Java tutorial
/* * Licensed to David Pilato (the "Author") under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. Author licenses this * file to you 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.auditbucket.spring.xml; import com.auditbucket.spring.AuditBucketClientFactoryBean; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.beans.factory.support.BeanDefinitionBuilder; import org.springframework.beans.factory.support.GenericBeanDefinition; import org.springframework.beans.factory.xml.BeanDefinitionParser; import org.springframework.beans.factory.xml.ParserContext; import org.w3c.dom.Element; class ClientBeanDefinitionParser implements BeanDefinitionParser { protected static final Log logger = LogFactory.getLog(ClientBeanDefinitionParser.class); /** * Managing common properties for NodeClient and TransportClient * * @param beanClass * @param properties * @return */ private static BeanDefinitionBuilder startClientBuilder(Class beanClass, String properties) { BeanDefinitionBuilder nodeFactory = BeanDefinitionBuilder.rootBeanDefinition(beanClass); if (properties != null && properties.length() > 0) { nodeFactory.addPropertyReference("properties", properties); } return nodeFactory; } private static BeanDefinition buildClientDef(BeanDefinitionBuilder nodeFactory) { return nodeFactory.getBeanDefinition(); } public BeanDefinition parse(Element element, ParserContext parserContext) { // When node is not null, we should build a client. // When node is null, we want to build a transport client. String id = XMLParserUtil.getElementStringValue(element, "id"); String properties = XMLParserUtil.getElementStringValue(element, "properties"); BeanDefinition client; GenericBeanDefinition bdef = new GenericBeanDefinition(); bdef.setBeanClass(AuditBucketClientFactoryBean.class); BeanDefinitionBuilder clientBuilder = startClientBuilder(AuditBucketClientFactoryBean.class, properties); client = ClientBeanDefinitionParser.buildClientDef(clientBuilder); parserContext.getRegistry().registerBeanDefinition(id, client); return bdef; } }