1 files changed, 104 insertions, 0 deletions
diff --git a/manager/library/config/Config.php b/manager/library/config/Config.php
new file mode 100644
index 0000000..26b21fa
--- /dev/null
+++ b/manager/library/config/Config.php
@@ -0,0 +1,104 @@
+<?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;
+	}
+}
+?>
+\ No newline at end of file