/* This is the server providing methods to be called remotely via RMI.
 *   It must provide the methods.
 *   It must create an instance of the server and put it in the rmiregistry
 *     under the agreed name "HelloServer".
 */

import java.rmi.*;
import java.rmi.server.UnicastRemoteObject;

public class HelloImpl
        extends UnicastRemoteObject
        implements Hello
{
   private String name;

   // Constructor
   public HelloImpl(String s) throws RemoteException 
   {
      super();
      name = s;
   }

   // This is the one method of this interface that can be called remotely
   public String sayHello() throws RemoteException 
   {
      return  "Hello " + name ;
   }

   public static void main(String args[])
   {
      // Create and install a security manager
      System.setSecurityManager(new RMISecurityManager());

      try 
      {
        // create an instance of the server
         HelloImpl obj = new HelloImpl("from Nancy's HelloServer");
        // Put it into the naming registry server
         Naming.rebind("//carver.npac.syr.edu/HelloServer", obj);
         System.out.println("HelloServer bound in registry");
       } 
        catch (Exception e) 
         {
            System.out.println("HelloImpl err: " + e.getMessage());
            e.printStackTrace();
         }
   }
}