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<?php |
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/** |
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* Bright Nucleus Config Component. |
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* |
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* @package BrightNucleus\Config |
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* @author Alain Schlesser <[email protected]> |
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* @license MIT |
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* @link http://www.brightnucleus.com/ |
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* @copyright 2016-2017 Alain Schlesser, Bright Nucleus |
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*/ |
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namespace BrightNucleus\Config\Loader; |
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use BrightNucleus\Config\Exception\FailedToLoadConfigException; |
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use Exception; |
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/** |
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* Class AbstractLoader. |
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* |
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* @since 0.4.0 |
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* |
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* @package BrightNucleus\Config\Loader |
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* @author Alain Schlesser <[email protected]> |
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*/ |
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abstract class AbstractLoader implements LoaderInterface |
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{ |
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/** |
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* Load the configuration from an URI. |
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* |
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* @since 0.4.0 |
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* |
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* @param string $uri URI of the resource to load. |
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* |
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* @return array|null Data contained within the resource. Null if no data could be loaded/parsed. |
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* @throws FailedToLoadConfigException If the configuration could not be loaded. |
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*/ |
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public function load($uri) |
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{ |
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try { |
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$uri = $this->validateUri($uri); |
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$data = $this->loadUri($uri); |
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return $this->parseData($data); |
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} catch (Exception $exception) { |
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throw new FailedToLoadConfigException( |
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sprintf( |
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_('Could not load resource located at "%1$s". Reason: "%2$s".'), |
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$uri, |
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$exception->getMessage() |
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), |
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$exception->getCode(), |
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$exception |
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); |
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} |
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} |
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/** |
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* Validate and return the URI. |
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* |
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* @since 0.4.0 |
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* |
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* @param string $uri URI of the resource to load. |
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* |
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* @return string Validated URI. |
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*/ |
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protected function validateUri($uri) |
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{ |
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return $uri; |
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} |
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/** |
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* Parse the raw data and return it in parsed form. |
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* |
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* @since 0.4.0 |
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* |
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* @param array|null $data Raw data to be parsed. |
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* |
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* @return array|null Data in parsed form. Null if no parsable data found. |
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*/ |
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protected function parseData($data) |
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{ |
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return $data; |
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} |
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/** |
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* Load the contents of an resource identified by an URI. |
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* |
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* @since 0.4.0 |
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* |
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* @param string $uri URI of the resource. |
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* |
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* @return array|null Raw data loaded from the resource. Null if no data found. |
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*/ |
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abstract protected function loadUri($uri); |
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} |
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brightnucleus /
config
