/* * Copyright 2002-2012 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 * * https://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 org.springframework.beans.factory.config;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import org.springframework.beans.BeansException;import org.springframework.beans.factory.BeanFactory;import org.springframework.util.ClassUtils;import org.springframework.util.StringUtils;/** * Bean factory post processor that logs a warning for {@link Deprecated @Deprecated} beans. * * @author Arjen Poutsma * @since 3.0.3 */public class DeprecatedBeanWarner implements BeanFactoryPostProcessor { /** * Logger available to subclasses. */ protected transient Log logger = LogFactory.getLog(getClass()); /** * Set the name of the logger to use. * The name will be passed to the underlying logger implementation through Commons Logging, * getting interpreted as log category according to the logger's configuration. * <p>This can be specified to not log into the category of this warner class but rather * into a specific named category. * @see org.apache.commons.logging.LogFactory#getLog(String) * @see org.apache.log4j.Logger#getLogger(String) * @see java.util.logging.Logger#getLogger(String) */ public void setLoggerName(String loggerName) { this.logger = LogFactory.getLog(loggerName); } @Override public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException { if (isLogEnabled()) { String[] beanNames = beanFactory.getBeanDefinitionNames(); for (String beanName : beanNames) { String nameToLookup = beanName; if (beanFactory.isFactoryBean(beanName)) { nameToLookup = BeanFactory.FACTORY_BEAN_PREFIX + beanName; } Class<?> beanType = ClassUtils.getUserClass(beanFactory.getType(nameToLookup)); if (beanType != null && beanType.isAnnotationPresent(Deprecated.class)) { BeanDefinition beanDefinition = beanFactory.getBeanDefinition(beanName); logDeprecatedBean(beanName, beanType, beanDefinition); } } }