/* * 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; import org.springframework.aop.aspectj.AspectJExpressionPointcut; import org.springframework.beans.factory.xml.BeanDefinitionParser; import org.springframework.beans.factory.xml.NamespaceHandlerSupport; /** * {@code NamespaceHandler} for the {@code aop} namespace. * * <p>Provides a {@link org.springframework.beans.factory.xml.BeanDefinitionParser} for the * {@code <aop:config>} tag. A {@code config} tag can include nested * {@code pointcut}, {@code advisor} and {@code aspect} tags. * * <p>The {@code pointcut} tag allows for creation of named * {@link AspectJExpressionPointcut} beans using a simple syntax: * <pre class="code"> * <aop:pointcut id="getNameCalls" expression="execution(* *..ITestBean.getName(..))"/> * </pre> * * <p>Using the {@code advisor} tag you can configure an {@link org.springframework.aop.Advisor} * and have it applied to all relevant beans in you {@link org.springframework.beans.factory.BeanFactory} * automatically. The {@code advisor} tag supports both in-line and referenced * {@link org.springframework.aop.Pointcut Pointcuts}: * * <pre class="code"> * <aop:advisor id="getAgeAdvisor" * pointcut="execution(* *..ITestBean.getAge(..))" * advice-ref="getAgeCounter"/> * * <aop:advisor id="getNameAdvisor" * pointcut-ref="getNameCalls" * advice-ref="getNameCounter"/></pre> * * @author Rob Harrop * @author Adrian Colyer * @author Juergen Hoeller * @since 2.0 */ public class AopNamespaceHandler extends NamespaceHandlerSupport { /** * Register the {@link BeanDefinitionParser BeanDefinitionParsers} for the * '{@code config}', '{@code spring-configured}', '{@code aspectj-autoproxy}' * and '{@code scoped-proxy}' tags. */ @Override public void init() { // In 2.0 XSD as well as in 2.1 XSD. registerBeanDefinitionParser("config", new ConfigBeanDefinitionParser()); registerBeanDefinitionParser("aspectj-autoproxy", new AspectJAutoProxyBeanDefinitionParser()); registerBeanDefinitionDecorator("scoped-proxy", new ScopedProxyBeanDefinitionDecorator()); // Only in 2.0 XSD: moved to context namespace as of 2.1 registerBeanDefinitionParser("spring-configured", new SpringConfiguredBeanDefinitionParser()); } }