001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.servicemix.jbi.jmx;
018    
019    import java.rmi.RemoteException;
020    import java.rmi.registry.LocateRegistry;
021    import java.rmi.registry.Registry;
022    import java.rmi.server.UnicastRemoteObject;
023    
024    import org.springframework.beans.factory.DisposableBean;
025    import org.springframework.beans.factory.FactoryBean;
026    import org.springframework.beans.factory.InitializingBean;
027    
028    /**
029     * 
030     * @author gnodet
031     * @org.apache.xbean.XBean element="rmiRegistry"
032     */
033    public class RmiRegistryFactoryBean implements FactoryBean, InitializingBean, DisposableBean {
034    
035        private int port = Registry.REGISTRY_PORT;
036        private Registry registry;
037        private boolean locate;
038        private boolean create = true;
039        private boolean locallyCreated;
040        
041        /**
042         * @return the create
043         */
044        public boolean isCreate() {
045            return create;
046        }
047    
048        /**
049         * @param create the create to set
050         */
051        public void setCreate(boolean create) {
052            this.create = create;
053        }
054    
055        /**
056         * @return the locate
057         */
058        public boolean isLocate() {
059            return locate;
060        }
061    
062        /**
063         * @param locate the locate to set
064         */
065        public void setLocate(boolean locate) {
066            this.locate = locate;
067        }
068    
069        /**
070         * @return the port
071         */
072        public int getPort() {
073            return port;
074        }
075    
076        /**
077         * @param port the port to set
078         */
079        public void setPort(int port) {
080            this.port = port;
081        }
082    
083        public Object getObject() throws Exception {
084            return registry;
085        }
086    
087        public Class getObjectType() {
088            return Registry.class;
089        }
090    
091        public boolean isSingleton() {
092            return true;
093        }
094    
095        public void afterPropertiesSet() throws RemoteException {
096            if (registry == null && locate) {
097                try {
098                    Registry reg = LocateRegistry.getRegistry(getPort());
099                    reg.list();
100                    registry = reg;
101                } catch (RemoteException e) {
102                    // ignore
103                }
104            }
105            if (registry == null && create) {
106                registry = LocateRegistry.createRegistry(getPort());
107                locallyCreated = true;
108            }
109        }
110    
111        public void destroy() throws RemoteException {
112            if (registry != null && locallyCreated) {
113                Registry reg = registry;
114                registry = null;
115                UnicastRemoteObject.unexportObject(reg, true);
116            }
117        }
118    
119    }