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.camel.component.rmi;
018    
019    import java.rmi.NotBoundException;
020    import java.rmi.Remote;
021    import java.rmi.RemoteException;
022    import java.rmi.registry.Registry;
023    
024    import org.apache.camel.Exchange;
025    import org.apache.camel.component.bean.BeanProcessor;
026    import org.apache.camel.impl.DefaultProducer;
027    
028    /**
029     * @version $Revision: 533076 $
030     */
031    public class RmiProducer extends DefaultProducer {
032    
033        private final RmiEndpoint endpoint;
034        private Remote remote;
035        private BeanProcessor beanProcessor;
036    
037        public RmiProducer(RmiEndpoint endpoint) throws RemoteException, NotBoundException {
038            super(endpoint);
039            this.endpoint = endpoint;
040        }
041    
042        public void process(Exchange exchange) throws Exception {
043            if (beanProcessor == null) {
044                beanProcessor = new BeanProcessor(getRemote(), getEndpoint().getContext());
045            }
046            beanProcessor.process(exchange);
047        }
048    
049        public Remote getRemote() throws RemoteException, NotBoundException {
050            if (remote == null) {
051                Registry registry = endpoint.getRegistry();
052                remote = registry.lookup(endpoint.getName());
053            }
054            return remote;
055        }
056    
057    }