NullWriter.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\MetaData\OERExposer\OAIPMH\Responses;
 
use ILIAS\MetaData\OERExposer\OAIPMH\Responses\Error;
use ILIAS\MetaData\OERExposer\OAIPMH\Requests\RequestInterface;
use ILIAS\Data\URI;
 
class NullWriter implements WriterInterface
{
    public function writeError(Error $error, string $message): \DOMDocument
    {
        return new \DOMDocument();
    }
 
    public function writeIdentifyElements(
        string $repository_name,
        URI $base_url,
        \DateTimeImmutable $earliest_datestamp,
        string $first_admin_email,
        string ...$further_admin_emails
    ): \Generator {
        yield from [];
    }
 
    public function writeMetadataFormat(): \DOMDocument
    {
        return new \DOMDocument();
    }
 
    public function writeRecordHeader(
        string $identifier,
        \DateTimeImmutable $datestamp
    ): \DOMDocument {
        return new \DOMDocument();
    }
 
    public function writeRecord(
        string $identifier,
        \DateTimeImmutable $datestamp,
        \DOMDocument $metadata
    ): \DOMDocument {
        return new \DOMDocument();
    }
 
    public function writeSet(
        string $spec,
        string $name
    ): \DOMDocument {
        return new \DOMDocument();
    }
 
 
    public function writeResumptionToken(
        string $token,
        int $complete_list_size,
        int $cursor
    ): \DOMDocument {
        return new \DOMDocument();
    }
 
    public function writeResponse(
        RequestInterface $request,
        \DOMDocument ...$contents
    ): \DOMDocument {
        return new \DOMDocument();
    }
 
    public function writeErrorResponse(
        RequestInterface $request,
        \DOMDocument ...$errors
    ): \DOMDocument {
        return new \DOMDocument();
    }
}