import java.io.*;
import java.net.*;
import java.util.*;

public class Client {
    public static void main(String[] args) {
        Socket connection;
        Scanner myInput = new Scanner(System.in);
        Object obj;
        String theString;
        ObjectInputStream inputStream;
        Formatter output;
        int inputNo = 0;

        try{
            connection = new Socket("localhost", 5888);
            inputStream = new ObjectInputStream(connection.getInputStream());
            output = new Formatter(connection.getOutputStream());

            inputNo++;

            System.out.println("Connected to server");

            System.out.println("Enter 0 to end program");

            while(true) {
                System.out.println("Enter a String: ");
                theString = myInput.nextLine();

                if (theString.equals("0"))
                    System.exit(0);

                output.format("%s\n", theString);
                output.flush();

                System.out.println("Input " + inputNo + " sent to server");
                inputNo++;

                obj = inputStream.readObject();
                System.out.println("Object received from server");

                if (obj instanceof MyString) {
                    System.out.printf("OUTPUT: %nString: %s%nLength: %d%nReverse: %s%nSubstring: %s%n",
                            ((MyString) obj).getTheString(), ((MyString) obj).getStringLength(),
                            ((MyString) obj).reverseTheString(), ((MyString) obj).getSubString());
                }
            }
        }
        catch (ClassNotFoundException cnfe){
            cnfe.printStackTrace();
        }
        catch (IOException ioe){
            ioe.printStackTrace();
        }
    }
}