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<?php |
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declare(strict_types=1); |
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namespace Dandelion\Configuration; |
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use Dandelion\Exception\InvalidTypeException; |
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use Dandelion\Exception\IOException; |
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use Dandelion\Filesystem\FilesystemInterface; |
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use Symfony\Component\Serializer\SerializerInterface; |
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use function is_object; |
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class ConfigurationLoader implements ConfigurationLoaderInterface |
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{ |
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/** |
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* @var \Dandelion\Configuration\Configuration|null |
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*/ |
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protected $configuration; |
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/** |
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* @var string|null |
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*/ |
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protected $rawConfiguration; |
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/** |
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* @var \Dandelion\Configuration\ConfigurationFinderInterface |
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*/ |
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protected $configurationFinder; |
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/** |
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* @var \Dandelion\Filesystem\FilesystemInterface |
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*/ |
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protected $filesystem; |
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/** |
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* @var \Symfony\Component\Serializer\SerializerInterface |
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*/ |
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protected $serializer; |
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/** |
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* @param \Dandelion\Configuration\ConfigurationFinderInterface $configurationFinder |
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* @param \Dandelion\Filesystem\FilesystemInterface $filesystem |
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* @param \Symfony\Component\Serializer\SerializerInterface $serializer |
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*/ |
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public function __construct( |
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ConfigurationFinderInterface $configurationFinder, |
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FilesystemInterface $filesystem, |
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SerializerInterface $serializer |
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) { |
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$this->configurationFinder = $configurationFinder; |
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$this->filesystem = $filesystem; |
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$this->serializer = $serializer; |
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} |
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/** |
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* @return \Dandelion\Configuration\Configuration |
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* |
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* @throws \Dandelion\Exception\InvalidTypeException |
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* @throws \Dandelion\Exception\IOException |
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*/ |
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public function load(): Configuration |
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{ |
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if ($this->configuration !== null) { |
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return $this->configuration; |
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} |
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$configurationFileContent = $this->loadRaw(); |
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$configuration = $this->serializer->deserialize( |
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$configurationFileContent, |
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Configuration::class, |
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'json' |
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); |
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if (!is_object($configuration) || !($configuration instanceof Configuration)) { |
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throw new InvalidTypeException('Invalid type of deserialized data.'); |
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} |
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$this->configuration = $configuration; |
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return $this->configuration; |
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} |
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/** |
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* @return string |
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* |
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* @throws \Dandelion\Exception\IOException |
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*/ |
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public function loadRaw(): string |
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{ |
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if ($this->rawConfiguration !== null) { |
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return $this->rawConfiguration; |
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} |
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$configurationFile = $this->configurationFinder->find(); |
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$realPathToConfigurationFile = $configurationFile->getRealPath(); |
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if ($realPathToConfigurationFile === false) { |
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throw new IOException('Configuration file does not exists.'); |
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} |
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$this->rawConfiguration = $this->filesystem->readFile($realPathToConfigurationFile); |
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return $this->rawConfiguration; |
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} |
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} |
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dandelionphp /
dandelion
