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Diffstat (limited to 'apps/files_external/3rdparty/php-opencloud/lib/OpenCloud/ObjectStore/Resource/AbstractStorageObject.php')
| -rw-r--r-- | apps/files_external/3rdparty/php-opencloud/lib/OpenCloud/ObjectStore/Resource/AbstractStorageObject.php | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/apps/files_external/3rdparty/php-opencloud/lib/OpenCloud/ObjectStore/Resource/AbstractStorageObject.php b/apps/files_external/3rdparty/php-opencloud/lib/OpenCloud/ObjectStore/Resource/AbstractStorageObject.php new file mode 100644 index 00000000000..c6799b22b7e --- /dev/null +++ b/apps/files_external/3rdparty/php-opencloud/lib/OpenCloud/ObjectStore/Resource/AbstractStorageObject.php @@ -0,0 +1,170 @@ +<?php +/** + * PHP OpenCloud library. + * + * @copyright Copyright 2013 Rackspace US, Inc. See COPYING for licensing information. + * @license https://www.apache.org/licenses/LICENSE-2.0 Apache 2.0 + * @version 1.6.0 + * @author Glen Campbell <glen.campbell@rackspace.com> + * @author Jamie Hannaford <jamie.hannaford@rackspace.com> + */ + +namespace OpenCloud\ObjectStore\Resource; + +use OpenCloud\Common\Base; +use OpenCloud\Common\Metadata; +use OpenCloud\Common\Exceptions\NameError; +use OpenCloud\Common\Exceptions\MetadataPrefixError; +use OpenCloud\Common\Request\Response\Http; + +/** + * Abstract base class which implements shared functionality of ObjectStore + * resources. Provides support, for example, for metadata-handling and other + * features that are common to the ObjectStore components. + */ +abstract class AbstractStorageObject extends Base +{ + + const ACCOUNT_META_PREFIX = 'X-Account-'; + const CONTAINER_META_PREFIX = 'X-Container-Meta-'; + const OBJECT_META_PREFIX = 'X-Object-Meta-'; + const CDNCONTAINER_META_PREFIX = 'X-Cdn-'; + + /** + * Metadata belonging to a resource. + * + * @var OpenCloud\Common\Metadata + */ + public $metadata; + + /** + * Initializes the metadata component + */ + public function __construct() + { + $this->metadata = new Metadata; + } + + /** + * Given an Http response object, converts the appropriate headers + * to metadata + * + * @param OpenCloud\Common\Request\Response\Http + * @return void + */ + public function getMetadata(Http $response) + { + $this->metadata = new Metadata; + $this->metadata->setArray($response->headers(), $this->prefix()); + } + + /** + * If object has metadata, return an associative array of headers. + * + * For example, if a DataObject has a metadata item named 'FOO', + * then this would return array('X-Object-Meta-FOO'=>$value); + * + * @return array + */ + public function metadataHeaders() + { + $headers = array(); + + // only build if we have metadata + if (is_object($this->metadata)) { + foreach ($this->metadata as $key => $value) { + $headers[$this->prefix() . $key] = $value; + } + } + + return $headers; + } + + /** + * Returns the displayable name of the object + * + * Can be overridden by child objects; *must* be overridden by child + * objects if the object does not have a `name` attribute defined. + * + * @api + * @throws NameError if attribute 'name' is not defined + */ + public function name() + { + if (property_exists($this, 'name')) { + return $this->name; + } else { + throw new NameError(sprintf( + 'Name attribute does not exist for [%s]', + get_class($this) + )); + } + } + + /** + * Override parent method. + * + * @return null + */ + public static function jsonName() + { + return null; + } + + /** + * Override parent method. + * + * @return null + */ + public static function jsonCollectionName() + { + return null; + } + + /** + * Override parent method. + * + * @return null + */ + public static function jsonCollectionElement() + { + return null; + } + + /** + * Returns the proper prefix for the specified type of object + * + * @param string $type The type of object; derived from `get_class()` if not + * specified. + * @codeCoverageIgnore + */ + private function prefix($type = null) + { + if ($type === null) { + $parts = preg_split('/\\\/', get_class($this)); + $type = $parts[count($parts)-1]; + } + + switch($type) { + case 'Account': + $prefix = self::ACCOUNT_META_PREFIX; + break; + case 'CDNContainer': + $prefix = self::CDNCONTAINER_META_PREFIX; + break; + case 'Container': + $prefix = self::CONTAINER_META_PREFIX; + break; + case 'DataObject': + $prefix = self::OBJECT_META_PREFIX; + break; + default: + throw new MetadataPrefixError(sprintf( + 'Unrecognized metadata type [%s]', + $type + )); + } + + return $prefix; + } +} |