error("You cannot invite youself");
return false;
}
if (users.contains(un)) {
error(un + " is already in your Channel");
return false;
}
String message = un + " has been invited to join a channel " + channel;
sendInvite(un, message);
sendText(username, message, false);
return true;
} else if (cmd.startsWith("private")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\private <user>");
return false;
}
String un = cmd.substring(start + 1);
if (username.equals(un)) {
error("cannot private message yourself");
return false;
}
privates.newPrivate(un);
return true;
} else if (cmd.startsWith("rename")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\rename <newname>");
return false;
}
String newName = cmd.substring(start + 1);
if ((newName.length() < 1)
|| (newName.length()) > 10
|| (newName.equals("server"))
|| (!newName.matches("[\\w_-]+?"))) {
error("invalid name");
return false;
}
if (!server.connected) {
server = new ServerConnection(this);
}
if (username == null) {
username = newName;
server.writeObject(new SD_UserAdd(newName));
} else {
rename(username, newName);
username = newName;
server.writeObject(new SD_Rename(null, username));
}
return true;
} else if (cmd.startsWith("ignore")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\ignre <user>");
return false;
}
ignore(cmd.substring(start + 1), false);
return true;
} else if (cmd.startsWith("join")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\join <channel> [password]");
return false;
}
String name = cmd.substring(start + 1);
String pass = null;
start = name.indexOf(' ');
if (start > 0) {
pass = name.substring(start + 1);
name = name.substring(0, start);
}
server.writeObject(new SD_Channel(false, name, pass));
return true;
} else if (cmd.startsWith("create")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\create <channel> [password]");
return false;
}
String name = cmd.substring(start + 1);
String pass = null;
start = name.indexOf(' ');
if (start > 0) {
pass = name.substring(start + 1);
name = name.substring(0, start);
}
server.writeObject(new SD_Channel(true, name, pass));
return true;
/* } else if (cmd.startsWith("proxy")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\proxy <host> <port>");
return false;
}
String phost = cmd.substring(start+1);
start = phost.indexOf(' ');
if (start < 0) {
error("usage: \\proxy <host> <port>");
return false;
}
String pport = phost.substring(start+1);
phost = phost.substring(0, start);
Properties systemSettings = System.getProperties();
systemSettings.put("proxySet", "true");
systemSettings.put("proxyHost", phost);
systemSettings.put("proxyPort", pport);
System.setProperties(systemSettings);
serverMessage("Using " + phost + ":" + pport + " as proxy server<br>you can type \\reconnect to reconnect with this proxy");
return true; */
} else if (cmd.startsWith("admin")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\admin <password>");
return false;
}
String pass = cmd.substring(start + 1);
server.writeObject(new SD_AdminAdd(pass));
return true;
} else if (admin && cmd.startsWith("kick")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\kick <user>");
return false;
}
String un = cmd.substring(start + 1);
if (un.equals(username)) {
error("cannot kick yourself");
return false;
}
server.writeObject(new SD_Kick(un));
return true;
} else if (admin && cmd == "logstart") {
server.writeObject(new SD_Log(true));
return true;
} else if (admin && cmd == "logstop") {
server.writeObject(new SD_Log());
return true;
}
error("unrecognized command, type \\help for help");
return false;
}
/** Initializes the graphical components */
public void init() {
username = getParameter("username");
if (username == null) {
username =
JOptionPane.showInputDialog(
this, "Please enter a username", "Login", JOptionPane.QUESTION_MESSAGE);
}
try {
PORT = Integer.valueOf(getParameter("port")).intValue();
} catch (NumberFormatException e) {
PORT = 42412;
}
URL url = getDocumentBase();
site = url.getHost();
locationURL = "http://" + site + ":" + url.getPort() + "/" + url.getPath();
