%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/*
* This file is part of the Sonata Project package.
*
* (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Sonata\Exporter;
use Sonata\Exporter\Source\SourceIteratorInterface;
use Sonata\Exporter\Writer\TypedWriterInterface;
use Symfony\Component\HttpFoundation\StreamedResponse;
/**
* @author Grégoire Paris <postmaster@greg0ire.fr>
*/
final class Exporter
{
/**
* @var TypedWriterInterface[]
*/
private $writers;
/**
* @param TypedWriterInterface[] $writers an array of allowed typed writers, indexed by format name
*/
public function __construct(array $writers = [])
{
$this->writers = [];
foreach ($writers as $writer) {
$this->addWriter($writer);
}
}
/**
* @param string $format
* @param string $filename
* @param SourceIteratorInterface $source
*
* @throws \RuntimeException
*
* @return StreamedResponse
*/
public function getResponse($format, $filename, SourceIteratorInterface $source)
{
if (!\array_key_exists($format, $this->writers)) {
throw new \RuntimeException(sprintf(
'Invalid "%s" format, supported formats are : "%s"',
$format,
implode(', ', array_keys($this->writers))
));
}
$writer = $this->writers[$format];
$callback = function () use ($source, $writer) {
$handler = \Exporter\Handler::create($source, $writer);
$handler->export();
};
$headers = [
'Content-Disposition' => sprintf('attachment; filename="%s"', $filename),
];
$headers['Content-Type'] = $writer->getDefaultMimeType();
return new StreamedResponse($callback, 200, $headers);
}
/**
* Returns a simple array of export formats.
*
* @return string[] writer formats as returned by the TypedWriterInterface::getFormat() method
*/
public function getAvailableFormats()
{
return array_keys($this->writers);
}
/**
* The main benefit of this method is the type hinting.
*
* @param TypedWriterInterface $writer a possible writer for exporting data
*/
public function addWriter(TypedWriterInterface $writer)
{
$this->writers[$writer->getFormat()] = $writer;
}
}
class_exists(\Exporter\Exporter::class);
Zerion Mini Shell 1.0