/**
*
* Copyright 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tuscany.binding.rmi.host;
import java.rmi.AlreadyBoundException;
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.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.tuscany.host.rmi.RMIHost;
import org.apache.tuscany.host.rmi.RMIHostException;
import org.apache.tuscany.host.rmi.RMIHostRuntimeException;
import org.osoa.sca.annotations.Init;
import org.osoa.sca.annotations.Scope;
/**
* This class provides an implementation for the RMI Host SPIs
*/
@Scope("MODULE")
public class RMIHostImpl implements RMIHost {
// map of RMI registries started and running
private Map<String, Registry> rmiRegistries;
public RMIHostImpl() {
rmiRegistries = new ConcurrentHashMap<String, Registry>();
/*
* if (System.getSecurityManager() == null) { System.setSecurityManager(new RMISecurityManager()); }
*/
}
@Init(eager = true)
public void init() {
}
public void registerService(String serviceName, int port, Remote serviceObject) throws RMIHostException,
RMIHostRuntimeException {
Registry registry;
try {
registry = rmiRegistries.get(Integer.toString(port));
if (registry == null) {
registry = LocateRegistry.createRegistry(port);
rmiRegistries.put(Integer.toString(port),
registry);
}
registry.bind(serviceName,
serviceObject);
} catch (AlreadyBoundException e) {
throw new RMIHostException(e.getMessage());
} catch (RemoteException e) {
RMIHostRuntimeException rmiExec = new RMIHostRuntimeException(e.getMessage());
rmiExec.setStackTrace(e.getStackTrace());
throw rmiExec;
}
}
public void registerService(String serviceName, Remote serviceObject) throws RMIHostException,
RMIHostRuntimeException {
registerService(serviceName,
RMI_DEFAULT_PORT,
serviceObject);
}
public void unregisterService(String serviceName, int port) throws RMIHostException,
RMIHostRuntimeException {
Registry registry;
try {
registry = rmiRegistries.get(Integer.toString(port));
if (registry == null) {
registry = LocateRegistry.createRegistry(port);
rmiRegistries.put(Integer.toString(port),
registry);
}
registry.unbind(serviceName);
} catch (RemoteException e) {
RMIHostRuntimeException rmiExec = new RMIHostRuntimeException(e.getMessage());
rmiExec.setStackTrace(e.getStackTrace());
throw rmiExec;
} catch (NotBoundException e) {
throw new RMIHostException(e.getMessage());
}
}
public void unregisterService(String serviceName) throws RMIHostException,
RMIHostRuntimeException {
unregisterService(serviceName,
RMI_DEFAULT_PORT);
}
public Remote findService(String host, String port, String svcName) throws RMIHostException,
RMIHostRuntimeException {
Registry registry;
Remote remoteService = null;
host = (host == null || host.length() <= 0) ? "localhost" : host;
int portNumber = (port == null || port.length() <= 0) ? RMI_DEFAULT_PORT : Integer
.decode(port);
try {
registry = LocateRegistry.getRegistry(host,
portNumber);
if (registry != null) {
remoteService = registry.lookup(svcName);
}
} catch (RemoteException e) {
RMIHostRuntimeException rmiExec = new RMIHostRuntimeException(e.getMessage());
rmiExec.setStackTrace(e.getStackTrace());
throw rmiExec;
} catch (NotBoundException e) {
throw new RMIHostException(e.getMessage());
}
return remoteService;
}
}