Wednesday, January 24, 2018

RMI Lab Network




 Using Intelij RMI &  Netbean:

 

Interface:   RmiServerIntf.java

 

import java.rmi.Remote;
import java.rmi.RemoteException;

public interface RmiServerIntf extends Remote{
   
public String getMessage() throws RemoteException;

}

 

//Implementation: RmiImp.java

 

import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;
public class RmiImp extends UnicastRemoteObject implements RmiServerIntf {

   
public static final String MESSAGE = "Hello World";

   
public RmiImp() throws RemoteException {
       
super(0);
    }

   
public String getMessage() {
       
return MESSAGE;
    }
}

 

 

 //Server: 


import java.net.MalformedURLException;
import java.rmi.Naming;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;



public class RmiServer  {

   
public static void main(String[] args) throws RemoteException, MalformedURLException {
        System.
out.println("RmiServer Strarted");


       
try{

            LocateRegistry.createRegistry(
1099);
            System.
out.println("java RMI registry created");
            RmiImp obj =
new RmiImp();
            Naming.rebind(
"rmi://localhost/RmiServer",obj);
            System.
out.println("PeerServer bound in registy");
        }
       
catch(RemoteException re){

            System.
out.println("java RMI registry already exist");
        }
    }

}

 

//Client:

public class RmiClient {
   
public static void main(String[] args) throws Exception {
        RmiServerIntf obj = (RmiServerIntf) Naming.lookup(
"rmi://localhost/RmiServer");
        System.
out.println(obj.getMessage());
    }
}

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