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 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 } 041 042 public ConstantBeanHolder(Object bean, CamelContext context) { 043 ObjectHelper.notNull(bean, "bean"); 044 045 this.bean = bean; 046 this.beanInfo = new BeanInfo(context, bean.getClass()); 047 } 048 049 public ConstantBeanHolder(Object bean, CamelContext context, ParameterMappingStrategy parameterMappingStrategy) { 050 ObjectHelper.notNull(bean, "bean"); 051 052 this.bean = bean; 053 this.beanInfo = new BeanInfo(context, bean.getClass(), parameterMappingStrategy); 054 } 055 056 @Override 057 public String toString() { 058 // avoid invoke toString on bean as it may be a remote proxy 059 return ObjectHelper.className(bean) + "(" + ObjectHelper.getIdentityHashCode(bean) + ")"; 060 } 061 062 public Object getBean() { 063 return bean; 064 } 065 066 public Processor getProcessor() { 067 if (this.processor == null) { 068 this.processor = CamelContextHelper.convertTo(beanInfo.getCamelContext(), Processor.class, bean); 069 } 070 return this.processor; 071 } 072 073 public boolean supportProcessor() { 074 return true; 075 } 076 077 public BeanInfo getBeanInfo() { 078 return beanInfo; 079 } 080 081 public BeanInfo getBeanInfo(Object bean) { 082 return null; 083 } 084}