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<?php |
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declare(strict_types=1); |
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namespace Stadly\FileWaiter\Adapter; |
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use Psr\Http\Message\StreamFactoryInterface; |
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use Psr\Http\Message\StreamInterface; |
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use Stadly\FileWaiter\Adapter; |
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use Stadly\Http\Header\Value\Date; |
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use Stadly\Http\Header\Value\EntityTag\EntityTag; |
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use Stadly\Http\Header\Value\MediaType\MediaType; |
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use finfo; |
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/** |
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* Adapter for handling files represented as a byte string. |
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*/ |
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final class ByteString implements Adapter |
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{ |
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/** |
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* @var string Content of the byte string. |
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*/ |
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private $content; |
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/** |
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* @var StreamFactoryInterface Factory for creating streams. |
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*/ |
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private $streamFactory; |
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/** |
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* Constructor. |
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* |
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* @param string $content Content of the byte string. |
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* @param StreamFactoryInterface $streamFactory Factory for creating streams. |
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*/ |
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public function __construct(string $content, StreamFactoryInterface $streamFactory) |
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{ |
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$this->content = $content; |
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$this->streamFactory = $streamFactory; |
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} |
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/** |
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* @return StreamInterface File stream that can be used to read from the file. |
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*/ |
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public function getFileStream(): StreamInterface |
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{ |
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return $this->streamFactory->createStream($this->content); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getFileName(): ?string |
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{ |
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return null; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getFileSize(): ?int |
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{ |
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return mb_strlen($this->content, /*encoding*/'8bit'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getMediaType(): ?MediaType |
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{ |
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$fileInfo = new finfo(FILEINFO_MIME_TYPE); |
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$mimeType = $fileInfo->buffer($this->content); |
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if ($mimeType === false) { |
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// @codeCoverageIgnoreStart |
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return null; |
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// @codeCoverageIgnoreEnd |
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} |
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return MediaType::fromString($mimeType); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getLastModifiedDate(): ?Date |
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{ |
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return null; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getEntityTag(): ?EntityTag |
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{ |
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return new EntityTag(md5($this->content)); |
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} |
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} |
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Stadly /
FileWaiter-ByteString
