FlatFileHeaderCallback (Spring Batch 4.1.4.RELEASE API)

All Known Implementing Classes:
HeaderCopyCallback
```
public interface FlatFileHeaderCallback
```
Callback interface for writing a header to a file.
Author:
Robert Kasanicky, Mahmoud Ben Hassine

- Method Summary
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  void writeHeader(java.io.Writer writer)
  Write contents to a file using the supplied Writer.

- Method Detail
  - writeHeader
```
void writeHeader(java.io.Writer writer)
          throws java.io.IOException
```
    Write contents to a file using the supplied Writer. It is not required to flush the writer inside this method.
    Parameters:
    writer - the Writer to be used to write the header.
    Throws:
    java.io.IOException - if error occurs during writing.