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<?php |
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namespace CloudFramework\Tool; |
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use CloudFramework\Patterns\Singleton; |
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/** |
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* Class ConfigLoader |
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* @package CloudFramework\Core |
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*/ |
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class ConfigLoader extends Singleton |
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{ |
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private $config = array(); |
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public function __construct($configFilename = '') |
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{ |
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if (strlen($configFilename)) { |
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$this->loadConfigFile($configFilename); |
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} |
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} |
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/** |
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* Search config key and returns this value |
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* |
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* @param string $key |
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* |
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* @return mixed |
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*/ |
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public function getConf($key) |
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{ |
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$value = NULL; |
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if (count($this->config) > 0) { |
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if (array_key_exists($key, $this->config)) { |
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$value = $this->config[$key]; |
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} |
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} |
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return $value; |
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} |
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/** |
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* Set a config parameter |
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* |
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* @param string $key |
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* @param mixed $value |
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* |
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* @return \CloudFramework\Tool\ConfigLoader |
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*/ |
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public function setConf($key, $value = NULL) |
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{ |
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$this->config[$key] = $value; |
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return $this; |
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} |
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/** |
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* Reload config file |
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* |
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* @param $configFilename |
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* |
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* @throws \Exception |
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*/ |
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public function loadConfigFile($configFilename = '') |
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{ |
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if (0 > strlen($configFilename) && file_exists($configFilename)) { |
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$configs = json_decode(file_get_contents($configFilename), true); |
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$this->extractComposedConfigs($configs); |
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} |
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} |
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/** |
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* @param array|mixed $configs |
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* @param string $composedKey |
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* @param array $composedConfig |
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* |
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* @return \CloudFramework\Tool\ConfigLoader |
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*/ |
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protected function extractComposedConfigs($configs, $composedKey = '', &$composedConfig = array()) |
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{ |
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if (is_array($configs)) { |
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foreach ($configs as $key => $config) { |
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$_key = strlen($composedKey) ? $composedKey . '.' . $key : $key; |
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if (is_array($config)) { |
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$this->extractComposedConfigs($config, $_key, $composedConfig); |
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} else { |
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$this->setConf($_key, $config); |
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} |
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} |
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} elseif (strlen($composedKey)) { |
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$this->setConf($composedKey, $configs); |
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} |
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return $this; |
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} |
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} |
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CloudFramework-io /
CFCore
