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<?php |
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/** |
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* This file is part of php-simple-conversion. |
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* |
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* php-simple-conversion is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* php-simple-conversion is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with php-simple-conversion. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace Mcustiel\Conversion; |
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use Mcustiel\Conversion\Exception\ConverterDoesNotExistException; |
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use Mcustiel\Conversion\Exception\TryingInvalidConversionException; |
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/** |
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* Service class for PhpSimpleConversion. It's used to access all the service |
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* provided by the library, which basically are register converters and do conversions. |
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* |
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* @author mcustiel |
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*/ |
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class ConversionService |
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{ |
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/** |
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* @var ConverterContainer |
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*/ |
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private $container; |
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/** |
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* @param SingletonConverterContainer $container |
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*/ |
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public function __construct(ConverterContainer $container = null) |
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{ |
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$this->container = $container ?: SingletonConverterContainer::getInstance(); |
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} |
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/** |
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* Converts a given object to another type. |
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* |
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* @param string|array|object $object the object to convert |
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* @param string $toClass The name of the class to which the object will be converted |
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* @param bool $iterateParents Whether or not to search for a converter for the parent class |
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* |
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* @throws ConverterDoesNotExistException |
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*/ |
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public function convert($object, $toClass, $iterateParents = false) |
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{ |
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$from = $this->getTypeOf($object); |
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$originalType = $from; |
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do { |
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try { |
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$converter = $this->container->getConverter($from, $toClass); |
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return $converter->convert($object); |
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} catch (ConverterDoesNotExistException $e) { |
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$from = $this->manageException($iterateParents, $from, $e); |
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} |
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} while ($from); |
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throw new ConverterDoesNotExistException( |
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"Converter from {$originalType} to {$toClass} does not exist" |
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); |
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} |
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/** |
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* Registers a converter in the library for future use. |
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* |
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* @param ConverterBuilder $builder The converter builder that creates the converter to register |
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*/ |
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public function registerConverter(ConverterBuilder $builder) |
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{ |
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$this->container->addConverter($builder); |
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} |
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/** |
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* @param bool $iterateParents |
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* @param string $from |
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* @param \Exception $e |
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*/ |
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private function manageException($iterateParents, $from, $e) |
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{ |
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if (!$iterateParents) { |
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throw $e; |
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} elseif (class_exists($from)) { |
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$from = get_parent_class($from); |
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} |
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return $from; |
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} |
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/** |
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* @param mixed $object |
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* |
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* @throws TryingInvalidConversionException |
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* |
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* @return string |
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*/ |
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private function getTypeOf($object) |
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{ |
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$type = gettype($object); |
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if ($type === 'string' || $type === 'array') { |
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return $type; |
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} |
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if ($type === 'object') { |
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return get_class($object); |
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} |
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throw new TryingInvalidConversionException( |
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"Trying to convert from '{$type}'. Can only convert from string, array or object" |
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); |
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} |
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} |
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mcustiel /
php-simple-conversion
