eap.config.AspectJAutoProxyBeanDefinitionParser.java Source code

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Here is the source code for eap.config.AspectJAutoProxyBeanDefinitionParser.java

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/*
 * 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
 *
 *      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.aop.config;
package eap.config;

import org.springframework.aop.config.AopConfigUtils;
import org.springframework.aop.config.AopNamespaceUtils;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * {@link BeanDefinitionParser} for the {@code aspectj-autoproxy} tag,
 * enabling the automatic application of @AspectJ-style aspects found in
 * the {@link org.springframework.beans.factory.BeanFactory}.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
 * @since 2.0
 */
public class AspectJAutoProxyBeanDefinitionParser implements BeanDefinitionParser {

    public BeanDefinition parse(Element element, ParserContext parserContext) {
        AopNamespaceUtils.registerAspectJAnnotationAutoProxyCreatorIfNecessary(parserContext, element);
        extendBeanDefinition(element, parserContext);
        return null;
    }

    private void extendBeanDefinition(Element element, ParserContext parserContext) {
        BeanDefinition beanDef = parserContext.getRegistry()
                .getBeanDefinition(AopConfigUtils.AUTO_PROXY_CREATOR_BEAN_NAME);
        if (element.hasChildNodes()) {
            addIncludePatterns(element, parserContext, beanDef);
        }
    }

    private void addIncludePatterns(Element element, ParserContext parserContext, BeanDefinition beanDef) {
        ManagedList<TypedStringValue> includePatterns = new ManagedList<TypedStringValue>();
        NodeList childNodes = element.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            Node node = childNodes.item(i);
            if (node instanceof Element) {
                Element includeElement = (Element) node;
                TypedStringValue valueHolder = new TypedStringValue(includeElement.getAttribute("name"));
                valueHolder.setSource(parserContext.extractSource(includeElement));
                includePatterns.add(valueHolder);
            }
        }
        if (!includePatterns.isEmpty()) {
            includePatterns.setSource(parserContext.extractSource(element));
            beanDef.getPropertyValues().add("includePatterns", includePatterns);
        }
    }

}