ServerTCP.java

import java.io.IOException;
import javax.net.ssl.SSLServerSocket;
import javax.net.ssl.SSLServerSocketFactory;
import javax.net.ssl.SSLSocket;

public class ServerTCP {

    private int port;
    private SSLServerSocket server = null;
    private SSLSocket client = null;
    private int clientCount = 0;
    private String password = "415263";

    public ServerTCP() {}

    public ServerTCP(int port) {
        this.port = port;
    }

    public int getClientCount() {
        return clientCount;
    }

    public void setClientCount(int clientCount) {
        this.clientCount = clientCount;
    }

    public void startServer() {
        System.out.println(">> start running encyrted tcp server.");
        try {
            /*
             * System.setProperty("javax.net.ssl.keyStore", "server.jsk");
             * System.setProperty("javax.net.ssl.keyStorePassword" , "123456");
             * SSLServerSocketFactory serverSocketFactory = (SSLServerSocketFactory)
             * SSLServerSocketFactory.getDefault(); server =
             * (SSLServerSocket)serverSocketFactory.createServerSocket(1027);
             * server.setEnabledCipherSuites(serverSocketFactory.getDefaultCipherSuites());
             */

            System.setProperty("javax.net.ssl.keyStore", "server.jsk");
            System.setProperty("javax.net.ssl.keyStorePassword", "123456");
            SSLServerSocketFactory factory =
                    (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();

            SSLServerSocket server = (SSLServerSocket) factory.createServerSocket(1027);

            // server = new ServerSocket(this.port);
            System.out.println("## Server start listening on port (" + this.port + ")");
            while (true) {
                client = (SSLSocket) server.accept();
                clientCount++;
                ServerThread serverThread = new ServerThread(client, clientCount, this);
                serverThread.start();
            }
        } catch (Exception e) {
            System.err.println("Error in startServer() : " + e.getMessage());
        }
    }

    public static void main(String[] args) throws IOException {
        if (args.length == 0) {

            ServerTCP serverobj = new ServerTCP(1027);
            serverobj.startServer();
        } else if (args.length == 1) {
            if ("no-encryption".equals(args[0])) {
                ServerTCP serverTCP = new ServerTCPNotSecure(1027);
                serverTCP.startServer();
            }
        } else System.out.println("## bad arguments : java ServerTCP <option 'no-encryption'>");
    }
}