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<?php
/**
* TProtectedConfiguration class.
* Provides access to the protected-configuration providers for the current application's configuration file.
*
* @author Jason Ragsdale <jrags@jasrags.net>
* @version $Id: TProtectedConfiguration.php 1398 2006-09-08 19:31:03Z xue $
* @package System.Configuration
* @since 3.1
*/
final class TProtectedConfiguration extends TModule
{
private $_defaultProvider;
/**
* @var array list of providers available
*/
private $_providers=array();
/**
* @var string external configuration file
*/
private $_configFile=null;
public function getDefaultProvider()
{
return $this->_defaultProvider;
}
public function setDefaultProvider($value)
{
$this->_defaultProvider = TPropertyValue::ensureString($value);
}
public function getProvider($value=null)
{
if ($value)
$index = $value;
else
$index = $this->_defaultProvider;
$provider = $this->_providers[$index];
if (!$provider instanceof TProviderBase)
throw new TConfigurationException('protectedconfiguration_not_a_provider',$index);
return $provider;
}
public function init($config)
{
if($this->_configFile!==null)
{
if(is_file($this->_configFile))
{
$dom=new TXmlDocument;
$dom->loadFromFile($this->_configFile);
$this->loadConfig($dom);
}
else
throw new TConfigurationException('protectedconfiguration_configfile_invalid',$this->_configFile);
}
$this->loadConfig($config);
// $this->getApplication()->attachEventHandler('OnEndRequest',array($this,'collectLogs'));
}
/**
* Loads configuration from an XML element
* @param TXmlElement configuration node
* @throws TConfigurationException if log route class or type is not specified
*/
private function loadConfig($xml)
{
foreach($xml->getElementsByTagName('provider') as $providerConfig)
{
$properties=$providerConfig->getAttributes();
if(($class=$properties->remove('class'))===null)
throw new TConfigurationException('protectedconfiguration_providerclass_required');
$provider=Prado::createComponent($class);
if(!($provider instanceof TProviderBase))
throw new TConfigurationException('protectedconfiguration_providertype_invalid');
foreach($properties as $name=>$value)
$provider->setSubproperty($name,$value);
$this->_providers[$provider->getId()]=$provider;
$provider->init($providerConfig);
}
}
}
?>
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