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<?php |
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/* |
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* This file is part of the xAPI package. |
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* |
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* (c) Christian Flothmann <[email protected]> |
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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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namespace Xabbuh\XApi\Model; |
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/** |
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* An Experience API statement {@link https://github.com/adlnet/xAPI-Spec/blob/master/xAPI-Data.md#attachments attachment}. |
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* |
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* @author Christian Flothmann <[email protected]> |
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*/ |
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final class Attachment |
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{ |
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private $usageType; |
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private $contentType; |
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private $length; |
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private $sha2; |
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private $display; |
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private $description; |
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private $fileUrl; |
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private $content; |
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/** |
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* @param IRI $usageType The type of usage of this attachment |
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* @param string $contentType The content type of the attachment |
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* @param int $length The length of the attachment data in octets |
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* @param string $sha2 The SHA-2 hash of the attachment data |
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* @param LanguageMap $display Localized display name (title) |
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* @param LanguageMap|null $description Localized description |
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* @param IRL|null $fileUrl An IRL at which the attachment data can be retrieved |
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* @param string|null $content The raw attachment content, please note that the content is not validated against |
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* the given SHA-2 hash |
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*/ |
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public function __construct(IRI $usageType, $contentType, $length, $sha2, LanguageMap $display, LanguageMap $description = null, IRL $fileUrl = null, $content = null) |
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{ |
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if (null === $fileUrl && null === $content) { |
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throw new \InvalidArgumentException('An attachment cannot be created without a file URL or raw content data.'); |
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} |
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$this->usageType = $usageType; |
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$this->contentType = $contentType; |
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$this->length = $length; |
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$this->sha2 = $sha2; |
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$this->display = $display; |
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$this->description = $description; |
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$this->fileUrl = $fileUrl; |
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$this->content = $content; |
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} |
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public function getUsageType() |
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{ |
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return $this->usageType; |
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} |
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public function getContentType() |
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{ |
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return $this->contentType; |
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} |
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public function getLength() |
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{ |
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return $this->length; |
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} |
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public function getSha2() |
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{ |
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return $this->sha2; |
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} |
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public function getDisplay() |
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{ |
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return $this->display; |
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} |
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public function getDescription() |
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{ |
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return $this->description; |
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} |
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public function getFileUrl() |
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{ |
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return $this->fileUrl; |
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} |
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public function getContent() |
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{ |
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return $this->content; |
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} |
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public function equals(Attachment $attachment) |
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{ |
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if (!$this->usageType->equals($attachment->usageType)) { |
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return false; |
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} |
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if ($this->contentType !== $attachment->contentType) { |
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return false; |
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} |
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if ($this->length !== $attachment->length) { |
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return false; |
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} |
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if ($this->sha2 !== $attachment->sha2) { |
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return false; |
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} |
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if (!$this->display->equals($attachment->display)) { |
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return false; |
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} |
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if (null !== $this->description xor null !== $attachment->description) { |
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return false; |
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} |
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if (null !== $this->description && null !== $attachment->description && !$this->description->equals($attachment->description)) { |
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return false; |
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} |
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if (null !== $this->fileUrl xor null !== $attachment->fileUrl) { |
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return false; |
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} |
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if (null !== $this->fileUrl && null !== $attachment->fileUrl && !$this->fileUrl->equals($attachment->fileUrl)) { |
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return false; |
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} |
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return true; |
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} |
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} |
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