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<?php |
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declare(strict_types=1); |
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namespace DigitalCz\DigiSign\Stream; |
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use DigitalCz\DigiSign\Exception\RuntimeException; |
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use InvalidArgumentException; |
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final class FileStream |
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{ |
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/** @var resource */ |
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private $handle; |
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/** @var int|null */ |
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private $size; |
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/** @var string|null */ |
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private $filename; |
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/** |
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* @param resource $handle |
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*/ |
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public function __construct($handle, ?int $size = null, ?string $filename = null) |
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{ |
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if (!is_resource($handle)) { |
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throw new InvalidArgumentException('Invalid $handle, resource is expected'); |
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} |
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$this->handle = $handle; |
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$this->size = $size; |
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$this->filename = $filename; |
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} |
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public static function open(string $path): self |
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{ |
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$handle = @fopen($path, 'rb+'); |
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if ($handle === false) { |
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throw new RuntimeException('Failed to open file ' . $path); |
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} |
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$size = @filesize($path); |
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if ($size === false) { |
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throw new RuntimeException('Failed to get size of ' . $path); |
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} |
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return new self($handle, $size, basename($path)); |
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} |
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/** |
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* @param string $path Path to directory or file |
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*/ |
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public function save(string $path): void |
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{ |
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if (is_dir($path)) { |
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$path .= DIRECTORY_SEPARATOR . $this->getFilename(); |
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} |
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$handle = fopen($path, 'wb+'); |
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if ($handle === false) { |
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throw new RuntimeException('Failed to open/create file ' . $path); |
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} |
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$bytes = stream_copy_to_stream($this->getHandle(), $handle); |
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if ($bytes === false) { |
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throw new RuntimeException('Failed to write into ' . $path); |
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} |
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} |
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/** |
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* @return resource |
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*/ |
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public function getHandle() |
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{ |
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return $this->handle; |
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} |
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public function getSize(): ?int |
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{ |
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return $this->size; |
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} |
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public function setFilename(?string $filename): void |
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{ |
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$this->filename = $filename; |
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} |
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public function getFilename(): ?string |
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{ |
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return $this->filename; |
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} |
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} |
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digitalcz /
digisign
