spring-batch HeaderFieldExtractor 源码

  • 2022-08-16
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spring-batch HeaderFieldExtractor 代码

文件路径:/spring-batch-samples/src/main/java/org/springframework/batch/sample/domain/order/internal/extractor/HeaderFieldExtractor.java

/*
 * Copyright 2009-2014 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
 *
 *      https://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.sample.domain.order.internal.extractor;

import java.text.SimpleDateFormat;

import org.springframework.batch.item.file.transform.FieldExtractor;
import org.springframework.batch.sample.domain.order.Order;

/**
 * @author Dan Garrette
 * @since 2.0.1
 */
public class HeaderFieldExtractor implements FieldExtractor<Order> {

	private SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd");

	@Override
	public Object[] extract(Order order) {
		return new Object[] { "BEGIN_ORDER:", order.getOrderId(), dateFormat.format(order.getOrderDate()) };
	}

}

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