/*
    * Copyright 2013-2014 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.admin.web.resource;
  
  import org.springframework.batch.admin.domain.DetailedJobInfo;
  import org.springframework.batch.admin.domain.DetailedJobInfoResource;
  import org.springframework.batch.admin.domain.JobExecutionInfo;
  import org.springframework.batch.admin.domain.JobExecutionInfoResource;
  import org.springframework.batch.admin.web.BatchJobsController;
  import org.springframework.hateoas.mvc.ResourceAssemblerSupport;
  
  
  /**
   * Knows how to build a REST resource out of our domain model {@link org.springframework.batch.admin.domain.DetailedJobInfo}.
   * 
   * @author Ilayaperumal Gopinathan
   */
  public class DetailedJobInfoResourceAssembler extends
  		ResourceAssemblerSupport<DetailedJobInfo, DetailedJobInfoResource> {
  
  	private JobExecutionInfoResourceAssembler jobExecutionInfoResourceAssembler = new JobExecutionInfoResourceAssembler();
  
  	public DetailedJobInfoResourceAssembler() {
  		super(BatchJobsController.class, DetailedJobInfoResource.class);
  	}
  
  	@Override
  	public DetailedJobInfoResource toResource(DetailedJobInfo entity) {
  		return createResourceWithId(entity.getName(), entity);
  	}
  
  	@Override
  	protected DetailedJobInfoResource instantiateResource(DetailedJobInfo entity) {
  		JobExecutionInfoResource jobExecutionInfoResource;
  		if (entity.getLastExecutionInfo() != null) {
  			JobExecutionInfo jobExecutionInfo = new JobExecutionInfo(
  					entity.getLastExecutionInfo().getJobExecution(),
  					entity.getLastExecutionInfo().getTimeZone());
  			jobExecutionInfoResource = jobExecutionInfoResourceAssembler.instantiateResource(jobExecutionInfo);
  		}
  		else {
  			jobExecutionInfoResource = null;
  		}
  		return new DetailedJobInfoResource(entity.getName(), entity.getExecutionCount(),
  				entity.isLaunchable(), entity.isIncrementable(), jobExecutionInfoResource);
  	}
  }