import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

/*
 * Created on Feb 2, 2005
 *
 * Try altering this so it doesn't keep asking about your mother after the first time
 * Have it clense words out of a sentence.
 * Have it reverse the letters of a word.
 */

/**
 * @author dano
 * 
 * Simple server accepts a single socket connection, processed incoming text and spits text back
 * 
 */
public class SuperSimpleServer {

    //this server accepts one connection at a time.
    // you can connect to it from telnet

    public static void main(String[] args) {
        ServerSocket frontDoor;
        Socket connection;
        String textSoFar = "";
        InputStream in;
        OutputStream out;
        int portNum = 9001;
        try {
            frontDoor = new ServerSocket(portNum);
            System.out.println("Set up a door at" + frontDoor.getInetAddress()+ "  " + frontDoor.getLocalPort());
            while (true) {
                System.out.println("Waiting for a new connection");
                connection = frontDoor.accept();//sits here and waits for
                                                // someone to knock on the door
                System.out.println(connection.getRemoteSocketAddress() + " knocked on the door and I let them in");
                in = connection.getInputStream();
                out = connection.getOutputStream();
                while (true) {
                    int input = in.read();
                    if (input == -1) {
                        System.out.println("Connection is broken");
                        break;
                    }
                    textSoFar = textSoFar + (char) input;
                    if (input == 13) { //carriage return
                        if (textSoFar.indexOf("mother") != -1) {
                            String outputString = "How do you feel about your mother?  ";
                            out.write(outputString.getBytes());
                        } else {
                            String outputString = "Interesting, tell me more.  ";
                            out.write(outputString.getBytes());
                        }
                    }
                }

            }
        } catch (IOException e) {
            System.out.println("Had a problem making a front door" + e);
        }

    }

}