Class FormatterLineAggregator<T>

java.lang.Object

org.springframework.batch.infrastructure.item.file.transform.ExtractorLineAggregator<T>

org.springframework.batch.infrastructure.item.file.transform.FormatterLineAggregator<T>

All Implemented Interfaces:

LineAggregator<T>

public class FormatterLineAggregator<T>
extends ExtractorLineAggregator<T>

A LineAggregator implementation which produces a String by aggregating the provided item via the Formatter syntax.

Author:

Dave Syer, Stefano Cordio

See Also:

• Formatter

Constructor Summary

Constructors

Constructor	Description
FormatterLineAggregator(String format)	Create a new FormatterLineAggregator with the provided format.

Method Summary

Modifier and Type	Method	Description
protected String	doAggregate(Object[] fields)	Aggregate provided fields into single String.
void	setFormat(String format)	Set the format string used to aggregate items.
void	setLocale(Locale locale)	Public setter for the locale.
void	setMaximumLength(int maximumLength)	Public setter for the maximum length of the formatted string.
void	setMinimumLength(int minimumLength)	Public setter for the minimum length of the formatted string.

Methods inherited from class ExtractorLineAggregator

aggregate, setFieldExtractor

Methods inherited from class Object

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

Constructor Details

FormatterLineAggregator

public FormatterLineAggregator(String format)

Create a new FormatterLineAggregator with the provided format.

Parameters:

format - the format to use to aggregate fields

Since:

6.0

Method Details

setMinimumLength

public void setMinimumLength(int minimumLength)

Public setter for the minimum length of the formatted string. If this is not set the default is to allow any length.

Parameters:

minimumLength - the minimum length to set

setMaximumLength

public void setMaximumLength(int maximumLength)

Public setter for the maximum length of the formatted string. If this is not set the default is to allow any length.

Parameters:

maximumLength - the maximum length to set

setFormat

public void setFormat(String format)

Set the format string used to aggregate items.

Parameters:

format - String containing the format to use.

See Also:

• Formatter

setLocale

public void setLocale(Locale locale)

Public setter for the locale.

Parameters:

locale - the locale to set

doAggregate

protected String doAggregate(Object[] fields)

Description copied from class: ExtractorLineAggregator

Aggregate provided fields into single String.

Specified by:

doAggregate in class ExtractorLineAggregator<T>

Parameters:

fields - An array of the fields that must be aggregated

Returns:

aggregated string