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<?php |
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namespace kalanis\kw_storage\Storage\Target; |
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use kalanis\kw_storage\Interfaces; |
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use kalanis\kw_storage\StorageException; |
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use kalanis\kw_storage\Traits\TLang; |
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use ReflectionException; |
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/** |
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* Class Factory |
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* @package kalanis\kw_storage\Storage\Target |
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* Simple example of storage factory |
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*/ |
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class Factory |
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{ |
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use TLang; |
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/** @var array<string, class-string<Interfaces\Target\ITarget>|null> */ |
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protected static array $pairs = [ |
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'mem' => Memory::class, |
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'memory' => Memory::class, |
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'vol' => Volume::class, |
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'volume' => Volume::class, |
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'volume::flat' => VolumeTargetFlat::class, |
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'local' => Volume::class, |
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'local::flat' => VolumeTargetFlat::class, |
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'drive' => Volume::class, |
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'drive::flat' => VolumeTargetFlat::class, |
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'none' => null, |
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]; |
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public function __construct(?Interfaces\IStTranslations $stLang = null) |
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{ |
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$this->setStLang($stLang); |
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} |
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/** |
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* @param object|array<string, string|object>|string|null $params |
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* @throws StorageException |
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* @return Interfaces\Target\ITarget|null storage adapter or empty for no storage set |
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*/ |
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public function getStorage($params): ?Interfaces\Target\ITarget |
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{ |
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if ($params instanceof Interfaces\Target\ITarget) { |
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return $params; |
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} |
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try { |
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if (is_array($params)) { |
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if (isset($params['storage'])) { |
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if (is_object($params['storage'])) { |
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if ($params['storage'] instanceof Interfaces\Target\ITarget) { |
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return $params['storage']; |
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} else { |
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return null; |
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} |
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} |
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$lang = (isset($params['lang']) && is_object($params['lang']) && ($params['lang'] instanceof Interfaces\IStTranslations)) |
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? $params['lang'] |
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: $this->getStLang(); |
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return $this->fromPairs(strval($params['storage']), $lang); |
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} |
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} |
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if (is_string($params)) { |
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return $this->fromPairs(strval($params), $this->getStLang()); |
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} |
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return null; |
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} catch (ReflectionException $ex) { |
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throw new StorageException($ex->getMessage(), $ex->getCode(), $ex); |
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} |
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} |
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/** |
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* @param string $name |
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* @param Interfaces\IStTranslations|null $lang |
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* @throws ReflectionException |
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* @return Interfaces\Target\ITarget|null |
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*/ |
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protected function fromPairs(string $name, ?Interfaces\IStTranslations $lang = null): ?Interfaces\Target\ITarget |
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{ |
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if (isset(static::$pairs[$name])) { |
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$class = static::$pairs[$name]; |
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if (is_string($class)) { |
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$reflection = new \ReflectionClass($class); |
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if ($reflection->isInstantiable()) { |
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$obj = $reflection->newInstance($lang); |
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if ($obj instanceof Interfaces\Target\ITarget) { |
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return $obj; |
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} |
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} |
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} |
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} |
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return null; |
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} |
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} |
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alex-kalanis /
kw_storage
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