* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Exception; /** * This exception is thrown when a non-existent parameter is used. * * @author Fabien Potencier */ class ParameterNotFoundException extends InvalidArgumentException { private $key; private $sourceId; private $sourceKey; private $alternatives; /** * Constructor. * * @param string $key The requested parameter key * @param string $sourceId The service id that references the non-existent parameter * @param string $sourceKey The parameter key that references the non-existent parameter * @param \Exception $previous The previous exception * @param string[] $alternatives Some parameter name alternatives */ public function __construct($key, $sourceId = null, $sourceKey = null, \Exception $previous = null, array $alternatives = array()) { $this->key = $key; $this->sourceId = $sourceId; $this->sourceKey = $sourceKey; $this->alternatives = $alternatives; parent::__construct('', 0, $previous); $this->updateRepr(); } public function updateRepr() { if (null !== $this->sourceId) { $this->message = sprintf('The service "%s" has a dependency on a non-existent parameter "%s".', $this->sourceId, $this->key); } elseif (null !== $this->sourceKey) { $this->message = sprintf('The parameter "%s" has a dependency on a non-existent parameter "%s".', $this->sourceKey, $this->key); } else { $this->message = sprintf('You have requested a non-existent parameter "%s".', $this->key); } if ($this->alternatives) { if (1 == count($this->alternatives)) { $this->message .= ' Did you mean this: "'; } else { $this->message .= ' Did you mean one of these: "'; } $this->message .= implode('", "', $this->alternatives).'"?'; } } public function getKey() { return $this->key; } public function getSourceId() { return $this->sourceId; } public function getSourceKey() { return $this->sourceKey; } public function setSourceId($sourceId) { $this->sourceId = $sourceId; $this->updateRepr(); } public function setSourceKey($sourceKey) { $this->sourceKey = $sourceKey; $this->updateRepr(); } }