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<?php |
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namespace Liip\MonitorBundle\Check; |
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage; |
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use ZendDiagnostics\Check\CheckInterface; |
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use ZendDiagnostics\Result\Failure; |
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use ZendDiagnostics\Result\Success; |
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use ZendDiagnostics\Result\Warning; |
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/** |
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* @author Kevin Bond <[email protected]> |
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*/ |
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class Expression implements CheckInterface |
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{ |
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private $label; |
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private $warningCheck; |
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private $criticalCheck; |
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private $warningMessage; |
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private $criticalMessage; |
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public function __construct($label, $warningCheck = null, $criticalCheck = null, $warningMessage = null, $criticalMessage = null) |
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{ |
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if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) { |
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throw new \Exception('The symfony/expression-language is required for this check.'); |
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} |
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if (!$warningCheck && !$criticalCheck) { |
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throw new \InvalidArgumentException('Not checks set.'); |
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} |
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$this->label = $label; |
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$this->warningCheck = $warningCheck; |
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$this->warningMessage = $warningMessage; |
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$this->criticalCheck = $criticalCheck; |
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$this->criticalMessage = $criticalMessage; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function check() |
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{ |
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$language = $this->getExpressionLanguage(); |
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if ($this->criticalCheck && false === $language->evaluate($this->criticalCheck)) { |
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return new Failure($this->criticalMessage); |
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} |
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if ($this->warningCheck && false === $language->evaluate($this->warningCheck)) { |
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return new Warning($this->warningMessage); |
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} |
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return new Success(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getLabel() |
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{ |
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return $this->label; |
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} |
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protected function getExpressionLanguage() |
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{ |
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$language = new ExpressionLanguage(); |
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$language->register( |
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'ini', |
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function ($value) { |
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return $value; |
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}, |
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function ($arguments, $value) { |
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return ini_get($value); |
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} |
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); |
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return $language; |
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} |
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} |
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liip /
LiipMonitorBundle
