public static void main(String args[]) {
if (args.length == 0 || !args[0].startsWith("rmi:")) {
System.err.println("Usage: java FibonacciClient rmi://host.domain:port/fibonacci number");
return;
}
try {
Object o = Naming.lookup(args[0]);
Fibonacci calculator = (Fibonacci) o;
for (int i = 1; i < args.length; i++) {
try {
BigInteger index = new BigInteger(args[i]);
BigInteger f = calculator.getFibonacci(index);
System.out.println("The " + args[i] + "th Fibonacci number is " + f);
} catch (NumberFormatException e) {
System.err.println(args[i] + "is not an integer.");
}
}
} catch (MalformedURLException ex) {
System.err.println(args[0] + " is not a valid RMI URL");
} catch (RemoteException ex) {
System.err.println("Remote object threw exception " + ex);
} catch (NotBoundException ex) {
System.err.println("Could not find the requested remote object on the server");
}
}
public static void main(String[] args) {
String host = args[0];
int port = Integer.parseInt(args[1]);
long id = Long.parseLong(args[2]);
String character = args[3];
long actorId = Long.parseLong(args[4]);
// Install an RMISecurityManager, if there is not a
// SecurityManager already installed
if (System.getSecurityManager() == null) {
System.setSecurityManager(new RMISecurityManager());
}
String name = "rmi://" + host + ":" + port + "/MovieDatabase";
try {
MovieDatabase db = (MovieDatabase) Naming.lookup(name);
db.noteCharacter(id, character, actorId);
Movie movie = db.getMovie(id);
out.println(movie.getTitle());
for (Map.Entry entry : movie.getCharacters().entrySet()) {
out.println(" " + entry.getKey() + "\t" + entry.getValue());
}
} catch (RemoteException | NotBoundException | MalformedURLException ex) {
ex.printStackTrace(System.err);
}
}
/**
* Create a MonitoredHostProvider instance using the given HostIdentifier.
*
* @param hostId the host identifier for this MonitoredHost
* @throws MonitorException Thrown on any error encountered while communicating with the remote
* host.
*/
public MonitoredHostProvider(HostIdentifier hostId) throws MonitorException {
this.hostId = hostId;
this.listeners = new ArrayList();
this.interval = DEFAULT_POLLING_INTERVAL;
this.activeVms = new HashSet();
String rmiName;
String sn = serverName;
String path = hostId.getPath();
if ((path != null) && (path.length() > 0)) {
sn = path;
}
if (hostId.getPort() != -1) {
rmiName = "rmi://" + hostId.getHost() + ":" + hostId.getPort() + sn;
} else {
rmiName = "rmi://" + hostId.getHost() + sn;
}
try {
remoteHost = (RemoteHost) Naming.lookup(rmiName);
} catch (RemoteException e) {
/*
* rmi registry not available
*
* Access control exceptions, where the rmi server refuses a
* connection based on policy file configuration, come through
* here on the client side. Unfortunately, the RemoteException
* doesn't contain enough information to determine the true cause
* of the exception. So, we have to output a rather generic message.
*/
String message = "RMI Registry not available at " + hostId.getHost();
if (hostId.getPort() == -1) {
message = message + ":" + java.rmi.registry.Registry.REGISTRY_PORT;
} else {
message = message + ":" + hostId.getPort();
}
if (e.getMessage() != null) {
throw new MonitorException(message + "\n" + e.getMessage(), e);
} else {
throw new MonitorException(message, e);
}
} catch (NotBoundException e) {
// no server with given name
String message = e.getMessage();
if (message == null) message = rmiName;
throw new MonitorException("RMI Server " + message + " not available", e);
} catch (MalformedURLException e) {
// this is a programming problem
e.printStackTrace();
throw new IllegalArgumentException("Malformed URL: " + rmiName);
}
this.vmManager = new RemoteVmManager(remoteHost);
this.timer = new Timer(true);
}
/**
* Costruttore di classe. Inizializza la griglia e si collega al server.
*
* @throws MalformedURLException
* @throws RemoteException
* @throws NotBoundException
*/
public TicTacToeClient() throws MalformedURLException, RemoteException, NotBoundException {
idGameCreated = "";
idGameJoined = "";
grid = new int[Game.GRID_DIMENSION][Game.GRID_DIMENSION];
for (int i = 0; i < Game.GRID_DIMENSION; i++)
for (int j = 0; j < Game.GRID_DIMENSION; j++) grid[i][j] = Game.FREE_CELL;
wrs = new LinkedList<Watcher>();
server = (TicTacToeServer) Naming.lookup("rmi://" + IP_SERVER + "/tictactoe");
}
/**
* Instantiates an event handler for forwarding events from a specific object.
*
* @param receiverAddress The address of the RMI service to be called when the notification is
* forwarded.
