spring-batch HeaderFieldExtractor 源码
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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