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 */
017package org.apache.camel.component.bean;
018
019import org.apache.camel.CamelContext;
020import org.apache.camel.Processor;
021import org.apache.camel.util.CamelContextHelper;
022import org.apache.camel.util.ObjectHelper;
023
024/**
025 * A constant (singleton) bean implementation of {@link BeanHolder}
026 *
027 * @version 
028 */
029public 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
069    public BeanInfo getBeanInfo(Object bean) {
070        return null;
071    }
072}