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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.dubbo.config.spring.context;
import org.apache.dubbo.config.context.ConfigManager;
import org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor;
import org.apache.dubbo.config.spring.extension.SpringExtensionInjector;
import org.apache.dubbo.config.spring.util.DubboBeanUtils;
import org.apache.dubbo.config.spring.util.EnvironmentUtils;
import org.apache.dubbo.rpc.model.ApplicationModel;
import org.apache.dubbo.rpc.model.ModuleModel;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.core.env.ConfigurableEnvironment;
import java.util.SortedMap;
/**
* Register some infrastructure beans if not exists.
* This post-processor MUST impl BeanDefinitionRegistryPostProcessor,
* in order to enable the registered BeanFactoryPostProcessor bean to be loaded and executed.
*
* @see org.springframework.context.support.PostProcessorRegistrationDelegate#invokeBeanFactoryPostProcessors(
*org.springframework.beans.factory.config.ConfigurableListableBeanFactory, java.util.List)
*/
public class DubboInfraBeanRegisterPostProcessor implements BeanDefinitionRegistryPostProcessor, ApplicationContextAware {
/**
* The bean name of {@link ReferenceAnnotationBeanPostProcessor}
*/
public static final String BEAN_NAME = "dubboInfraBeanRegisterPostProcessor";
private BeanDefinitionRegistry registry;
private ApplicationContext applicationContext;
@Override
public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
this.registry = registry;
}
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
// In Spring 3.2.x, registry may be null because do not call postProcessBeanDefinitionRegistry method before postProcessBeanFactory
if (registry != null) {
// register ReferenceAnnotationBeanPostProcessor early before PropertySourcesPlaceholderConfigurer/PropertyPlaceholderConfigurer
// for processing early init ReferenceBean
ReferenceAnnotationBeanPostProcessor referenceAnnotationBeanPostProcessor = beanFactory.getBean(
ReferenceAnnotationBeanPostProcessor.BEAN_NAME, ReferenceAnnotationBeanPostProcessor.class);
beanFactory.addBeanPostProcessor(referenceAnnotationBeanPostProcessor);
// register PropertySourcesPlaceholderConfigurer bean if not exits
DubboBeanUtils.registerPlaceholderConfigurerBeanIfNotExists(beanFactory, registry);
}
ApplicationModel applicationModel = DubboBeanUtils.getApplicationModel(beanFactory);
ModuleModel moduleModel = DubboBeanUtils.getModuleModel(beanFactory);
// Initialize SpringExtensionInjector
SpringExtensionInjector.get(applicationModel).init(applicationContext);
SpringExtensionInjector.get(moduleModel).init(applicationContext);
DubboBeanUtils.getInitializationContext(beanFactory).setApplicationContext(applicationContext);
// Initialize dubbo Environment before ConfigManager
// Extract dubbo props from Spring env and put them to app config
ConfigurableEnvironment environment = (ConfigurableEnvironment) applicationContext.getEnvironment();
SortedMap dubboProperties = EnvironmentUtils.filterDubboProperties(environment);
applicationModel.getModelEnvironment().setAppConfigMap(dubboProperties);
// register ConfigManager singleton
beanFactory.registerSingleton(ConfigManager.BEAN_NAME, applicationModel.getApplicationConfigManager());
// fix https://github.com/apache/dubbo/issues/10278
if (registry != null){
registry.removeBeanDefinition(BEAN_NAME);
}
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = applicationContext;
}
}