Viewing file:  StringStream.php (1.35 KB) -rw-r--r--
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<?php
namespace AsyncAws\Core\Stream;
use AsyncAws\Core\Exception\InvalidArgument;
/**
* Convert a string into a Stream.
*
* @author Jérémy Derussé <jeremy@derusse.com>
*
* @internal
*/
final class StringStream implements RequestStream
{
private $content;
private $lengthCache;
private function __construct(string $content)
{
$this->content = $content;
}
public static function create($content): StringStream
{
if ($content instanceof self) {
return $content;
}
if ($content instanceof RequestStream) {
return new self($content->stringify());
}
if (\is_string($content)) {
return new self($content);
}
throw new InvalidArgument(sprintf('Expect content to be a "%s" or as "string". "%s" given.', RequestStream::class, \is_object($content) ? \get_class($content) : \gettype($content)));
}
public function length(): int
{
return $this->lengthCache ?? $this->lengthCache = \strlen($this->content);
}
public function stringify(): string
{
return $this->content;
}
public function getIterator(): \Traversable
{
yield $this->content;
}
public function hash(string $algo = 'sha256', bool $raw = false): string
{
return hash($algo, $this->content, $raw);
}
}
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