HeaderCopyCallback (Spring Batch 4.1.4.RELEASE API)

java.lang.Object
- org.springframework.batch.sample.support.HeaderCopyCallback

所有已实现的接口:
FlatFileHeaderCallback, LineCallbackHandler
```
public class HeaderCopyCallback
extends java.lang.Object
implements LineCallbackHandler, FlatFileHeaderCallback
```
Designed to be registered with both FlatFileItemReader and FlatFileItemWriter and copy header line from input file to output file.

构造器概要
构造器
构造器说明
HeaderCopyCallback()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`void`	`handleLine(java.lang.String line)`
`void`	`writeHeader(java.io.Writer writer)`	Write contents to a file using the supplied `Writer`.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - HeaderCopyCallback
```
public HeaderCopyCallback()
```
- 方法详细资料
  - handleLine
```
public void handleLine(java.lang.String line)
```
    指定者:
    handleLine 在接口中 LineCallbackHandler
  - writeHeader
```
public void writeHeader(java.io.Writer writer)
                 throws java.io.IOException
```
    从接口复制的说明: FlatFileHeaderCallback
    Write contents to a file using the supplied Writer. It is not required to flush the writer inside this method.
    指定者:
    writeHeader 在接口中 FlatFileHeaderCallback
    参数:
    writer - the Writer to be used to write the header.
    抛出:
    java.io.IOException - if error occurs during writing.