/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.karaf.management;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.UnknownHostException;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.RMIClientSocketFactory;
import java.rmi.server.RMIServerSocketFactory;
import java.rmi.server.RMISocketFactory;
import java.rmi.server.UnicastRemoteObject;
public class RmiRegistryFactory {
private int port = Registry.REGISTRY_PORT;
private String host;
private Registry registry;
private boolean locate;
private boolean create = true;
private boolean locallyCreated;
/**
* @return the create
*/
public boolean isCreate() {
return create;
}
/**
* @param create the create to set
*/
public void setCreate(boolean create) {
this.create = create;
}
/**
* @return the locate
*/
public boolean isLocate() {
return locate;
}
/**
* @param locate the locate to set
*/
public void setLocate(boolean locate) {
this.locate = locate;
}
/**
* @return the port
*/
public int getPort() {
return port;
}
/**
* @param port the port to set
*/
public void setPort(int port) {
this.port = port;
}
public String getHost() {
return host;
}
public void setHost(String host) {
this.host = host;
}
public Object getObject() throws Exception {
return registry;
}
public void init() throws RemoteException, UnknownHostException {
if (registry == null && locate) {
try {
Registry reg = LocateRegistry.getRegistry(host, getPort());
reg.list();
registry = reg;
} catch (RemoteException e) {
// ignore
}
}
if (registry == null && create) {
if (host != null && !host.isEmpty()) {
RMIClientSocketFactory socketFactory = RMISocketFactory.getDefaultSocketFactory();
InetAddress addr = InetAddress.getByName(host);
RMIServerSocketFactory serverSocketFactory = new KarafServerSocketFactory(addr, port);
registry = LocateRegistry.createRegistry(getPort(), socketFactory, serverSocketFactory);
} else {
registry = LocateRegistry.createRegistry(getPort());
}
locallyCreated = true;
}
}
public void destroy() throws RemoteException {
if (registry != null && locallyCreated) {
Registry reg = registry;
registry = null;
UnicastRemoteObject.unexportObject(reg, true);
}
}
private static class KarafServerSocketFactory implements RMIServerSocketFactory {
private final int port;
private final InetAddress addr;
private KarafServerSocketFactory(InetAddress addr, int port) {
this.addr = addr;
this.port = port;
}
public ServerSocket createServerSocket(int i) throws IOException {
return new ServerSocket(port, 0, addr);
}
}
}