edu.pdx.cs.joy.net.ChatSession Maven / Gradle / Ivy
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package edu.pdx.cs.joy.net;
import java.io.*;
import java.util.*;
/**
* This class allows two people to chat.
*/
public class ChatSession {
private static PrintStream out = System.out;
private static PrintStream err = System.err;
/**
* Main program that reads lines of text from the console, composes
* messages from them, and receives messages from the the listener.
* The owner, host, and port numbers for the
* ChatSession are read from the command line.
*/
public static void main(String[] args) {
String owner = args[0];
int port = 0;
try {
port = Integer.parseInt(args[1]);
} catch (NumberFormatException ex) {
err.println("** Bad port number: " + args[1]);
}
out.println("Establishing connection");
// Make a new ChatCommunicate and start it up
ChatCommunicator communicator = new ChatCommunicator(port);
communicator.startup();
// Prompt for input, read from the command line until the "bye"
// message is inputted.
try {
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
String line = "";
while (!line.trim().equals("bye")) {
// Print and read messages from the listener
Iterator messages = communicator.getMessages().iterator();
while(messages.hasNext()) {
out.println(messages.next());
}
// Prompt for user input
out.print(owner + "> ");
out.flush();
line = br.readLine();
if(!line.trim().equals("")) {
ChatMessage message = new ChatMessage(owner, line);
communicator.sendMessage(message);
}
}
out.println("Waiting for other side to shut down");
} catch (IOException ex) {
err.println("** IOException: " + ex);
System.exit(1);
}
}
}