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<?php |
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/* |
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* Go! AOP framework |
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* |
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* @copyright Copyright 2013, Lisachenko Alexander <[email protected]> |
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* |
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* This source file is subject to the license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Go\Aop\Framework; |
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use Go\Aop\Intercept\Joinpoint; |
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use ReflectionMethod; |
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use ReflectionProperty; |
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/** |
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* Interceptor to dynamically trigger an user notice/warning/error on method call |
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* |
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* This interceptor can be used as active replacement for the "deprecated" tag or to notify about |
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* probable issues with specific method. |
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*/ |
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class DeclareErrorInterceptor extends BaseInterceptor |
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{ |
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/** |
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* Error message to show for this interceptor |
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* |
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* @var string |
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*/ |
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private $message = ''; |
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/** |
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* Default level of error |
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* |
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* @var int |
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*/ |
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private $level = E_USER_NOTICE; |
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/** |
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* Default constructor for interceptor |
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* |
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* @param string $message Text message for error |
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* @param int $level Level of error |
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* @param string|null $pointcutExpression Pointcut expression |
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*/ |
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public function __construct($message, $level, $pointcutExpression) |
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{ |
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$adviceMethod = self::getDeclareErrorAdvice(); |
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$this->message = $message; |
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$this->level = $level; |
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parent::__construct($adviceMethod, -256, $pointcutExpression); |
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} |
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/** |
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* Serializes an interceptor into string representation |
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* |
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* @return string the string representation of the object or null |
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*/ |
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public function serialize() |
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{ |
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$vars = array_filter(get_object_vars($this)); |
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unset($vars['adviceMethod']); |
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return serialize($vars); |
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} |
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/** |
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* Unserialize an interceptor from the string |
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* |
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* @param string $serialized The string representation of the object. |
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* @return void |
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*/ |
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public function unserialize($serialized) |
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{ |
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$vars = unserialize($serialized); |
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$vars['adviceMethod'] = self::getDeclareErrorAdvice(); |
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foreach ($vars as $key=>$value) { |
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$this->$key = $value; |
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} |
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} |
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/** |
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* Returns an advice |
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* |
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* @return \Closure |
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*/ |
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private static function getDeclareErrorAdvice() |
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{ |
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static $adviceMethod = null; |
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if (!$adviceMethod) { |
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$adviceMethod = function($object, $reflectorName, $message, $level = E_USER_NOTICE) { |
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$class = is_string($object) ? $object : get_class($object); |
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$message = vsprintf('[AOP Declare Error]: %s has an error: "%s"', array( |
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$class . '->' . $reflectorName, |
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$message |
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)); |
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trigger_error($message, $level); |
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}; |
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} |
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return $adviceMethod; |
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} |
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/** |
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* Implement this method to perform extra treatments before and |
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* after the invocation. Polite implementations would certainly |
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* like to invoke {@link Joinpoint::proceed()}. |
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* |
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* @param Joinpoint $joinpoint the method invocation joinpoint |
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* |
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* @return mixed the result of the call to {@link Joinpoint::proceed()} |
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*/ |
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public function invoke(Joinpoint $joinpoint) |
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{ |
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/** @var ReflectionMethod|ReflectionProperty $reflection */ |
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$reflection = $joinpoint->getStaticPart(); |
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$reflectorName = 'unknown'; |
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if ($reflection && method_exists($reflection, 'getName')) { |
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$reflectorName = $reflection->getName(); |
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} |
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$adviceMethod = $this->adviceMethod; |
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$adviceMethod($joinpoint->getThis(), $reflectorName, $this->message, $this->level); |
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return $joinpoint->proceed(); |
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} |
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} |
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goaop /
framework
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