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<?php |
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/** |
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* PHP Client for DDN Web Object Scalar (WOS) API |
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* |
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* @package Wosclient |
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* @author Casey McLaughlin <[email protected]> |
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* @license http://opensource.org/licenses/MIT MIT |
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* @link https://github.com/caseyamcl/wosclient |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* ------------------------------------------------------------------ |
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*/ |
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namespace WosClient; |
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use Countable; |
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use Psr\Http\Message\ResponseInterface; |
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use Traversable; |
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use WosClient\Helper\ArrayToMetadataStringTrait; |
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/** |
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* Class WosObjectMetadata |
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* |
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* @author Casey McLaughlin <[email protected]> |
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*/ |
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class WosObjectMetadata implements \IteratorAggregate, WosObjectMetadataInterface |
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{ |
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use ArrayToMetadataStringTrait; |
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/** |
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* Unknown value |
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*/ |
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const UNKNOWN = null; |
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/** |
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* @var array |
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*/ |
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private $metadata; |
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/** |
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* @var int |
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*/ |
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private $objectSize; |
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/** |
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* WosObjectMetadata constructor. |
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* |
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* @param ResponseInterface $httpResponse |
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*/ |
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public function __construct(ResponseInterface $httpResponse) |
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{ |
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$this->metadata = json_decode('{' . $httpResponse->getHeaderLine('x-ddn-meta') . '}', true); |
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$this->objectSize = $httpResponse->hasHeader('x-ddn-length') |
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? (int) $httpResponse->getHeaderLine('x-ddn-length') |
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: self::UNKNOWN; |
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} |
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/** |
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* Return representation of the metadata as it would appear as a x-ddn-metadata value |
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* |
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* @return mixed |
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*/ |
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public function __toString() |
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{ |
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return $this->metadataToString($this->toArray()); |
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} |
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/** |
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* @param string $key |
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* @return mixed |
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*/ |
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public function get($key) |
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{ |
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return $this->offsetGet($key); |
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} |
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/** |
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* @param string $key |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return $this->offsetExists($key); |
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} |
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/** |
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* @return array|mixed[] |
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*/ |
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public function toArray() |
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{ |
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return $this->metadata; |
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} |
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/** |
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* Returns data length in BYTES if known, NULL otherwise |
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* |
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* @return int|null |
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*/ |
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public function getObjectSize() |
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{ |
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return $this->objectSize; |
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} |
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/** |
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* Whether a offset exists |
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* |
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* @link http://php.net/manual/en/arrayaccess.offsetexists.php |
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* @param mixed $offset <p> |
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* An offset to check for. |
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* </p> |
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* @return boolean true on success or false on failure. |
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* </p> |
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* <p> |
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* The return value will be casted to boolean if non-boolean was returned. |
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* @since 5.0.0 |
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*/ |
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public function offsetExists($offset) |
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{ |
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return array_key_exists($offset, $this->metadata); |
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} |
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/** |
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* Offset to retrieve |
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* |
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* @link http://php.net/manual/en/arrayaccess.offsetget.php |
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* @param mixed $offset <p> |
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* The offset to retrieve. |
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* </p> |
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* @return mixed Can return all value types. |
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* @since 5.0.0 |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->metadata[$offset]; |
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} |
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/** |
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* Offset to set |
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* |
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* @link http://php.net/manual/en/arrayaccess.offsetset.php |
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* @param mixed $offset <p> |
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* The offset to assign the value to. |
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* </p> |
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* @param mixed $value <p> |
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* The value to set. |
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* </p> |
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* @return void |
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* @since 5.0.0 |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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throw new \RuntimeException("Cannot set $offset for WosObjectMetadata. Metadata is immutable"); |
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} |
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/** |
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* Offset to unset |
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* |
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* @link http://php.net/manual/en/arrayaccess.offsetunset.php |
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* @param mixed $offset <p> |
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* The offset to unset. |
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* </p> |
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* @return void |
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* @since 5.0.0 |
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*/ |
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public function offsetUnset($offset) |
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{ |
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throw new \RuntimeException("Cannot unset $offset for WosObjectMetadata. Metadata is immutable"); |
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} |
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/** |
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* Retrieve an external iterator |
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* |
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* @link http://php.net/manual/en/iteratoraggregate.getiterator.php |
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* @return Traversable An instance of an object implementing <b>Iterator</b> or |
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* <b>Traversable</b> |
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* @since 5.0.0 |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->metadata); |
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} |
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/** |
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* Count elements of an object |
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* |
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* @link http://php.net/manual/en/countable.count.php |
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* @return int The custom count as an integer. |
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* </p> |
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* <p> |
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* The return value is cast to an integer. |
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* @since 5.1.0 |
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*/ |
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public function count() |
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{ |
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return count($this->metadata); |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..