Class FlatFileItemReaderBuilder.FixedLengthBuilder<T,R>

java.lang.Object

org.springframework.batch.infrastructure.item.file.builder.FlatFileItemReaderBuilder.FixedLengthBuilder<T,R>

Type Parameters:

T - the type of the parent FlatFileItemReaderBuilder

R - the type returned once the tokenizer configuration is complete (either the FlatFileItemReaderBuilder itself, or a stage such as FlatFileItemReaderBuilder.TargetTypeStage or FlatFileItemReaderBuilder.FieldSetMapperStage)

Enclosing class:

FlatFileItemReaderBuilder<T>

public static class FlatFileItemReaderBuilder.FixedLengthBuilder<T,R>
extends Object

A builder for constructing a FixedLengthTokenizer

Since:

4.0

Author:

Michael Minella, Glenn Renfro, Mahmoud Ben Hassine, Drummond Dawson, Patrick Baumgartner, François Martin, Stefano Cordio, Daeho Kwon, snowykte0426

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	FixedLengthBuilder(Supplier<R> stage)

Method Summary

Modifier and Type	Method	Description
FlatFileItemReaderBuilder.FixedLengthBuilder<T,R>	addColumns(Range range)	Add a column range to the existing list
FlatFileItemReaderBuilder.FixedLengthBuilder<T,R>	addColumns(Range range, int index)	Insert a column range to the existing list
FixedLengthTokenizer	build()	Returns a FixedLengthTokenizer
FlatFileItemReaderBuilder.FixedLengthBuilder<T,R>	columns(Range... ranges)	The column ranges for each field
FlatFileItemReaderBuilder.FixedLengthBuilder<T,R>	fieldSetFactory(FieldSetFactory fieldSetFactory)	A factory for creating the resulting FieldSet.
R	names(String... names)	The names of the fields to be parsed from the file.
FlatFileItemReaderBuilder.FixedLengthBuilder<T,R>	strict(boolean strict)	Boolean indicating if the number of tokens in a line must match the number of fields (ranges) configured.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FixedLengthBuilder

protected FixedLengthBuilder(Supplier<R> stage)

Method Details

columns

public FlatFileItemReaderBuilder.FixedLengthBuilder<T,R> columns(Range... ranges)

The column ranges for each field

Parameters:

ranges - column ranges

Returns:

This instance for chaining

See Also:

• FixedLengthTokenizer.setColumns(Range[])

addColumns

public FlatFileItemReaderBuilder.FixedLengthBuilder<T,R> addColumns(Range range)

Add a column range to the existing list

Parameters:

range - a new column range

Returns:

This instance for chaining

See Also:

• FixedLengthTokenizer.setColumns(Range[])

addColumns

public FlatFileItemReaderBuilder.FixedLengthBuilder<T,R> addColumns(Range range,
 int index)

Insert a column range to the existing list

Parameters:

range - a new column range

index - index to add it at

Returns:

This instance for chaining

See Also:

• FixedLengthTokenizer.setColumns(Range[])

names

public R names(String... names)

The names of the fields to be parsed from the file. Required.

Parameters:

names - names of fields

Returns:

The parent builder, or the stage it was reached from

See Also:

• AbstractLineTokenizer.setNames(String[])

strict

public FlatFileItemReaderBuilder.FixedLengthBuilder<T,R> strict(boolean strict)

Boolean indicating if the number of tokens in a line must match the number of fields (ranges) configured. Defaults to true.

Parameters:

strict - defaults to true

Returns:

This instance for chaining

See Also:

• AbstractLineTokenizer.setStrict(boolean)

fieldSetFactory

public FlatFileItemReaderBuilder.FixedLengthBuilder<T,R> fieldSetFactory(FieldSetFactory fieldSetFactory)

A factory for creating the resulting FieldSet. Defaults to DefaultFieldSetFactory.

Parameters:

fieldSetFactory - Factory for creating FieldSet

Returns:

The instance of the builder for chaining.

See Also:

• AbstractLineTokenizer.setFieldSetFactory(FieldSetFactory)

build

public FixedLengthTokenizer build()

Returns a FixedLengthTokenizer

Returns:

a FixedLengthTokenizer