Java tutorial
/* * Copyright (c) 2010 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 com.springinpractice.ch14.kite.config.xml; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.beans.factory.config.RuntimeBeanReference; import org.springframework.beans.factory.support.BeanDefinitionBuilder; import org.springframework.beans.factory.support.RootBeanDefinition; import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser; import org.w3c.dom.Element; import com.springinpractice.ch14.kite.interceptor.DefaultGuardListSource; import com.springinpractice.ch14.kite.interceptor.GuardListInterceptor; /** * Parses <code><kite:guard-list-advice></code> elements in Spring application context configuration files. * * @author Willie Wheeler (willie.wheeler@gmail.com) * @since 1.0 */ class GuardListAdviceParser extends AbstractSingleBeanDefinitionParser { /* (non-Javadoc) * @see org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser#getBeanClass(org.w3c.dom.Element) */ @Override protected Class<?> getBeanClass(Element elem) { return GuardListInterceptor.class; } /* (non-Javadoc) * @see org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser#doParse(org.w3c.dom.Element, * org.springframework.beans.factory.support.BeanDefinitionBuilder) */ @Override protected void doParse(Element elem, BeanDefinitionBuilder builder) { builder.setRole(BeanDefinition.ROLE_INFRASTRUCTURE); // If an advice is explicitly defined, then we're using the DefaultCircuitBreakerSource. RootBeanDefinition srcDef = new RootBeanDefinition(DefaultGuardListSource.class); srcDef.setSource(elem); srcDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE); srcDef.getPropertyValues().add("guards", new RuntimeBeanReference(elem.getAttribute("guards"))); builder.addPropertyValue("source", srcDef); } }