Java tutorial
/* * Copyright 2002-2015 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package it.cosenonjaviste.alfresco.annotations.processors.runtime; import it.cosenonjaviste.alfresco.annotations.ChildOf; import org.apache.log4j.Logger; import org.springframework.beans.BeansException; import org.springframework.beans.FatalBeanException; import org.springframework.beans.factory.NoSuchBeanDefinitionException; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.beans.factory.config.BeanFactoryPostProcessor; import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; import org.springframework.core.Ordered; import org.springframework.core.PriorityOrdered; import org.springframework.core.annotation.AnnotationUtils; import org.springframework.stereotype.Component; import org.springframework.util.StringUtils; /** * <tt>BeanFactoryPostProcessor</tt> for {@link it.cosenonjaviste.alfresco.annotations.ChildOf} annotation. * <br> * Mostly taken from https://jira.spring.io/browse/SPR-6343 and https://github.com/janesser/spring-framework/blob/SPR-6343/spring-context/src/main/java/org/springframework/context/annotation/ChildOfConfigurer.java * * @author Jan Esser * @cnj.editor Andrea Como */ @Component public class ChildOfConfigurer extends AbstractPostProcessorConfigurer { @Override protected void processBeanDefinition(ConfigurableListableBeanFactory beanFactory, BeanDefinition bd, String beanClassName, String definitionName) throws FatalBeanException { try { final ChildOf childOf = AnnotationUtils.findAnnotation(Class.forName(beanClassName), ChildOf.class); if (childOf != null) { final String parentName = childOf.value(); if (StringUtils.hasText(parentName)) { bd.setParentName(parentName); } else { throw new FatalBeanException( String.format("%s is @ChildOf annotated, but no value set.", beanClassName)); } } } catch (ClassNotFoundException e) { logger.warn(String.format( "ClassNotFoundException while searching for ChildOf annotation on bean name '%s' of type '%s'. This error is expected on Alfresco Community 4.2.c. for some classes in package 'org.alfresco.repo'", definitionName, beanClassName)); } } }