From 1581cafff5f6866192314c3f8c17351398025ea3 Mon Sep 17 00:00:00 2001
From: Sebastian Rieger <sebastian.rieger@informatik.hs-fulda.de>
Date: Thu, 2 Nov 2017 23:29:07 +0100
Subject: [PATCH] rmi initial version

---
 .../verteiltesysteme/rmi/RMIEchoClient.java   | 25 +++++++++++++
 .../rmi/RMIEchoInterface.java                 |  9 +++++
 .../verteiltesysteme/rmi/RMIEchoServer.java   | 36 +++++++++++++++++++
 3 files changed, 70 insertions(+)
 create mode 100644 VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoClient.java
 create mode 100644 VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoInterface.java
 create mode 100644 VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoServer.java

diff --git a/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoClient.java b/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoClient.java
new file mode 100644
index 0000000..12720fa
--- /dev/null
+++ b/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoClient.java
@@ -0,0 +1,25 @@
+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();
+        }
+    }
+}
\ No newline at end of file
diff --git a/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoInterface.java b/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoInterface.java
new file mode 100644
index 0000000..ca48d00
--- /dev/null
+++ b/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoInterface.java
@@ -0,0 +1,9 @@
+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;
+}
\ No newline at end of file
diff --git a/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoServer.java b/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoServer.java
new file mode 100644
index 0000000..51ac5f4
--- /dev/null
+++ b/VerteilteSysteme-Examples/src/verteiltesysteme/rmi/RMIEchoServer.java
@@ -0,0 +1,36 @@
+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();
+	}	
+}
\ No newline at end of file