Java Remote Method Invocation (RMI) with Secure Socket Layer (SSL) - http://codeoftheday.blogspot.com/2013/07/java-remote-method-invocation-rmi-with.html

CentralTimeServiceImpl.java

/**
 * Java Remote Method Invocation (RMI) with Secure Socket Layer (SSL)
 * http://codeoftheday.blogspot.com/2013/07/java-remote-method-invocation-rmi-with.html
 */
package smhumayun.codeoftheday.RmiOverSslTest;

import javax.rmi.ssl.SslRMIClientSocketFactory;
import javax.rmi.ssl.SslRMIServerSocketFactory;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;

/**
 * Implementation of {@link CentralTimeService}
 *
 * User: smhumayun
 * Date: 7/4/13
 * Time: 8:25 AM
 */
public class CentralTimeServiceImpl extends UnicastRemoteObject implements CentralTimeService {

    /**
     * Creates and exports a new UnicastRemoteObject object using an
     * anonymous port.
     *
     * @throws java.rmi.RemoteException if failed to export object
     * @since JDK1.1
     */
    protected CentralTimeServiceImpl() throws RemoteException {
        super(0,
                new SslRMIClientSocketFactory(),
                new SslRMIServerSocketFactory(null, null, true));
    }

    /**
     * Return current time in milliseconds on server
     *
     * @return current time on server in milliseconds
     * @throws RemoteException
     */
    @Override
    public long getTime() throws RemoteException {
        return System.currentTimeMillis();
    }

    /**
     * Main method to start server
     *
     * @param args arguments
     */
    public static void main(String args[]) {

        try {

            // Get SSL-based registry
            Registry registry = LocateRegistry.getRegistry(null, CentralTimeService.PORT, new SslRMIClientSocketFactory());

            //Create new impl object
            CentralTimeServiceImpl centralTimeServiceImpl = new CentralTimeServiceImpl();

            // Bind this object instance to the name "CentralTimeService"
            registry.bind("CentralTimeService", centralTimeServiceImpl);

            System.out.println("CentralTimeService bound in registry");

        } catch (Exception e) {
            System.out.println("CentralTimeServiceImpl Error : " + e.getMessage());
            e.printStackTrace();
        }
    }

}