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<?php
/**
* CAction class file.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CAction is the base class for all controller action classes.
*
* CAction provides a way to divide a complex controller into
* smaller actions in separate class files.
*
* Derived classes must implement {@link run()} which is invoked by
* controller when the action is requested.
*
* An action instance can access its controller via {@link getController controller} property.
*
* @property CController $controller The controller who owns this action.
* @property string $id Id of this action.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id$
* @package system.web.actions
* @since 1.0
*/
abstract class CAction extends CComponent implements IAction
{
private $_id;
private $_controller;
/**
* Constructor.
* @param CController $controller the controller who owns this action.
* @param string $id id of the action.
*/
public function __construct($controller,$id)
{
$this->_controller=$controller;
$this->_id=$id;
}
/**
* @return CController the controller who owns this action.
*/
public function getController()
{
return $this->_controller;
}
/**
* @return string id of this action
*/
public function getId()
{
return $this->_id;
}
/**
* Runs the action with the supplied request parameters.
* This method is internally called by {@link CController::runAction()}.
* @param array $params the request parameters (name=>value)
* @return boolean whether the request parameters are valid
* @since 1.1.7
*/
public function runWithParams($params)
{
$method=new ReflectionMethod($this, 'run');
if($method->getNumberOfParameters()>0)
return $this->runWithParamsInternal($this, $method, $params);
else
return $this->run();
}
/**
* Executes a method of an object with the supplied named parameters.
* This method is internally used.
* @param mixed $object the object whose method is to be executed
* @param ReflectionMethod $method the method reflection
* @param array $params the named parameters
* @return boolean whether the named parameters are valid
* @since 1.1.7
*/
protected function runWithParamsInternal($object, $method, $params)
{
$ps=array();
foreach($method->getParameters() as $i=>$param)
{
$name=$param->getName();
if(isset($params[$name]))
{
if($param->isArray())
$ps[]=is_array($params[$name]) ? $params[$name] : array($params[$name]);
else if(!is_array($params[$name]))
$ps[]=$params[$name];
else
return false;
}
else if($param->isDefaultValueAvailable())
$ps[]=$param->getDefaultValue();
else
return false;
}
$method->invokeArgs($object,$ps);
return true;
}
}
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