# Uses of Interface
org.springframework.batch.item.file.transform.FieldExtractor

Packages that use FieldExtractor
Package
Description
org.springframework.batch.item.file.builder
Builders for file item readers and writers.
org.springframework.batch.item.file.transform
Infrastructure implementations of io file support transform concerns.

- ## Uses of FieldExtractor in org.springframework.batch.item.file.builder

  Methods in org.springframework.batch.item.file.builder with parameters of type FieldExtractor
  Modifier and Type
  Method
  Description
  `FlatFileItemWriterBuilder<T>`
  FlatFileItemWriterBuilder.DelimitedBuilder.`fieldExtractor(FieldExtractor<T> fieldExtractor)`
  Set the `FieldExtractor` to use to extract fields from each item.
  `FlatFileItemWriterBuilder<T>`
  FlatFileItemWriterBuilder.FormattedBuilder.`fieldExtractor(FieldExtractor<T> fieldExtractor)`
  Set the `FieldExtractor` to use to extract fields from each item.

- ## Uses of FieldExtractor in org.springframework.batch.item.file.transform

  Classes in org.springframework.batch.item.file.transform that implement FieldExtractor
  Modifier and Type
  Class
  Description
  `class`
  `BeanWrapperFieldExtractor<T>`
  This is a field extractor for a java bean.
  `class`
  `PassThroughFieldExtractor<T>`
  `FieldExtractor` that just returns the original item.
  Methods in org.springframework.batch.item.file.transform with parameters of type FieldExtractor
  Modifier and Type
  Method
  Description
  `void`
  ExtractorLineAggregator.`setFieldExtractor(FieldExtractor<T> fieldExtractor)`
  Public setter for the field extractor responsible for splitting an input object up into an array of objects.