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<?php |
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namespace BramR\TorExits\Parser; |
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use BramR\TorExits\Collector\CollectorInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\NullLogger; |
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use Psr\Http\Message\StreamInterface; |
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abstract class BaseParser implements ParserInterface |
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{ |
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use LoggerAwareTrait; |
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protected $collector; |
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protected $parseWarningThreshold; |
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const DEFAULT_PARSE_WARNING_THRESHOLD = 500; |
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public function __construct(CollectorInterface $collector = null) |
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{ |
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$this->setLogger(new NullLogger()); |
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if ($collector) { |
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$this->setCollector($collector); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setCollector(CollectorInterface $collector) |
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{ |
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$this->collector = $collector; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getCollector() |
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{ |
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return $this->collector; |
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} |
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/** |
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* Getter for parseWarningThreshold |
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* |
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* return string |
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*/ |
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public function getParseWarningThreshold() |
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{ |
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return is_null($this->parseWarningThreshold) ? |
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self::DEFAULT_PARSE_WARNING_THRESHOLD : $this->parseWarningThreshold; |
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} |
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/** |
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* Setter for parseWarningThreshold |
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* |
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* @param int $parseWarningThreshold |
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* @return BaseParser |
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*/ |
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public function setParseWarningThreshold($parseWarningThreshold) |
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{ |
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$this->parseWarningThreshold = (int) $parseWarningThreshold; |
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return $this; |
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} |
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/** |
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* Return data stream, either from passed in stream or from the collector. |
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* |
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* @throws Exception if no StreamInterface can be retrurned |
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* |
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* @param StreamInterface $data = null |
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* @return StreamInterface |
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*/ |
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protected function getStreamData(StreamInterface $data = null) |
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{ |
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if (!is_null($data)) { |
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return $data; |
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} |
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if ($this->getCollector()) { |
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try { |
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return $this->getCollector()->fetch(); |
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} catch (\Exception $e) { |
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$this->logger->error('Failed getting data from collector: ' . $e->getMessage()); |
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throw $e; |
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} |
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} else { |
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$this->logger->error('Cannot find stream to parse'); |
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throw new \InvalidArgumentException('Cannot find stream to parse.'); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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abstract public function parse(StreamInterface $data = null); |
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} |
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bramr /
tor-exits
