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<?php |
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/** |
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* This file is part of the Carpediem.Errors library |
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* |
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* @license http://opensource.org/licenses/MIT |
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* @link https://github.com/carpediem/errors/ |
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* @version 0.2.0 |
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* @package Carpediem.errors |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Carpediem\Errors; |
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use InvalidArgumentException; |
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/** |
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* A class to convert Error into Exception |
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* |
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* <?php |
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* |
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* use Carpediem\Errors\CaptureError; |
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* use Carpediem\Errors\ErrorToException; |
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* |
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* $touch = new ErrorToException(new CaptureError('touch', E_WARNING), 'RuntimeException'); |
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* try { |
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* $touch('/usr/bin/foo.bar'); |
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* } catch (RuntimeException $e) { |
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* echo $e->getMessage(); |
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* } |
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*/ |
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class ErrorToException |
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{ |
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/** |
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* @var CaptureErrorInterface |
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*/ |
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protected $callable; |
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/** |
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* Exception class to instantiate |
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* |
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* @var string |
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*/ |
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protected $exception_class_name; |
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/** |
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* A new instance |
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* |
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* @param CaptureErrorInterface $callable |
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* @param string $exception_class_name The exception to be thrown |
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*/ |
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public function __construct(CaptureErrorInterface $callable, $exception_class_name = 'RuntimeException') |
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{ |
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$this->callable = $callable; |
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$this->setExceptionClassName($exception_class_name); |
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} |
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/** |
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* Set the Exception class |
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* |
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* @param string $className error reporting level |
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* |
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* @throws InvalidArgumentException If the class is not a throwable object |
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*/ |
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public function setExceptionClassName($className) |
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{ |
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if (!$this->isThrowable($className) && !$this->isException($className)) { |
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throw new InvalidArgumentException(sprintf( |
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'The class name provided `%s` is neither a Throwable nor an Exception object', |
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$className |
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)); |
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} |
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$this->exception_class_name = $className; |
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} |
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/** |
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* Is the ClassName a Throwable Object (PHP7+) |
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* |
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* @param string $className |
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* |
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* @return bool |
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*/ |
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protected function isThrowable($className) |
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{ |
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return interface_exists('Throwable') && is_subclass_of($className, 'Throwable'); |
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} |
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/** |
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* Is the ClassName an Exception Object (PHP5+) |
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* |
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* @param string $className |
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* |
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* @return bool |
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*/ |
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protected function isException($className) |
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{ |
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return $className === 'Exception' || is_subclass_of($className, 'Exception'); |
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} |
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/** |
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* Get the current Error Reporting Level |
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* |
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* @return string |
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*/ |
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public function getExceptionClassName() |
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{ |
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return $this->exception_class_name; |
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} |
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/** |
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* Process the callable |
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* |
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* @param mixed ...$args the arguments associated with the callable |
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* |
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* @return mixed |
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*/ |
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public function __invoke() |
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{ |
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$result = call_user_func_array($this->callable, func_get_args()); |
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$errorMessage = $this->callable->getLastErrorMessage(); |
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if (!empty($errorMessage)) { |
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throw new $this->exception_class_name( |
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$errorMessage, |
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$this->callable->getLastErrorCode() |
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); |
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} |
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return $result; |
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} |
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} |
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carpediem /
errors
