/*
    * Copyright 2006-2013 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.batch.core.JobExecutionListener;
  import org.springframework.batch.core.JobParametersIncrementer;
  import org.springframework.batch.core.JobParametersValidator;
  import org.springframework.batch.core.job.flow.Flow;
  import org.springframework.batch.core.job.flow.FlowJob;
  import org.springframework.batch.core.repository.JobRepository;
  import org.springframework.beans.factory.FactoryBean;
  import org.springframework.beans.factory.SmartFactoryBean;
  import org.springframework.util.Assert;
  import org.springframework.util.StringUtils;
  
  /**
   * This {@link FactoryBean} is used by the batch namespace parser to create
   * {@link FlowJob} objects. It stores all of the properties that are
   * configurable on the <job/>.
   *
   * @author Dan Garrette
   * @author Dave Syer
   * @since 2.0.1
   */
  class JobParserJobFactoryBean implements SmartFactoryBean {
  
  	private String name;
  
  	private Boolean restartable;
  
  	private JobRepository jobRepository;
  
  	private JobParametersValidator jobParametersValidator;
  
  	private JobExecutionListener[] jobExecutionListeners;
  
  	private JobParametersIncrementer jobParametersIncrementer;
  
  	private Flow flow;
  
  	public JobParserJobFactoryBean(String name) {
  		this.name = name;
  	}
  
  	@Override
  	public final Object getObject() throws Exception {
  		Assert.isTrue(StringUtils.hasText(name), "The job must have an id.");
  		FlowJob flowJob = new FlowJob(name);
  
  		if (restartable != null) {
  			flowJob.setRestartable(restartable);
  		}
  
  		if (jobRepository != null) {
  			flowJob.setJobRepository(jobRepository);
  		}
  
  		if (jobParametersValidator != null) {
  			flowJob.setJobParametersValidator(jobParametersValidator);
  		}
  
  		if (jobExecutionListeners != null) {
  			flowJob.setJobExecutionListeners(jobExecutionListeners);
  		}
  
  		if (jobParametersIncrementer != null) {
  			flowJob.setJobParametersIncrementer(jobParametersIncrementer);
  		}
  
  		if (flow != null) {
  			flowJob.setFlow(flow);
  		}
  
  		flowJob.afterPropertiesSet();
  		return flowJob;
  	}
  
  	public void setRestartable(Boolean restartable) {
  		this.restartable = restartable;
  	}
  
  	public void setJobRepository(JobRepository jobRepository) {
  		this.jobRepository = jobRepository;
  	}
  
  	public void setJobParametersValidator(JobParametersValidator jobParametersValidator) {
 		this.jobParametersValidator = jobParametersValidator;
 	}
 
 	public JobRepository getJobRepository() {
 		return this.jobRepository;
 	}
 
 	public void setJobExecutionListeners(JobExecutionListener[] jobExecutionListeners) {
 		this.jobExecutionListeners = jobExecutionListeners;
 	}
 
 	public void setJobParametersIncrementer(JobParametersIncrementer jobParametersIncrementer) {
 		this.jobParametersIncrementer = jobParametersIncrementer;
 	}
 
 	public void setFlow(Flow flow) {
 		this.flow = flow;
 	}
 
 	@Override
 	public Class<FlowJob> getObjectType() {
 		return FlowJob.class;
 	}
 
 	@Override
 	public boolean isSingleton() {
 		return true;
 	}
 
 	@Override
 	public boolean isEagerInit() {
 		return true;
 	}
 
 	@Override
 	public boolean isPrototype() {
 		return false;
 	}
 
 }