Factory sample (Hello world with different languages)

rmi_hello_world_factory/Hello.java

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+package rmi_hello_world_factory;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+/**
+ * Created by Giovanni on 30/11/2014.
+ */
+public interface Hello extends Remote {
+    String sayhello () throws RemoteException;
+}

rmi_hello_world_factory/HelloImplementedEn.java

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+package rmi_hello_world_factory;
+
+import java.rmi.RemoteException;
+import java.rmi.server.UnicastRemoteObject;
+
+/**
+ * Created by Giovanni on 01/12/2014.
+ */
+public class HelloImplementedEn extends UnicastRemoteObject implements Hello {
+
+
+    private static final long serialVersionUID = 2025591618699941247L;
+
+    public HelloImplementedEn(String in) throws RemoteException {
+        nome=in;
+    }
+
+    @Override
+    public String sayhello() throws RemoteException {
+        return "Hello " + nome;
+    }
+    private String nome;
+}

rmi_hello_world_factory/HelloImplementedFr.java

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+package rmi_hello_world_factory;
+
+import java.rmi.RemoteException;
+import java.rmi.server.UnicastRemoteObject;
+
+/**
+ * Created by Giovanni on 01/12/2014.
+ */
+public class HelloImplementedFr extends UnicastRemoteObject implements Hello {
+
+
+    private static final long serialVersionUID = 2025591618699941247L;
+
+    public HelloImplementedFr(String in) throws RemoteException {
+        nome=in;
+    }
+
+    @Override
+    public String sayhello() throws RemoteException {
+        return "Bonjour " + nome;
+    }
+    private String nome;
+}

rmi_hello_world_factory/HelloImplementedIt.java

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+package rmi_hello_world_factory;
+
+import java.rmi.RemoteException;
+import java.rmi.server.UnicastRemoteObject;
+
+/**
+ * Created by Giovanni on 01/12/2014.
+ */
+public class HelloImplementedIt extends UnicastRemoteObject implements Hello {
+
+
+    private static final long serialVersionUID = 2025591618699941247L;
+
+    public HelloImplementedIt(String in) throws RemoteException {
+        nome=in;
+    }
+
+    @Override
+    public String sayhello() throws RemoteException {
+        return "Ciao " + nome;
+    }
+    private String nome;
+}

rmi_hello_world_factory/LaunchClient.java

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+package rmi_hello_world_factory;
+
+import com.sun.corba.se.spi.activation.Server;
+
+import java.net.MalformedURLException;
+import java.rmi.Naming;
+import java.rmi.NotBoundException;
+import java.rmi.RemoteException;
+
+/**
+ * Created by Giovanni on 01/12/2014.
+ */
+public class LaunchClient {
+
+
+    public static void main (String[] args){
+
+        System.setSecurityManager(new SecurityManager());
+
+        try {
+            ServerFactory f = (ServerFactory) Naming.lookup("rmi://localhost/Factory");
+            Hello h = f.request_hello_object("Italy","Mario");
+            System.out.println(h.sayhello());
+
+            h = f.request_hello_object("France","Mario");
+            System.out.println(h.sayhello());
+
+            h = f.request_hello_object("Germany","Mario");
+            System.out.println(h.sayhello());
+
+
+        } catch (NotBoundException e) {
+            e.printStackTrace();
+        } catch (MalformedURLException e) {
+            e.printStackTrace();
+        } catch (RemoteException e) {
+            e.printStackTrace();
+        }
+
+
+    }
+
+
+
+}

rmi_hello_world_factory/LaunchServer.java

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+package rmi_hello_world_factory;
+
+import java.rmi.RemoteException;
+import java.rmi.registry.LocateRegistry;
+import java.rmi.registry.Registry;
+
+/**
+ * Created by Giovanni on 30/11/2014.
+ */
+public class LaunchServer {
+
+
+    public static void main (String[] args){
+
+        System.setSecurityManager(new SecurityManager());
+
+        try {
+            ServerFactory f = new ServerFactoryImplemented();
+            Registry r = LocateRegistry.getRegistry();
+            r.rebind("Factory",f);
+
+
+        } catch (RemoteException e) {
+            e.printStackTrace();
+        }
+
+
+    }
+
+
+}

rmi_hello_world_factory/ServerFactory.java

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+package rmi_hello_world_factory;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+/**
+ * Created by Giovanni on 30/11/2014.
+ */
+public interface ServerFactory extends Remote{
+    Hello request_hello_object(String nationality, String nome) throws RemoteException;
+}

rmi_hello_world_factory/ServerFactoryImplemented.java

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+package rmi_hello_world_factory;
+
+import java.rmi.RemoteException;
+import java.rmi.server.UnicastRemoteObject;
+
+/**
+ * Created by Giovanni on 30/11/2014.
+ */
+public class ServerFactoryImplemented extends UnicastRemoteObject implements ServerFactory {
+
+
+    public ServerFactoryImplemented() throws RemoteException {
+
+    }
+
+
+    @Override
+    public Hello request_hello_object(String nationality, String nome) throws RemoteException {
+        if (nationality.equals("Italy")){
+            return new HelloImplementedIt(nome);
+        }else if (nationality.equals("France")){
+            return new HelloImplementedFr(nome);
+        }else {
+            return new HelloImplementedEn(nome);
+        }
+    }
+}