TD3: Add HelloWorld RMI package.

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>

diff --git a/TD3/exemples/javarmi/hello/HelloClient.java b/TD3/exemples/javarmi/hello/HelloClient.java
new file mode 100644 (file)
index 0000000..0d0eeea
--- /dev/null
+++ b/TD3/exemples/javarmi/hello/HelloClient.java
@@ -0,0 +1,21 @@
+package exemples.javarmi.hello;
+import java.rmi.Naming;
+import java.rmi.RMISecurityManager;
+
+public class HelloClient {
+    public static void main(String[] args){
+        /* lance le SecurityManager */
+        System.setSecurityManager(new RMISecurityManager());
+        try {
+            String server = args[0];
+            int port = Integer.parseInt(args[1]);
+            /* cherche référence objet distant */
+            HelloInterface hello = (HelloInterface)Naming.lookup("rmi://"+server+":"+port+"/Hello1");
+            /* appel de méthode à distance */
+            System.out.println(hello.sayHello());
+        }
+        catch (Exception e) {
+            System.out.println ("Erreur client : " + e);
+        }
+    }
+}

diff --git a/TD3/exemples/javarmi/hello/HelloImpl.java b/TD3/exemples/javarmi/hello/HelloImpl.java
new file mode 100644 (file)
index 0000000..76ee108
--- /dev/null
+++ b/TD3/exemples/javarmi/hello/HelloImpl.java
@@ -0,0 +1,15 @@
+package exemples.javarmi.hello;
+import java.rmi.RemoteException;
+import java.rmi.server.UnicastRemoteObject;
+
+public class HelloImpl extends UnicastRemoteObject implements HelloInterface {
+    private static final long serialVersionUID = 6586708515447619453L;
+    private String message;
+
+    public HelloImpl(String s) throws RemoteException {
+        message = s;
+    }
+    public String sayHello() throws RemoteException {
+        return message;
+    }
+}

diff --git a/TD3/exemples/javarmi/hello/HelloInterface.java b/TD3/exemples/javarmi/hello/HelloInterface.java
new file mode 100644 (file)
index 0000000..a1dc126
--- /dev/null
+++ b/TD3/exemples/javarmi/hello/HelloInterface.java
@@ -0,0 +1,10 @@
+package exemples.javarmi.hello;
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+public interface HelloInterface extends Remote {
+    /**
+    * méthode imprimant un message prédéfini dans l'objet appelé
+    */
+    public String sayHello() throws RemoteException;
+}

diff --git a/TD3/exemples/javarmi/hello/HelloServer.java b/TD3/exemples/javarmi/hello/HelloServer.java
new file mode 100644 (file)
index 0000000..ad08111
--- /dev/null
+++ b/TD3/exemples/javarmi/hello/HelloServer.java
@@ -0,0 +1,18 @@
+package exemples.javarmi.hello;
+import java.rmi.Naming;
+import java.rmi.RMISecurityManager;
+
+public class HelloServer {
+    public static void main (String[] args) {
+        /* lancer SecurityManager */
+        System.setSecurityManager(new RMISecurityManager());
+        try {
+            /* créer une instance de la classe Hello et l'enregistrer dans le serveur de noms */
+            Naming.rebind("Hello1", new HelloImpl("Hello world"));
+            System.out.println("Serveur prêt");
+        }
+        catch (Exception e) {
+            System.out.println("Erreur serveur : " + e);
+        }
+    }
+}

diff --git a/TD3/exemples/javarmi/hello/security.policy b/TD3/exemples/javarmi/hello/security.policy
new file mode 100644 (file)
index 0000000..8ae3813
--- /dev/null
+++ b/TD3/exemples/javarmi/hello/security.policy
@@ -0,0 +1,4 @@
+grant {
+    permission java.net.SocketPermission "*:1024-65535", "connect, accept, resolve";
+    permission java.net.SocketPermission "*:80", "connect";
+};