Spring Framework example source code file (AnnotationConfigBeanDefinitionParser.java)

This example Spring Framework source code file (AnnotationConfigBeanDefinitionParser.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

annotationconfigbeandefinitionparser, annotationconfigbeandefinitionparser, beancomponentdefinition, beandefinition, beandefinitionholder, beandefinitionparser, compositecomponentdefinition, compositecomponentdefinition, dom, object, object, parsercontext, parsercontext, set, util

The Spring Framework AnnotationConfigBeanDefinitionParser.java source code

/*
 * Copyright 2002-2008 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 org.springframework.context.annotation;

import java.util.Set;

import org.w3c.dom.Element;

import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.springframework.beans.factory.parsing.BeanComponentDefinition;
import org.springframework.beans.factory.parsing.CompositeComponentDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;

/**
 * Parser for the <context:annotation-config/> element.
 *
 * @author Mark Fisher
 * @author Juergen Hoeller
 * @author Christian Dupuis
 * @since 2.5
 * @see AnnotationConfigUtils
 */
public class AnnotationConfigBeanDefinitionParser implements BeanDefinitionParser {

	public BeanDefinition parse(Element element, ParserContext parserContext) {
		Object source = parserContext.extractSource(element);

		// Obtain bean definitions for all relevant BeanPostProcessors.
		Set<BeanDefinitionHolder> processorDefinitions =
				AnnotationConfigUtils.registerAnnotationConfigProcessors(parserContext.getRegistry(), source);

		// Register component for the surrounding <context:annotation-config> element.
		CompositeComponentDefinition compDefinition = new CompositeComponentDefinition(element.getTagName(), source);
		parserContext.pushContainingComponent(compDefinition);

		// Nest the concrete beans in the surrounding component.
		for (BeanDefinitionHolder processorDefinition : processorDefinitions) {
			parserContext.registerComponent(new BeanComponentDefinition(processorDefinition));
		}

		// Finally register the composite component.
		parserContext.popAndRegisterContainingComponent();

		return null;
	}

}