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<?php |
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/** |
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* @author Matthijs van den Bos <[email protected]> |
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* @copyright 2013 Matthijs van den Bos |
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*/ |
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namespace VDB\Spider; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\EventDispatcher\GenericEvent; |
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use VDB\Uri\UriInterface; |
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use VDB\Spider\Event\SpiderEvents; |
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class LogHandler implements EventSubscriberInterface |
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{ |
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private $debug = false; |
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public function __construct($debug = false) |
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{ |
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$this->debug = $debug; |
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} |
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public static function getSubscribedEvents() |
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{ |
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return array( |
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SpiderEvents::SPIDER_CRAWL_FILTER_POSTFETCH => 'logFiltered', |
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SpiderEvents::SPIDER_CRAWL_FILTER_PREFETCH => 'logFiltered', |
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SpiderEvents::SPIDER_CRAWL_POST_ENQUEUE => 'logQueued', |
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SpiderEvents::SPIDER_CRAWL_RESOURCE_PERSISTED => 'logPersisted', |
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SpiderEvents::SPIDER_CRAWL_ERROR_REQUEST => 'logFailed' |
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); |
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} |
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protected function logEvent($name, GenericEvent $event) |
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{ |
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if ($this->debug === true) { |
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echo "\n[$name]\t:" . $event->getArgument('uri')->toString(); |
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} |
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} |
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public function logQueued(GenericEvent $event) |
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{ |
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$this->logEvent('queued', $event); |
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} |
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public function logPersisted(GenericEvent $event) |
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{ |
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$this->logEvent('persisted', $event); |
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} |
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public function logFiltered(GenericEvent $event) |
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{ |
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$this->logEvent('filtered', $event); |
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} |
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public function logFailed(GenericEvent $event) |
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{ |
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$this->logEvent('failed', $event); |
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} |
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} |
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mvdbos /
php-spider
