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<?php |
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/** |
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* elevator |
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* |
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* @category Jkphl |
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* @package Jkphl\Rdfalite |
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* @subpackage Jkphl\Elevator\Domain |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl |
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* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
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*/ |
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/*********************************************************************************** |
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* The MIT License (MIT) |
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* |
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* Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of |
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* this software and associated documentation files (the "Software"), to deal in |
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* the Software without restriction, including without limitation the rights to |
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
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* the Software, and to permit persons to whom the Software is furnished to do so, |
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* subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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***********************************************************************************/ |
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namespace Jkphl\Elevator\Domain; |
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/** |
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* Elevator |
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* |
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* @package Jkphl\Elevator |
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* @subpackage Jkphl\Elevator\Domain |
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*/ |
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class Elevator |
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{ |
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/** |
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* Source object |
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* |
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* @var object |
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*/ |
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protected $object; |
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/** |
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* Source object class reflection |
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* |
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* @var \ReflectionClass |
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*/ |
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protected $class; |
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/** |
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* Constructor |
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* |
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* @param object $object Source object |
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* @throws UnexpectedValueException If the argument is not an object |
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*/ |
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public function __construct($object) |
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{ |
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// If the argument is not an object |
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if (!is_object($object)) { |
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1 |
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throw new UnexpectedValueException( |
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UnexpectedValueException::OBJECT_REQUIRED_STR, |
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1 |
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UnexpectedValueException::OBJECT_REQUIRED |
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); |
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} |
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$this->object = $object; |
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6 |
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$this->class = new \ReflectionClass($this->object); |
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// If the object is of an internal class |
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6 |
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if ($this->class->isInternal()) { |
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1 |
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throw new UnexpectedValueException( |
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1 |
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sprintf(UnexpectedValueException::NON_INTERNAL_REQUIRED_STR, $this->class->name), |
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1 |
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UnexpectedValueException::NON_INTERNAL_REQUIRED |
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); |
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} |
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5 |
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} |
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/** |
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* Elevate the current object to a particular class |
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* |
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* @param \ReflectionClass $class Target class |
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* @param ElevationMap $map |
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* @return object Elevated target object |
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*/ |
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public function elevate(\ReflectionClass $class, ElevationMap $map) |
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{ |
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// If the target class doesn't extend the source object class |
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5 |
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if (!$class->isSubclassOf($this->class->name)) { |
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1 |
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throw new UnexpectedValueException( |
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sprintf( |
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UnexpectedValueException::INVALID_TARGET_CLASS_STR, |
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$class->name, |
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1 |
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$this->class->name |
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), |
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UnexpectedValueException::INVALID_TARGET_CLASS |
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); |
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} |
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return $this->mergeMap($class->newInstanceWithoutConstructor(), $class, $map); |
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} |
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/** |
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* Recursively merge an elevation map into an elevated target object |
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* |
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* @param object $object Target object |
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* @param \ReflectionClass $class Current class |
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* @param ElevationMap $map Elevation map |
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* @return object Target object |
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*/ |
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protected function mergeMap($object, \ReflectionClass $class, ElevationMap $map) |
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{ |
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// Run through all property values declared by this class |
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foreach ($map->getPropertyValues($class) as $propertyName => $propertyValue) { |
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$property = $class->getProperty($propertyName); |
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$property->setAccessible(true); |
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$property->setValue($object, $propertyValue); |
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$property->setAccessible(false); |
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} |
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$parentClass = $class->getParentClass(); |
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if (($parentClass instanceof \ReflectionClass) && !$parentClass->isInternal()) { |
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$this->mergeMap($object, $parentClass, $map); |
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} |
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return $object; |
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} |
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} |
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jkphl /
elevator
