* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Config\Exception; /** * Exception class for when a resource cannot be loaded or imported. * * @author Ryan Weaver */ class LoaderLoadException extends \Exception { /** * @param mixed $resource The resource that could not be imported * @param string|null $sourceResource The original resource importing the new resource * @param int $code The error code * @param \Throwable|null $previous A previous exception * @param string|null $type The type of resource */ public function __construct(mixed $resource, ?string $sourceResource = null, int $code = 0, ?\Throwable $previous = null, ?string $type = null) { if (!\is_string($resource)) { try { $resource = json_encode($resource, \JSON_THROW_ON_ERROR); } catch (\JsonException) { $resource = sprintf('resource of type "%s"', get_debug_type($resource)); } } $message = ''; if ($previous) { // Include the previous exception, to help the user see what might be the underlying cause // Trim the trailing period of the previous message. We only want 1 period remove so no rtrim... if (str_ends_with($previous->getMessage(), '.')) { $trimmedMessage = substr($previous->getMessage(), 0, -1); $message .= sprintf('%s', $trimmedMessage).' in '; } else { $message .= sprintf('%s', $previous->getMessage()).' in '; } $message .= $resource.' '; // show tweaked trace to complete the human readable sentence if (null === $sourceResource) { $message .= sprintf('(which is loaded in resource "%s")', $resource); } else { $message .= sprintf('(which is being imported from "%s")', $sourceResource); } $message .= '.'; // if there's no previous message, present it the default way } elseif (null === $sourceResource) { $message .= sprintf('Cannot load resource "%s".', $resource); } else { $message .= sprintf('Cannot import resource "%s" from "%s".', $resource, $sourceResource); } // Is the resource located inside a bundle? if ('@' === $resource[0]) { $parts = explode(\DIRECTORY_SEPARATOR, $resource); $bundle = substr($parts[0], 1); $message .= sprintf(' Make sure the "%s" bundle is correctly registered and loaded in the application kernel class.', $bundle); $message .= sprintf(' If the bundle is registered, make sure the bundle path "%s" is not empty.', $resource); } elseif (null !== $type) { $message .= sprintf(' Make sure there is a loader supporting the "%s" type.', $type); } parent::__construct($message, $code, $previous); } /** * @return string */ protected function varToString(mixed $var) { if (\is_object($var)) { return sprintf('Object(%s)', $var::class); } if (\is_array($var)) { $a = []; foreach ($var as $k => $v) { $a[] = sprintf('%s => %s', $k, $this->varToString($v)); } return sprintf('Array(%s)', implode(', ', $a)); } if (\is_resource($var)) { return sprintf('Resource(%s)', get_resource_type($var)); } if (null === $var) { return 'null'; } if (false === $var) { return 'false'; } if (true === $var) { return 'true'; } return (string) $var; } }