www.gusucode.com > CKFinder 文件管理器PHP版 v3.0源码程序 > code/core/connector/php/vendor/aws/aws-sdk-php/src/Aws/S3/Model/MultipartUpload/UploadBuilder.php
<?php
/**
* Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 Aws\S3\Model\MultipartUpload;
use Aws\Common\Enum\UaString as Ua;
use Aws\Common\Exception\InvalidArgumentException;
use Aws\Common\Model\MultipartUpload\AbstractUploadBuilder;
use Aws\S3\Model\Acp;
/**
* Easily create a multipart uploader used to quickly and reliably upload a
* large file or data stream to Amazon S3 using multipart uploads
*/
class UploadBuilder extends AbstractUploadBuilder
{
/**
* @var int Concurrency level to transfer the parts
*/
protected $concurrency = 1;
/**
* @var int Minimum part size to upload
*/
protected $minPartSize = AbstractTransfer::MIN_PART_SIZE;
/**
* @var string MD5 hash of the entire body to transfer
*/
protected $md5;
/**
* @var bool Whether or not to calculate the entire MD5 hash of the object
*/
protected $calculateEntireMd5 = false;
/**
* @var bool Whether or not to calculate MD5 hash of each part
*/
protected $calculatePartMd5 = true;
/**
* @var array Array of initiate command options
*/
protected $commandOptions = array();
/**
* @var array Array of transfer options
*/
protected $transferOptions = array();
/**
* Set the bucket to upload the object to
*
* @param string $bucket Name of the bucket
*
* @return $this
*/
public function setBucket($bucket)
{
return $this->setOption('Bucket', $bucket);
}
/**
* Set the key of the object
*
* @param string $key Key of the object to upload
*
* @return $this
*/
public function setKey($key)
{
return $this->setOption('Key', $key);
}
/**
* Set the minimum acceptable part size
*
* @param int $minSize Minimum acceptable part size in bytes
*
* @return $this
*/
public function setMinPartSize($minSize)
{
$this->minPartSize = (int) max((int) $minSize, AbstractTransfer::MIN_PART_SIZE);
return $this;
}
/**
* Set the concurrency level to use when uploading parts. This affects how
* many parts are uploaded in parallel. You must use a local file as your
* data source when using a concurrency greater than 1
*
* @param int $concurrency Concurrency level
*
* @return $this
*/
public function setConcurrency($concurrency)
{
$this->concurrency = $concurrency;
return $this;
}
/**
* Explicitly set the MD5 hash of the entire body
*
* @param string $md5 MD5 hash of the entire body
*
* @return $this
*/
public function setMd5($md5)
{
$this->md5 = $md5;
return $this;
}
/**
* Set to true to have the builder calculate the MD5 hash of the entire data
* source before initiating a multipart upload (this could be an expensive
* operation). This setting can ony be used with seekable data sources.
*
* @param bool $calculateMd5 Set to true to calculate the MD5 hash of the body
*
* @return $this
*/
public function calculateMd5($calculateMd5)
{
$this->calculateEntireMd5 = (bool) $calculateMd5;
return $this;
}
/**
* Specify whether or not to calculate the MD5 hash of each uploaded part.
* This setting defaults to true.
*
* @param bool $usePartMd5 Set to true to calculate the MD5 has of each part
*
* @return $this
*/
public function calculatePartMd5($usePartMd5)
{
$this->calculatePartMd5 = (bool) $usePartMd5;
return $this;
}
/**
* Set the ACP to use on the object
*
* @param Acp $acp ACP to set on the object
*
* @return $this
*/
public function setAcp(Acp $acp)
{
return $this->setOption('ACP', $acp);
}
/**
* Set an option to pass to the initial CreateMultipartUpload operation
*
* @param string $name Option name
* @param string $value Option value
*
* @return $this
*/
public function setOption($name, $value)
{
$this->commandOptions[$name] = $value;
return $this;
}
/**
* Add an array of options to pass to the initial CreateMultipartUpload operation
*
* @param array $options Array of CreateMultipartUpload operation parameters
*
* @return $this
*/
public function addOptions(array $options)
{
$this->commandOptions = array_replace($this->commandOptions, $options);
return $this;
}
/**
* Set an array of transfer options to apply to the upload transfer object
*
* @param array $options Transfer options
*
* @return $this
*/
public function setTransferOptions(array $options)
{
$this->transferOptions = $options;
return $this;
}
/**
* {@inheritdoc}
* @throws InvalidArgumentException when attempting to resume a transfer using a non-seekable stream
* @throws InvalidArgumentException when missing required properties (bucket, key, client, source)
*/
public function build()
{
if ($this->state instanceof TransferState) {
$this->commandOptions = array_replace($this->commandOptions, $this->state->getUploadId()->toParams());
}
if (!isset($this->commandOptions['Bucket']) || !isset($this->commandOptions['Key'])
|| !$this->client || !$this->source
) {
throw new InvalidArgumentException('You must specify a Bucket, Key, client, and source.');
}
if ($this->state && !$this->source->isSeekable()) {
throw new InvalidArgumentException('You cannot resume a transfer using a non-seekable source.');
}
// If no state was set, then create one by initiating or loading a multipart upload
if (is_string($this->state)) {
$this->state = TransferState::fromUploadId($this->client, UploadId::fromParams(array(
'Bucket' => $this->commandOptions['Bucket'],
'Key' => $this->commandOptions['Key'],
'UploadId' => $this->state
)));
} elseif (!$this->state) {
$this->state = $this->initiateMultipartUpload();
}
$options = array_replace(array(
'min_part_size' => $this->minPartSize,
'part_md5' => (bool) $this->calculatePartMd5,
'concurrency' => $this->concurrency
), $this->transferOptions);
return $this->concurrency > 1
? new ParallelTransfer($this->client, $this->state, $this->source, $options)
: new SerialTransfer($this->client, $this->state, $this->source, $options);
}
/**
* {@inheritdoc}
*/
protected function initiateMultipartUpload()
{
// Determine Content-Type
if (!isset($this->commandOptions['ContentType'])) {
if ($mimeType = $this->source->getContentType()) {
$this->commandOptions['ContentType'] = $mimeType;
}
}
$params = array_replace(array(
Ua::OPTION => Ua::MULTIPART_UPLOAD,
'command.headers' => $this->headers,
'Metadata' => array()
), $this->commandOptions);
// Calculate the MD5 hash if none was set and it is asked of the builder
if ($this->calculateEntireMd5) {
$this->md5 = $this->source->getContentMd5();
}
// If an MD5 is specified, then add it to the custom headers of the request
// so that it will be returned when downloading the object from Amazon S3
if ($this->md5) {
$params['Metadata']['x-amz-Content-MD5'] = $this->md5;
}
$result = $this->client->getCommand('CreateMultipartUpload', $params)->execute();
// Create a new state based on the initiated upload
$params['UploadId'] = $result['UploadId'];
return new TransferState(UploadId::fromParams($params));
}
}