* @param rmiConnectorServer The Rmi connector Server
*/
public RmiNotificationForwarder(
RmiConnectorAddress receiverAddress, RmiConnectorServer rmiConnectorServer)
throws RemoteException, IllegalAccessException {
this.receiverAddress = receiverAddress;
this.rmiConnectorServer = rmiConnectorServer;
// ---------------------------
// build the RMI url
// ---------------------------
String receiverName =
new String(
"rmi://"
+ receiverAddress.getHost()
+ ":"
+ receiverAddress.getPort()
+ "/"
+ receiverAddress.getName());
if (logger.finestOn()) {
logger.finest("Constructor", "looking for " + receiverName);
}
// ---------------------------
// We are going to try to get a reference on the receiver
// ---------------------------
try {
this.rmiNotificationReceiver = (RmiNotificationReceiver) Naming.lookup(receiverName);
connected = true;
if (this.rmiNotificationReceiver == null) {
if (logger.finestOn()) {
logger.finest("handleEvent", "receiver is null");
}
throw new RemoteException(
"Can't contact RMI Notification receive server at " + receiverName);
}
} catch (Exception x) {
throw new RemoteException("Can't contact RMI Notification receive server at " + receiverName);
}
}
public static void main(String[] args) {
String host = args[0];
int port = Integer.parseInt(args[1]);
if (System.getSecurityManager() == null) {
System.setSecurityManager(new RMISecurityManager());
}
String name = "//" + host + ":" + port + "/EquationSolver";
double[][] A = {
{4.0, 3.0, 1.0},
{2.0, -6.0, 4.0},
{7.0, 5.0, 3.0}
};
double[] b = {17.0, 8.0, 32.0};
try {
EquationSolver solver = (EquationSolver) Naming.lookup(name);
double[] x = solver.solve(A, b);
StringBuffer sb = new StringBuffer();
for (int i = 0; i < x.length; i++) {
sb.append(x[i]);
sb.append(' ');
}
System.out.println(sb);
} catch (RemoteException ex) {
ex.printStackTrace(System.err);
} catch (NotBoundException ex) {
ex.printStackTrace(System.err);
} catch (MalformedURLException ex) {
ex.printStackTrace(System.err);
}
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == Connect) {
if (nbr < 3) {
if (nom.getText().length() == 0
|| pwd.getPassword().length == 0
|| jTextField1.getText().length() == 0) {
JOptionPane.showMessageDialog(
null,
"Vous devez donner votre pseudonyme, votre mot de passe ainsi que l'adresse du serveur de chat",
"Informations manquantes",
JOptionPane.WARNING_MESSAGE);
nbr++;
} else {
try {
J = (Contrat) Naming.lookup("rmi://" + jTextField1.getText() + ":1099/JChat");
} catch (RemoteException ex4) {
JOptionPane.showMessageDialog(
null,
"La connexion au serveur a échoué",
"Serveur non démarré",
JOptionPane.WARNING_MESSAGE);
System.out.println(ex4);
nbr++;
} catch (MalformedURLException ex4) {
JOptionPane.showMessageDialog(
null, "Connexion 2", "Erreur de connexion", JOptionPane.WARNING_MESSAGE);
nbr++;
} catch (NotBoundException ex4) {
JOptionPane.showMessageDialog(
null,
"Serveur non joignable",
"Erreur de connexion",
JOptionPane.WARNING_MESSAGE);
System.out.println(ex4);
System.exit(0);
}
if (J != null) {
try { // de la méthode connect distante
// Récupération de l'adresse de la machine du client
try {
adr = InetAddress.getLocalHost().getHostName();
} catch (UnknownHostException ex3) {
}
// Si le nom et le mot de passe fournies par le client sont valides
// Envoi du nom et mot de passe pour la vérification de la validité de ce client
// ainsi que le num de port
// , adresse de la machine du client et nom de l'objet distant du client pour
// pouvoir l'invoquer ultérieurementulté
num_port = J.get_num_port();
if (J.connect(nom.getText(), new String(pwd.getPassword()), adr, num_port)) {
srv_Adr = jTextField1.getText();
srv_state = true;
// fermeture de la fenetre de connexion
fermer();
try {
java.rmi.registry.LocateRegistry.createRegistry(num_port);
System.out.println("Ecoute sur le port : " + num_port);
// Placement de l'objet distant du client sur sa machine : localhost dans le
// registre pour le numéro de port spécifié
Naming.rebind("//" + adr + ":" + num_port + "/" + nom.getText(), retourObj());
System.out.println(Naming.list("//" + adr + ":" + num_port)[0]);
} catch (MalformedURLException ex2) {
System.out.println(ex2);
} catch (RemoteException ex1) {
System.out.println(ex1);
}
// Constructeur graphique de la classe Client
C = new Client(nom.getText(), new String(pwd.getPassword()));
Essai essai = new Essai();
SplashWindowApp splash = new SplashWindowApp(C, 2000, essai);
if (J.getnbrcon() >= 2) {
System.out.println("Mise à jour de la liste du nouveau connecté");
// Mise à jour de la liste des destinataires du nouveau connecté
for (int i = 0; i < J.getnbrcon(); i++)
if (J.list_con()[i].compareTo(nom.getText()) != 0) C.ajout(J.list_con()[i]);
}
} else {
JOptionPane.showMessageDialog(
null, "Vérifiez votre pseudonyme ou mot de passe");
nbr++;
}
} catch (RemoteException ex) {
System.out.println(ex);
}
}
}
if (nbr == 3) {
JOptionPane.showMessageDialog(null, "Nombre maximum d'essai est atteint");
System.exit(0);
}
}
} else {
if (e.getSource() == Annuler) System.exit(0);
}
}