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Spring Framework example source code file (BeanDefinitionDecorator.java)

This example Spring Framework source code file (BeanDefinitionDecorator.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

beandefinitiondecorator, beandefinitiondecorator, beandefinitionholder, beandefinitionholder, dom, parsercontext, parsercontext

The Spring Framework BeanDefinitionDecorator.java source code

 * Copyright 2002-2006 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.springframework.beans.factory.xml;

import org.w3c.dom.Node;

import org.springframework.beans.factory.config.BeanDefinitionHolder;

 * Interface used by the {@link org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader}
 * to handle custom, nested (directly under a <code><bean>) tags.
 * <p>Decoration may also occur based on custom attributes applied to the
 * <code><bean> tag. Implementations are free to turn the metadata in the
 * custom tag into as many
 * {@link org.springframework.beans.factory.config.BeanDefinition BeanDefinitions} as
 * required and to transform the
 * {@link org.springframework.beans.factory.config.BeanDefinition} of the enclosing
 * <code><bean> tag, potentially even returning a completely different
 * {@link org.springframework.beans.factory.config.BeanDefinition} to replace the
 * original.
 * <p>{@link BeanDefinitionDecorator BeanDefinitionDecorators} should be aware that
 * they may be part of a chain. In particular, a {@link BeanDefinitionDecorator} should
 * be aware that a previous {@link BeanDefinitionDecorator} may have replaced the
 * original {@link org.springframework.beans.factory.config.BeanDefinition} with a
 * {@link org.springframework.aop.framework.ProxyFactoryBean} definition allowing for
 * custom {@link org.aopalliance.intercept.MethodInterceptor interceptors} to be added.
 * <p>{@link BeanDefinitionDecorator BeanDefinitionDecorators} that wish to add an
 * interceptor to the enclosing bean should extend
 * {@link org.springframework.aop.config.AbstractInterceptorDrivenBeanDefinitionDecorator}
 * which handles the chaining ensuring that only one proxy is created and that it
 * contains all interceptors from the chain.
 * <p>The parser locates a {@link BeanDefinitionDecorator} from the
 * {@link NamespaceHandler} for the namespace in which the custom tag resides.
 * @author Rob Harrop
 * @since 2.0
 * @see NamespaceHandler
 * @see BeanDefinitionParser
public interface BeanDefinitionDecorator {

	 * Parse the specified {@link Node} (either an element or an attribute) and decorate
	 * the supplied {@link org.springframework.beans.factory.config.BeanDefinition},
	 * returning the decorated definition.
	 * <p>Implementations may choose to return a completely new definition, which will
	 * replace the original definition in the resulting
	 * {@link org.springframework.beans.factory.BeanFactory}.
	 * <p>The supplied {@link ParserContext} can be used to register any additional
	 * beans needed to support the main definition.
	BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder definition, ParserContext parserContext);


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