/*
* To start the Client in console mode use one of the following command
* > java Client
* > java Client username
* > java Client username portNumber
* > java Client username portNumber serverAddress
* at the console prompt
* If the portNumber is not specified 1500 is used
* If the serverAddress is not specified "localHost" is used
* If the username is not specified "Anonymous" is used
* > java Client
* is equivalent to
* > java Client Anonymous 1500 localhost
* are equivalent
*
* In console mode, if an error occurs the program simply stops
* when a GUI id used, the GUI is informed of the disconnection
*/
public static void main(String[] args) {
int portNumber = 1500;
String serverAddress = "localhost";
String userName = "******";
switch (args.length) {
// > javac Client username portNumber serverAddr
case 3:
serverAddress = args[2];
// > javac Client username portNumber
case 2:
try {
portNumber = Integer.parseInt(args[1]);
} catch (Exception e) {
System.out.println("Invalid port number.");
System.out.println("Usage is: > java Client [username] [portNumber] [serverAddress]");
return;
}
// > javac Client username
case 1:
userName = args[0];
// > java Client
case 0:
break;
// invalid number of arguments
default:
System.out.println("Usage is: > java Client [username] [portNumber] {serverAddress]");
return;
}
Client client = new Client(serverAddress, portNumber, userName);
if (!client.start()) {
return;
}
Scanner scan = new Scanner(System.in);
while (true) {
System.out.print("> ");
String msg = scan.nextLine();
if (msg.equalsIgnoreCase("LOGOUT")) {
client.sendMessage(new ChatMessage(ChatMessage.LOGOUT, ""));
break;
} else if (msg.equalsIgnoreCase("WHOISIN")) {
client.sendMessage(new ChatMessage(ChatMessage.WHOISIN, ""));
} else {
client.sendMessage(new ChatMessage(ChatMessage.MESSAGE, msg));
}
}
client.disconnect();
}