setSize(615, 362);
c = getContentPane();
c.setBackground(new Color(224, 224, 224));
if (site == null || locationURL == null) {
c.add(new JLabel("ERROR: did not recieve needed data from page"));
}
myAction = new MyAction();
myKeyListener = new MyKeyListener();
myMouseListener = new MyMouseListener();
myHyperlinkListener = new MyHyperlinkListener();
c.setLayout(null);
cboChannels = new JComboBox();
cboChannels.setBounds(5, 5, 150, 24);
butChannel = new JButton("Join");
butChannel.setToolTipText("Join channel");
butChannel.addActionListener(myAction);
butChannel.setBounds(160, 5, 60, 24);
butCreate = new JButton("Create");
butCreate.setToolTipText("Create new channel");
butCreate.addActionListener(myAction);
butCreate.setBounds(230, 5, 100, 24);
butCreate.setEnabled(false);
butInvite = new JButton("Invite");
butInvite.setToolTipText("Invite Friend");
butInvite.addActionListener(myAction);
butInvite.setBounds(340, 5, 80, 24);
mainChat = new ChatPane(this);
textScroller =
new JScrollPane(
mainChat,
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
textScroller.setBounds(5, 34, 500, 270);
userList = new JList();
userList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
userList.setCellRenderer(new MyCellRenderer());
userList.setBackground(new Color(249, 249, 250));
JScrollPane userScroller = new JScrollPane(userList);
userScroller.setBounds(510, 34, 100, 297);
messageText = new JTextField();
messageText.setBounds(5, 309, 500, 22);
messageText.setColumns(10);
messageText.setBackground(new Color(249, 249, 250));
JMenuItem item;
popup = new JPopupMenu("test");
popup.add("whisper").addActionListener(myAction);
popup.add("private message").addActionListener(myAction);
popup.add("ignore").addActionListener(myAction);
popup.add("clear ignore list").addActionListener(myAction);
conNo = new ImageIcon(getURL("images/connect_no.gif"));
conYes = new ImageIcon(getURL("images/connect_established.gif"));
secNo = new ImageIcon(getURL("images/decrypted.gif"));
secYes = new ImageIcon(getURL("images/encrypted.gif"));
conIcon = new JLabel(conNo);
conIcon.setBorder(new EtchedBorder());
secIcon = new JLabel(secNo);
secIcon.setBorder(new EtchedBorder());
conIcon.setBounds(563, 334, 22, 22);
secIcon.setBounds(588, 334, 22, 22);
bottomText =
new JLabel(
"<html><body><font color=#445577><b>"
+ "LlamaChat "
+ VERSION
+ "</b></font> © "
+ "<a href=\""
+ linkURL
+ "\">Joseph Monti</a> 2002-2003"
+ "</body></html>");
bottomText.setBounds(5, 336, 500, 20);
c.add(cboChannels);
c.add(butChannel);
c.add(butCreate);
c.add(butInvite);
c.add(textScroller);
c.add(userScroller);
c.add(messageText);
c.add(conIcon);
c.add(secIcon);
c.add(bottomText);
userList.addMouseListener(myMouseListener);
messageText.addKeyListener(myKeyListener);
bottomText.addMouseListener(myMouseListener);
users = new ArrayList();
ignores = new ArrayList(5);
afks = new ArrayList(5);
admins = new ArrayList(5);
history = new CommandHistory(10);
admin = false;
channels = new Hashtable();
privates = new PrivateMsg(this);
showUserStatus = false;
myColors[0] = new Color(200, 0, 0);
myColors[1] = new Color(0, 150, 0);
myColors[2] = new Color(0, 0, 200);
rect = new Rectangle(0, 0, 1, 1);
String opening =
"<font color=#333333>"
+ "==================================<br>"
+ "Welcome to LlamaChat "
+ VERSION
+ "<br>"
+ "If you need assistance, type \\help<br>"
+ "Enjoy your stay!<br>"
+ "Maestria Aplicada en Redes<br>"
+ "==================================<br></font>";
HTMLDocument doc = (HTMLDocument) mainChat.getDocument();
HTMLEditorKit kit = (HTMLEditorKit) mainChat.getEditorKit();
try {
kit.insertHTML(doc, doc.getLength(), opening, 0, 0, HTML.Tag.FONT);
} catch (Throwable t) {
t.printStackTrace(System.out);
}
// validate the name
if (!username.matches("[\\w_-]+?")) {
error(
"username contains invalid characters, changing to "
+ "'invalid' for now. "
+ "Type \\rename to chose a new name");
username = "******";
}
if (username.length() > 10) {
username = username.substring(0, 10);
error("username too long, changed to " + username);
}
connect();
}