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<?php |
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/** |
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* ConfigParameter.php |
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* |
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* The ConfigParameter class file. |
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* |
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* PHP versions 5 |
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* |
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* @author Alexander Schneider <alexanderschneider85@gmail.com> |
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* @copyright 2008-2017 Alexander Schneider |
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 |
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* @version SVN: $id$ |
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* @link http://wordpress.org/extend/plugins/user-access-manager/ |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace UserAccessManager\Config; |
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|
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use Exception; |
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|
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/** |
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* Class ConfigParameter |
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* |
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* @package UserAccessManager\Config |
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*/ |
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abstract class ConfigParameter implements ConfigParameterInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $id; |
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|
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/** |
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* @var mixed |
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*/ |
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protected $defaultValue = null; |
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|
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/** |
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* @var mixed |
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*/ |
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protected $value = null; |
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|
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/** |
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* ConfigParameter constructor. |
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* @param string $id |
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* @param mixed $defaultValue |
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* @throws Exception |
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*/ |
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public function __construct(string $id, $defaultValue = null) |
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{ |
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$this->id = $id; |
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|
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$this->validateValue($defaultValue); |
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$this->defaultValue = $defaultValue; |
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} |
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|
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/** |
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* Returns the id. |
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* @return string |
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*/ |
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public function getId(): string |
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{ |
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return $this->id; |
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} |
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|
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/** |
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* Checks the value type and throws an exception if the value isn't the required type. |
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* @param mixed $value |
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* @throws Exception |
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*/ |
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protected function validateValue($value) |
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{ |
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if ($this->isValidValue($value) === false) { |
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throw new Exception("Wrong value '{$value}' type given for '{$this->id}'.'"); |
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} |
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} |
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|
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/** |
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* Sets the current value. |
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* @param mixed $value |
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*/ |
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public function setValue($value) |
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{ |
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$this->isValidValue($value); |
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$this->value = $value; |
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} |
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|
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/** |
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* Returns the current parameter value. |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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return ($this->value === null) ? $this->defaultValue : $this->value; |
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} |
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} |
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|
