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<?php
require_once('config/Config_Db.php');
class Config {
/**
* static pointer to instances
* @var array(Config)
*/
private static $instances = array();
/**
* can handle several instances, distinct by instance name string
* @var string
*/
private $instanceName = '';
/**
* config object
* @var Config_Db
*/
private $config = null;
/**
* make a new Config_Db
*
* by using the $where statement you can limit the data that is fetched from db, i.e. only get config for zone $id
*
* @param string $instanceName
* @param Zend_Db_Adapter $db
* @param string $where
*/
protected function __construct($instanceName = null, $db = null, $where = null) {
if ($instanceName === null)
throw new Exception(__METHOD__ . ': expected an instance name, got none');
$config = new Zend_Config_Ini(APPLICATION_PATH . '/configs/application.ini', APPLICATION_ENV);
$this->instanceName = $instanceName;
if ($db === null)
$db = Zend_Db::factory($config->dnssecme->db->config->pdo, $config->dnssecme->db->config);
$this->config = new Config_Db($db, $instanceName, $where, true);
}
/**
* get already existing instance, make new instance or throw an exception
* @param string $instanceName
* @param Zend_Db_Adapter $db
* @param string $where
*/
public static function getInstance($instanceName, $db = null, $where = null) {
if ($instanceName === null)
throw new Exception(__METHOD__ . ': expected an instance name, got none');
// no caching if presumeably volatile data is requested
if ($db !== null && $where !== null) {
return new Config($instanceName, $db, $where);
}
if (!array_key_exists($instanceName, self::$instances)) {
self::$instances[$instanceName] = new Config($instanceName, $db, $where);
}
return self::$instances[$instanceName];
}
/**
* magic method that dispatches all unrecognized method calls to the config object
*
* @param string $param
*/
public function __get($param) {
return $this->config->$param;
}
/**
* magic method that handles isset inquiries to attributes
*
* @param string $param
*/
public function __isset($param) {
return isset($this->config->$param);
}
/**
* magic method that dispatches all unrecognized method calls to the config object
*
* @param string $param
* @param string $value
*/
public function __set($param, $value) {
$this->config->$param = $value;
}
/**
* get the config object
* @return Zend_Config_*
*/
public function getConfig() {
return $this->config;
}
}
?>
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