2012-08-04 10:40:48 +00:00
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<?php
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/**
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* This file is part of MySQLDumper released under the GNU/GPL 2 license
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* http://www.mysqldumper.net
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*
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* @package MySQLDumper
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* @subpackage Config_IoHandler
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* @version SVN: $Rev$
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* @author $Author$
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*/
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/**
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* Class to handle input/output for configuration params.
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*
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* @package MySQLDumper
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* @subpackage Config_IoHandler
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*/
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class Msd_Config_IoHandler_Default implements Msd_Config_IoHandler_Interface
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{
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/**
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* Array with directories, where config files are located.
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*
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* @var array
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*/
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private $_configDirectories = array();
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/**
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* Handler for .ini files.
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*
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* @var Msd_Ini
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*/
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private $_iniConfig = null;
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/**
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* Name of the .ini file, where the config is stored.
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*
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* @var string
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*/
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private $_configFilename = null;
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/**
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* Configuration namespace in session.
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*
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* @var Zend_Session_Namespace
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*/
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private $_sessionNamespace = null;
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/**
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* Class constructor
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*
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* @param array $handlerOptions
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*
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* @return Msd_Config_IoHandler_Default
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*/
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public function __construct($handlerOptions = array())
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{
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if (isset($handlerOptions['directories'])) {
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$this->_configDirectories = (array) $handlerOptions['directories'];
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}
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// Create new namespace for session access.
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$this->_sessionNamespace = new Zend_Session_Namespace('Config');
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}
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/**
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* Loads and returns a configuration from session or .ini file.
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* If the config is read from .ini file, it is also stored to session.
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*
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* @param string $configFilename Name of the .ini file, where the config is stored.
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*
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* @return array
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*/
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public function load($configFilename)
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{
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// Retrieve config from session
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$config = (array) $this->_sessionNamespace->config;
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$this->_configFilename = $configFilename;
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// Check whether the configuration has been loaded.
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if (count($config) == 0) {
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// Search for the config file in the given directories.
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2012-08-21 20:22:56 +00:00
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$this->_initIni($config);
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2012-08-04 10:40:48 +00:00
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$config = $this->_iniConfig->getIniData();
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// Put configuration into session.
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$this->_sessionNamespace->config = $config;
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}
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return $config;
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}
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2012-08-21 20:22:56 +00:00
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/**
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* Set configuration file name
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*
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* @param string $configFilename File name of configuration file (without path)
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*/
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public function setConfigFilename($configFilename)
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{
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$this->_configFilename = $configFilename;
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}
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2012-08-04 10:40:48 +00:00
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/**
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* Saves the configuration to session and .ini file.
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*
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* @param array $config Configuration to save.
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*
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* @return bool
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*/
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public function save($config)
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{
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if ($this->_iniConfig === null) {
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2012-08-21 20:22:56 +00:00
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$this->_initIni($config);
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2012-08-04 10:40:48 +00:00
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}
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// Save config to session
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$this->_sessionNamespace->config = $config;
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// Save config to .ini file
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$this->_iniConfig->setIniData($config);
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return $this->_iniConfig->saveFile($this->_configFilename);
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}
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/**
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* Initializes the .ini file handler and sets the full filename of the .ini file.
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*
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2012-08-21 20:22:56 +00:00
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* @param array Configuration as array
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*
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2012-08-04 10:40:48 +00:00
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* @return void
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*/
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2012-08-21 20:22:56 +00:00
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private function _initIni($config)
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2012-08-04 10:40:48 +00:00
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{
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foreach ($this->_configDirectories as $configDir) {
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$filename = rtrim($configDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $this->_configFilename;
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if (file_exists($filename)) {
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$this->_configFilename = $filename;
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$this->_iniConfig = new Msd_Ini($filename);
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2012-08-21 20:22:56 +00:00
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return;
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2012-08-04 10:40:48 +00:00
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}
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}
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2012-08-21 20:22:56 +00:00
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$this->_iniConfig = new Msd_Ini();
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$this->_iniConfig->setIniData($config);
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2012-08-04 10:40:48 +00:00
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}
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}
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