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<?php |
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namespace TomPHP\ConfigServiceProvider\FileReader; |
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use TomPHP\ConfigServiceProvider\Exception\FileNotFoundException; |
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use TomPHP\ConfigServiceProvider\Exception\InvalidConfigException; |
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use TomPHP\ConfigServiceProvider\FileReader\FileReader; |
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final class JSONFileReader implements FileReader |
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{ |
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private $filename; |
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public function read($filename) |
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{ |
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$this->filename = $filename; |
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$this->assertFileExists(); |
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$config = json_decode(file_get_contents($filename), true); |
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if (json_last_error() !== JSON_ERROR_NONE) { |
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throw InvalidConfigException::fromJSONFileError($filename, $this->getJsonError()); |
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} |
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return $config; |
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} |
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private function assertFileExists() |
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{ |
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if (!file_exists($this->filename)) { |
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throw FileNotFoundException::fromFileName($this->filename); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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private function getJsonError() |
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{ |
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if (function_exists('json_last_error_msg')) { |
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return json_last_error_msg(); |
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} |
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$errors = [ |
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JSON_ERROR_NONE => null, |
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JSON_ERROR_DEPTH => 'Maximum stack depth exceeded', |
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JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch', |
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JSON_ERROR_CTRL_CHAR => 'Unexpected control character found', |
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JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON', |
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JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded', |
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]; |
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return $errors[json_last_error()]; |
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} |
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} |
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tomphp /
container-configurator
