rmi initial version

VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoClient.java

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+package verteiltesysteme.rmi;
+
+import java.rmi.registry.LocateRegistry;
+import java.rmi.registry.Registry;
+
+public class RMIEchoClient {
+
+    private RMIEchoClient() {}
+
+    public static void main(String[] args) {
+
+        String host = (args.length < 1) ? null : args[0];
+        try {
+            Registry registry = LocateRegistry.getRegistry(host);
+            RMIEchoInterface stub = (RMIEchoInterface) registry.lookup("RMIEchoInterface");
+            String response = stub.toLowerCase("hAlLo");
+            System.out.println("response: " + response);
+            response = stub.toUpperCase("hAlLo");
+            System.out.println("response: " + response);
+        } catch (Exception e) {
+            System.err.println("Client exception: " + e.toString());
+            e.printStackTrace();
+        }
+    }
+}

VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoInterface.java

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+package verteiltesysteme.rmi;
+
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+public interface RMIEchoInterface extends Remote {
+	public String toLowerCase(String input) throws RemoteException;
+	public String toUpperCase(String input) throws RemoteException;
+}

VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoServer.java

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+package verteiltesysteme.rmi;
+
+import java.rmi.*;
+import java.rmi.server.*;
+import java.rmi.registry.*;
+
+public class RMIEchoServer implements RMIEchoInterface {
+    public RMIEchoServer() {}
+
+    public static void main(String args[]) {
+
+        try {
+        	RMIEchoServer obj = new RMIEchoServer();
+        	RMIEchoInterface stub = (RMIEchoInterface) UnicastRemoteObject.exportObject(obj, 0);
+
+            // Bind the remote object's stub in the registry
+            Registry registry = LocateRegistry.getRegistry();
+            registry.bind("RMIEchoInterface", stub);
+
+            System.err.println("Server ready");
+        } catch (Exception e) {
+            System.err.println("Server exception: " + e.toString());
+            e.printStackTrace();
+        }
+    }
+
+	@Override
+	public String toLowerCase(String input) throws RemoteException {
+		return input.toLowerCase();
+	}
+
+	@Override
+	public String toUpperCase(String input) throws RemoteException {
+		return input.toUpperCase();
+	}	
+}