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 org.apache.camel.CamelContext;
020    import org.apache.camel.Processor;
021    import org.apache.camel.util.CamelContextHelper;
022    import org.apache.camel.util.ObjectHelper;
023    
024    /**
025     * A constant (singleton) bean implementation of {@link BeanHolder}
026     *
027     * @version 
028     */
029    public class ConstantBeanHolder implements BeanHolder {
030        private final Object bean;
031        private final BeanInfo beanInfo;
032        private final Processor processor;
033    
034        public ConstantBeanHolder(Object bean, BeanInfo beanInfo) {
035            ObjectHelper.notNull(bean, "bean");
036            ObjectHelper.notNull(beanInfo, "beanInfo");
037    
038            this.bean = bean;
039            this.beanInfo = beanInfo;
040            this.processor = CamelContextHelper.convertTo(beanInfo.getCamelContext(), Processor.class, bean);
041        }
042    
043        public ConstantBeanHolder(Object bean, CamelContext context) {
044            this(bean, new BeanInfo(context, bean.getClass()));
045        }
046    
047        public ConstantBeanHolder(Object bean, CamelContext context, ParameterMappingStrategy parameterMappingStrategy) {
048            this(bean, new BeanInfo(context, bean.getClass(), parameterMappingStrategy));
049        }
050    
051        @Override
052        public String toString() {
053            // avoid invoke toString on bean as it may be a remote proxy
054            return ObjectHelper.className(bean) + "(" + ObjectHelper.getIdentityHashCode(bean) + ")";
055        }
056    
057        public Object getBean()  {
058            return bean;
059        }
060    
061        public Processor getProcessor() {
062            return processor;
063        }
064    
065        public BeanInfo getBeanInfo() {
066            return beanInfo;
067        }
068    }