102 lines
2.5 KiB
PHP
102 lines
2.5 KiB
PHP
<?php
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/**
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* Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License").
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* You may not use this file except in compliance with the License.
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* A copy of the License is located at
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*
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* http://aws.amazon.com/apache2.0
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*
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* or in the "license" file accompanying this file. This file is distributed
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* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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namespace Aws\Common\Model\MultipartUpload;
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use Aws\Common\Exception\InvalidArgumentException;
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/**
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* An object that encapsulates the data for an upload part
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*/
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abstract class AbstractUploadPart implements UploadPartInterface
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{
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/**
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* @var array A map of external array keys to internal property names
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*/
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protected static $keyMap = array();
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/**
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* @var int The number of the upload part representing its order in the overall upload
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*/
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protected $partNumber;
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/**
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* {@inheritdoc}
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*/
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public static function fromArray($data)
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{
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$part = new static();
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$part->loadData($data);
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return $part;
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}
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/**
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* {@inheritdoc}
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*/
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public function getPartNumber()
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{
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return $this->partNumber;
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}
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/**
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* {@inheritdoc}
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*/
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public function toArray()
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{
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$array = array();
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foreach (static::$keyMap as $key => $property) {
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$array[$key] = $this->{$property};
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}
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return $array;
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}
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/**
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* {@inheritdoc}
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*/
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public function serialize()
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{
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return serialize($this->toArray());
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}
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/**
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* {@inheritdoc}
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*/
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public function unserialize($serialized)
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{
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$this->loadData(unserialize($serialized));
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}
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/**
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* Loads an array of data into the upload part by extracting only the needed keys
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*
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* @param array|\Traversable $data Data to load into the upload part value object
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*
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* @throws InvalidArgumentException if a required key is missing
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*/
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protected function loadData($data)
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{
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foreach (static::$keyMap as $key => $property) {
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if (isset($data[$key])) {
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$this->{$property} = $data[$key];
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} else {
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throw new InvalidArgumentException("A required key [$key] was missing from the upload part.");
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}
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}
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}
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}
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