Package nl.datasteel.crudcraft.runtime.util

Class ExportUtil

java.lang.Object

nl.datasteel.crudcraft.runtime.util.ExportUtil

public final class ExportUtil
extends Object

Utility methods for exporting DTO lists to various formats.

Method Summary

Modifier and Type	Method	Description
static <R> void	streamCsv(Iterator<R> dtos, OutputStream out)	Streams a list of DTOs to a CSV file.
static <R> void	streamJson(Iterator<R> dtos, OutputStream out)	Streams a list of DTOs to a JSON array.
static <R> void	streamXlsx(Iterator<R> dtos, OutputStream out)	Streams a list of DTOs to an XLSX file.
static <R> byte[]	toCsv(List<R> dtos)	Exports a list of DTOs to a CSV file.
static <R> byte[]	toJson(List<R> dtos)	Exports a list of DTOs to a JSON array.
static <R> byte[]	toXlsx(List<R> dtos)	Exports a list of DTOs to an XLSX file.

Methods inherited from class java.lang.Object

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

Method Details

toCsv

public static <R> byte[] toCsv(List<R> dtos)

Exports a list of DTOs to a CSV file.

Parameters:

dtos - the list of DTOs to export

Returns:

a byte array containing the CSV data

toJson

public static <R> byte[] toJson(List<R> dtos)

Exports a list of DTOs to a JSON array.

Parameters:

dtos - the list of DTOs to export

Returns:

a byte array containing the JSON data

toXlsx

public static <R> byte[] toXlsx(List<R> dtos)

Exports a list of DTOs to an XLSX file.

Parameters:

dtos - the list of DTOs to export

Returns:

a byte array containing the XLSX file data

streamCsv

public static <R> void streamCsv(Iterator<R> dtos,
 OutputStream out)

Streams a list of DTOs to a CSV file.

Parameters:

dtos - the iterator of DTOs to export

out - the output stream to write the CSV to

streamJson

public static <R> void streamJson(Iterator<R> dtos,
 OutputStream out)

Streams a list of DTOs to a JSON array.

Parameters:

dtos - the iterator of DTOs to export

out - the output stream to write the JSON to

streamXlsx

public static <R> void streamXlsx(Iterator<R> dtos,
 OutputStream out)

Streams a list of DTOs to an XLSX file.

Parameters:

dtos - the iterator of DTOs to export

out - the output stream to write the XLSX file to