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<?php |
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/** |
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* Webino™ (http://webino.sk) |
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* |
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* @link https://github.com/webino for the canonical source repository |
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* @copyright Copyright (c) 2015-2017 Webino, s.r.o. (http://webino.sk) |
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* @author Peter Bačinský <[email protected]> |
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* @license BSD-3-Clause |
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*/ |
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namespace WebinoLogLib; |
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use WebinoLogLib\Exception; |
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use WebinoLogLib\Message\MessageInterface; |
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use Zend\Stdlib\Parameters; |
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/** |
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* Class Logger |
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*/ |
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class Logger implements LoggerInterface |
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{ |
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/** |
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* @var PsrLogger |
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*/ |
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private $engine; |
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/** |
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* @var MessageInterface[] |
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*/ |
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private $messages = []; |
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/** |
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* @param PsrLogger $engine |
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*/ |
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public function __construct(PsrLogger $engine) |
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{ |
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$this->engine = $engine; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function log($level = null, ...$args) |
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{ |
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if (null === $level) { |
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return $this->engine; |
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} |
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$fromClass = ($level instanceof MessageInterface) ? $level : $this->messageFromClass($level); |
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if ($fromClass) { |
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$_level = $fromClass->getLevel(); |
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$_args = new Parameters(isset($args[0]) ? $args[0] : []); |
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$message = $fromClass->getMessage($_args); |
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} else { |
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$_level = $level; |
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if (empty($args[0])) { |
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throw new Exception\InvalidArgumentException('Expected a log message but empty'); |
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} |
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$message = $args[0]; |
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$_args = new Parameters(isset($args[1]) ? $args[1] : []); |
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} |
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try { |
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$this->engine->log($_level, (string) $message, $_args->toArray()); |
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} catch (\Exception $exc) { |
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throw new Exception\DomainException('Unable to write log', null, $exc); |
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} |
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return $this->engine; |
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} |
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/** |
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* @param string $className Concrete MessageInterface class class name. |
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* @return null|MessageInterface |
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*/ |
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private function messageFromClass($className) |
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{ |
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if (isset($this->messages[$className])) { |
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// return cached |
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return $this->messages[$className]; |
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} |
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if (class_exists($className)) { |
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// create a log message |
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$message = new $className; |
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if ($message instanceof MessageInterface) { |
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$this->messages[$className] = $message; |
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return $message; |
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} |
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throw (new Exception\InvalidArgumentException('Expected class to be type of %s but got %s')) |
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->format(MessageInterface::class, $message); |
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} |
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return null; |
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} |
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} |
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