001/* 002 * Copyright 2013-2014 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.springframework.batch.core.jsr.configuration.xml; 017 018import org.springframework.batch.core.configuration.xml.CoreNamespaceUtils; 019import org.springframework.batch.core.jsr.JsrStepContextFactoryBean; 020import org.springframework.batch.core.jsr.configuration.support.BatchArtifactType; 021import org.springframework.beans.factory.config.BeanDefinition; 022import org.springframework.beans.factory.support.AbstractBeanDefinition; 023import org.springframework.beans.factory.support.BeanDefinitionBuilder; 024import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser; 025import org.springframework.beans.factory.xml.ParserContext; 026import org.springframework.util.StringUtils; 027import org.w3c.dom.Element; 028 029/** 030 * Parses a <job /> tag as defined in JSR-352. Current state parses into 031 * the standard Spring Batch artifacts. 032 * 033 * @author Michael Minella 034 * @author Chris Schaefer 035 * @since 3.0 036 */ 037public class JsrJobParser extends AbstractSingleBeanDefinitionParser { 038 private static final String ID_ATTRIBUTE = "id"; 039 private static final String RESTARTABLE_ATTRIBUTE = "restartable"; 040 041 @Override 042 protected Class<JobFactoryBean> getBeanClass(Element element) { 043 return JobFactoryBean.class; 044 } 045 046 @Override 047 protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) { 048 CoreNamespaceUtils.autoregisterBeansForNamespace(parserContext, parserContext.extractSource(element)); 049 JsrNamespaceUtils.autoregisterJsrBeansForNamespace(parserContext); 050 051 String jobName = element.getAttribute(ID_ATTRIBUTE); 052 053 builder.setLazyInit(true); 054 055 builder.addConstructorArgValue(jobName); 056 057 builder.addPropertyReference("jobExplorer", "jobExplorer"); 058 059 String restartableAttribute = element.getAttribute(RESTARTABLE_ATTRIBUTE); 060 if (StringUtils.hasText(restartableAttribute)) { 061 builder.addPropertyValue("restartable", restartableAttribute); 062 } 063 064 new PropertyParser(jobName, parserContext, BatchArtifactType.JOB).parseProperties(element); 065 066 BeanDefinition flowDef = new FlowParser(jobName, jobName).parse(element, parserContext); 067 builder.addPropertyValue("flow", flowDef); 068 069 AbstractBeanDefinition stepContextBeanDefinition = BeanDefinitionBuilder.genericBeanDefinition(JsrStepContextFactoryBean.class) 070 .getBeanDefinition(); 071 072 stepContextBeanDefinition.setScope("step"); 073 074 parserContext.getRegistry().registerBeanDefinition("stepContextFactory", stepContextBeanDefinition); 075 076 new ListenerParser(JsrJobListenerFactoryBean.class, "jobExecutionListeners").parseListeners(element, parserContext, builder); 077 } 078}