/*
    * Copyright 2006-2008 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.batch.core.configuration.xml;
  
  import org.springframework.beans.factory.BeanDefinitionStoreException;
  import org.springframework.beans.factory.config.BeanDefinition;
  import org.springframework.beans.factory.config.RuntimeBeanReference;
  import org.springframework.beans.factory.support.AbstractBeanDefinition;
  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
  import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
  import org.springframework.beans.factory.xml.ParserContext;
  import org.springframework.transaction.support.DefaultTransactionDefinition;
  import org.springframework.util.StringUtils;
  import org.w3c.dom.Element;
  
  /**
   * Parser for the lt;job-repository/gt; element in the Batch namespace. Sets up
   * and returns a JobRepositoryFactoryBean.
   *
   * @author Thomas Risberg
   * @since 2.0
   *
   */
  public class JobRepositoryParser extends AbstractSingleBeanDefinitionParser {
  
  	@Override
  	protected String getBeanClassName(Element element) {
  		return "org.springframework.batch.core.repository.support.JobRepositoryFactoryBean";
  	}
  
  	@Override
  	protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext)
  			throws BeanDefinitionStoreException {
  
  		String id = element.getAttribute(ID_ATTRIBUTE);
  		if (!StringUtils.hasText(id)) {
  			id = "jobRepository";
  		}
  
  		return id;
  
  	}
  
  	/**
  	 * Parse and create a bean definition for a
  	 * {@link org.springframework.batch.core.repository.support.JobRepositoryFactoryBean}
  	 * .
  	 */
  	@Override
  	protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
  
  		CoreNamespaceUtils.autoregisterBeansForNamespace(parserContext, element);
  
  		String dataSource = element.getAttribute("data-source");
  
  		String transactionManager = element.getAttribute("transaction-manager");
  
  		String isolationLevelForCreate = element.getAttribute("isolation-level-for-create");
  
  		String tablePrefix = element.getAttribute("table-prefix");
  
  		String maxVarCharLength = element.getAttribute("max-varchar-length");
  
  		String lobHandler = element.getAttribute("lob-handler");
  
  		String serializer = element.getAttribute("serializer");
  
  		RuntimeBeanReference ds = new RuntimeBeanReference(dataSource);
  		builder.addPropertyValue("dataSource", ds);
  		RuntimeBeanReference tx = new RuntimeBeanReference(transactionManager);
  		builder.addPropertyValue("transactionManager", tx);
  		if (StringUtils.hasText(isolationLevelForCreate)) {
  			builder.addPropertyValue("isolationLevelForCreate", DefaultTransactionDefinition.PREFIX_ISOLATION
  					+ isolationLevelForCreate);
  		}
  		if (StringUtils.hasText(tablePrefix)) {
  			builder.addPropertyValue("tablePrefix", tablePrefix);
  		}
  		if (StringUtils.hasText(lobHandler)) {
  			builder.addPropertyReference("lobHandler", lobHandler);
  		}
  		if (StringUtils.hasText(maxVarCharLength)) {
  			builder.addPropertyValue("maxVarCharLength", maxVarCharLength);
  		}
  		if (StringUtils.hasText(serializer)) {
  			builder.addPropertyReference("serializer", serializer);
 		}
 
 		builder.setRole(BeanDefinition.ROLE_SUPPORT);
 
 	}
 }