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package org.lestr.astenn.rmi;
import java.rmi.NotBoundException;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.lestr.astenn.PluginsManager;
import org.lestr.astenn.configuration.IPermissionsManager;
import org.lestr.astenn.plugin.IServer;
public class RMIServer implements IServer {
private static final String NAME = "RMI Server";
private int port;
private IPermissionsManager.IPermissionsManagerListener securityManagerListener;
private Registry registry;
public RMIServer() {
port = 1099;
registry = null;
securityManagerListener = new IPermissionsManager.IPermissionsManagerListener() {
@Override
public void localPluginExposed(Class<?> localPluginInterface,
Class<?> localPluginImplementation) {
try {
if (Remote.class.isAssignableFrom(localPluginImplementation))
registry.rebind(localPluginInterface.getName() + "/" + localPluginImplementation.getName(), (Remote) localPluginImplementation.newInstance());
} catch (InstantiationException ex) {
Logger.getLogger(RMIServer.class.getName()).log(Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
Logger.getLogger(RMIServer.class.getName()).log(Level.SEVERE, null, ex);
} catch (RemoteException ex) {
Logger.getLogger(RMIServer.class.getName()).log(Level.SEVERE, null, ex);
}
}// END Method localPluginExposed
@Override
public void localPluginUnexposing(Class<?> localPluginInterface,
Class<?> localPluginImplementation) {
try {
registry.unbind(localPluginInterface.getName() + "/" + localPluginImplementation.getName());
} catch (RemoteException ex) {
Logger.getLogger(RMIServer.class.getName()).log(Level.SEVERE, null, ex);
} catch (NotBoundException ex) {
Logger.getLogger(RMIServer.class.getName()).log(Level.SEVERE, null, ex);
}
}// END Method localPluginUnexposing
};
}// END Constructor
@Override
public String getName() {
return NAME;
}// END Method getName
/**
* @return Port TCP utilisé par le serveur.
*/
public int getPort() {
return port;
}// END Method getPort
/**
* @param Port TCP utilisé par le serveur.
*/
public void setPort(int port) {
this.port = port;
}// END Method setPort
@Override
public void start() throws Exception {
registry = port == 1099 ? LocateRegistry.getRegistry() : LocateRegistry.createRegistry(port);
// Récupération du gestionnaire de permissions d'Astenn
IPermissionsManager permissionsManager = PluginsManager.getSingleton().getConfiguration().getPermissionsManager();
for (Class<?>[] plugin : permissionsManager.getExposedLocalPlugins())
if (Remote.class.isAssignableFrom(plugin[1]))
registry.rebind(plugin[0].getName() + "/" + plugin[1].getName(), (Remote) plugin[1].newInstance());
// Démarrage de la surveillance des événements survenant au sein du gestionnaire de permissions
// afin que de bien exposer ou retirer les greffons lorsque demandé
permissionsManager.getListeners().add(securityManagerListener);
}// END Method start
@Override
public void stop() throws Exception {
for (String name : registry.list())
LocateRegistry.getRegistry().unbind(name);
// Récupération du gestionnaire de permissions d'Astenn
IPermissionsManager permissionsManager = PluginsManager.getSingleton().getConfiguration().getPermissionsManager();
for (Class<?>[] plugin : permissionsManager.getExposedLocalPlugins())
registry.unbind(plugin[0].getName() + "/" + plugin[1].getName());
registry = null;
}// END Method stop
public String getPluginRemoteAddress(Class<?> pluginInterfaceClass,
Class<?> pluginImplementationClass) {
return "rmi:127.0.0.1:" + getPort() + "/" + pluginInterfaceClass.getName() + "/" + pluginImplementationClass.getName();
}// END Method getPluginRemoteAddress
}// END Class AstennServer