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.bean;
018    
019    import java.util.Map;
020    
021    import org.apache.camel.Endpoint;
022    import org.apache.camel.Processor;
023    import org.apache.camel.impl.DefaultComponent;
024    import org.apache.camel.impl.ProcessorEndpoint;
025    
026    /**
027     * The <a href="http://activemq.apache.org/bean.html">Bean Component</a>
028     * will look up the URI in the Spring ApplicationContext and use that to handle message dispatching.
029     *
030     * @version $Revision: 749227 $
031     */
032    public class BeanComponent extends DefaultComponent {
033        private ParameterMappingStrategy parameterMappingStrategy;
034    
035        public BeanComponent() {
036        }
037    
038        /**
039         * A helper method to create a new endpoint from a bean with a generated URI
040         */
041        public ProcessorEndpoint createEndpoint(Object bean) {
042            String uri = "bean:generated:" + bean;
043            return createEndpoint(bean, uri);
044        }
045    
046        /**
047         * A helper method to create a new endpoint from a bean with a given URI
048         */
049        public ProcessorEndpoint createEndpoint(Object bean, String uri) {
050            BeanProcessor processor = new BeanProcessor(bean, getCamelContext(), getParameterMappingStrategy());
051            return createEndpoint(uri, processor);
052        }
053    
054        public ParameterMappingStrategy getParameterMappingStrategy() {
055            if (parameterMappingStrategy == null) {
056                parameterMappingStrategy = createParameterMappingStrategy();
057            }
058            return parameterMappingStrategy;
059        }
060    
061        public void setParameterMappingStrategy(ParameterMappingStrategy parameterMappingStrategy) {
062            this.parameterMappingStrategy = parameterMappingStrategy;
063        }
064    
065        // Implementation methods
066        //-----------------------------------------------------------------------
067        protected Endpoint createEndpoint(String uri, String remaining, Map parameters) throws Exception {
068            BeanEndpoint endpoint = new BeanEndpoint(uri, this);
069            endpoint.setBeanName(remaining);
070            Boolean cache = getAndRemoveParameter(parameters, "cache", Boolean.class, Boolean.FALSE);
071            endpoint.setCache(cache);
072            Processor processor = endpoint.getProcessor();
073            setProperties(processor, parameters);
074            return endpoint;
075        }
076    
077        protected BeanEndpoint createEndpoint(String uri, BeanProcessor processor) {
078            return new BeanEndpoint(uri, this, processor);
079        }
080    
081        protected ParameterMappingStrategy createParameterMappingStrategy() {
082            return BeanInfo.createParameterMappingStrategy(getCamelContext());
083        }
084    }