src/RdfaLiteMicrodata/Domain/Vocabulary/VocabularyService.php
<?php
/**
* rdfa-lite-microdata
*
* @category Jkphl
* @package Jkphl\RdfaLiteMicrodata
* @subpackage Jkphl\RdfaLiteMicrodata\Domain
* @author Joschi Kuphal <joschi@tollwerk.de> / @jkphl
* @copyright Copyright © 2017 Joschi Kuphal <joschi@tollwerk.de> / @jkphl
* @license http://opensource.org/licenses/MIT The MIT License (MIT)
*/
/***********************************************************************************
* The MIT License (MIT)
*
* Copyright © 2017 Joschi Kuphal <joschi@kuphal.net> / @jkphl
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
***********************************************************************************/
namespace Jkphl\RdfaLiteMicrodata\Domain\Vocabulary;
use Jkphl\RdfaLiteMicrodata\Domain\Exceptions\RuntimeException;
/**
* Vocabulary service
*
* @package Jkphl\RdfaLiteMicrodata
* @subpackage Jkphl\RdfaLiteMicrodata\Domain
*/
class VocabularyService
{
/**
* Validate a vocabulary URI
*
* @param string $uri URI
* @return string Valid vocabulary URI
* @throws RuntimeException If the vocabulary URI is invalid
*/
public function validateVocabularyUri($uri)
{
$uri = trim($uri);
// If the vocabulary URI is invalid
if (!strlen($uri) || !filter_var($uri, FILTER_VALIDATE_URL)) {
throw new RuntimeException(
sprintf(RuntimeException::INVALID_VOCABULARY_URI_STR, $uri),
RuntimeException::INVALID_VOCABULARY_URI
);
}
return $uri;
}
}