<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
namespace Friendica\Capabilities;
use Friendica\Network\HTTPException\InternalServerErrorException;
+use Psr\Http\Message\ResponseInterface;
-interface ICanCreateResponses extends IRespondToRequests
+interface ICanCreateResponses
{
+ /**
+ * This constant helps to find the specific return type of responses inside the headers array
+ */
+ const X_HEADER = 'X-RESPONSE-TYPE';
+
+ const TYPE_HTML = 'html';
+ const TYPE_XML = 'xml';
+ const TYPE_JSON = 'json';
+ const TYPE_ATOM = 'atom';
+ const TYPE_RSS = 'rss';
+
+ const ALLOWED_TYPES = [
+ self::TYPE_HTML,
+ self::TYPE_XML,
+ self::TYPE_JSON,
+ self::TYPE_ATOM,
+ self::TYPE_RSS
+ ];
+
/**
* Adds a header entry to the module response
*
* @throws InternalServerErrorException
*/
public function setType(string $type, ?string $content_type = null): void;
+
+ /**
+ * Creates a PSR-7 compliant interface
+ * @see https://www.php-fig.org/psr/psr-7/
+ *
+ * @return ResponseInterface
+ */
+ public function generate(): ResponseInterface;
}