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<?php
/**
* Copyright 2012-2014 Rackspace US, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace OpenCloud\ObjectStore\Upload;
use Guzzle\Http\Message\Response;
use Guzzle\Http\Url;
use OpenCloud\Common\Constants\Header;
/**
* Represents an individual part of the EntityBody being uploaded.
*
* @codeCoverageIgnore
*/
class TransferPart
{
/**
* @var int Its position in the upload queue.
*/
protected $partNumber;
/**
* @var string This upload's ETag checksum.
*/
protected $eTag;
/**
* @var int The length of this upload in bytes.
*/
protected $contentLength;
/**
* @var string The API path of this upload.
*/
protected $path;
/**
* @param int $contentLength
* @return $this
*/
public function setContentLength($contentLength)
{
$this->contentLength = $contentLength;
return $this;
}
/**
* @return int
*/
public function getContentLength()
{
return $this->contentLength;
}
/**
* @param string $etag
* @return $this
*/
public function setETag($etag)
{
$this->etag = $etag;
return $this;
}
/**
* @return string
*/
public function getETag()
{
return $this->etag;
}
/**
* @param int $partNumber
* @return $this
*/
public function setPartNumber($partNumber)
{
$this->partNumber = $partNumber;
return $this;
}
/**
* @return int
*/
public function getPartNumber()
{
return $this->partNumber;
}
/**
* @param $path
* @return $this
*/
public function setPath($path)
{
$this->path = $path;
return $this;
}
/**
* @return string
*/
public function getPath()
{
return $this->path;
}
/**
* Create the request needed for this upload to the API.
*
* @param EntityBody $part The entity body being uploaded
* @param int $number Its number/position, needed for name
* @param OpenStack $client Client responsible for issuing requests
* @param array $options Set by the Transfer object
* @return OpenCloud\Common\Http\Request
*/
public static function createRequest($part, $number, $client, $options)
{
$name = sprintf('%s/%s/%d', $options['objectName'], $options['prefix'], $number);
$url = clone $options['containerUrl'];
$url->addPath($name);
$headers = array(
Header::CONTENT_LENGTH => $part->getContentLength(),
Header::CONTENT_TYPE => $part->getContentType()
);
if ($options['doPartChecksum'] === true) {
$headers['ETag'] = $part->getContentMd5();
}
$request = $client->put($url, $headers, $part);
if (isset($options['progress'])) {
$request->getCurlOptions()->add('progress', true);
if (is_callable($options['progress'])) {
$request->getCurlOptions()->add('progressCallback', $options['progress']);
}
}
return $request;
}
/**
* Construct a TransferPart from a HTTP response delivered by the API.
*
* @param Response $response
* @param int $partNumber
* @return TransferPart
*/
public static function fromResponse(Response $response, $partNumber = 1)
{
$responseUri = Url::factory($response->getEffectiveUrl());
$object = new self();
$object->setPartNumber($partNumber)
->setContentLength($response->getHeader(Header::CONTENT_LENGTH))
->setETag($response->getHeader(Header::ETAG))
->setPath($responseUri->getPath());
return $object;
}
}