LoginClient.java Source code

Introduction

Here is the source code for LoginClient.java

Source

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;

import javax.net.ssl.SSLServerSocket;
import javax.net.ssl.SSLServerSocketFactory;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;

class LoginClient {
    public LoginClient() {
        try {
            SSLSocketFactory socketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
            SSLSocket socket = (SSLSocket) socketFactory.createSocket("localhost", 7070);
            PrintWriter output = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
            String userName = "MyName";
            output.println(userName);
            String password = "MyPass";
            output.println(password);
            output.flush();
            BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            String response = input.readLine();
            System.out.println(response);

            output.close();
            input.close();
            socket.close();
        } catch (IOException ioException) {
            ioException.printStackTrace();
        } finally {
            System.exit(0);
        }
    }

    public static void main(String args[]) {
        new LoginClient();
    }
}

//////////////////////////////////////////////////////////////////////////////////////////////
class LoginServer {

    private static final String CORRECT_USER_NAME = "Java";

    private static final String CORRECT_PASSWORD = "HowToProgram";

    private SSLServerSocket serverSocket;

    public LoginServer() throws Exception {
        SSLServerSocketFactory socketFactory = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
        serverSocket = (SSLServerSocket) socketFactory.createServerSocket(7070);

    }

    private void runServer() {
        while (true) {
            try {
                System.err.println("Waiting for connection...");
                SSLSocket socket = (SSLSocket) serverSocket.accept();
                BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                PrintWriter output = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
                String userName = input.readLine();
                String password = input.readLine();

                if (userName.equals(CORRECT_USER_NAME) && password.equals(CORRECT_PASSWORD)) {
                    output.println("Welcome, " + userName);
                } else {
                    output.println("Login Failed.");
                }
                output.close();
                input.close();
                socket.close();

            } catch (IOException ioException) {
                ioException.printStackTrace();
            }
        }
    }

    public static void main(String args[]) throws Exception {
        LoginServer server = new LoginServer();
        server.runServer();
    }
}