Bazinga\Bundle\GeocoderBundle\ProviderFactory\AbstractFactory

Complexity

Total Complexity

7

Size/Duplication

Total Lines	79
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
	getProvider()	0	1	?
A	createProvider()	0	10	1
A	validate()	0	20	2
A	verifyDependencies()	0	14	3
A	configureOptionResolver()	0	3	1

<?php

namespace Bazinga\Bundle\GeocoderBundle\ProviderFactory;

use Geocoder\Provider\Provider;
use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
use Symfony\Component\OptionsResolver\OptionsResolver;

/**
 * An abstract factory that makes it easier to implement new factories. A class that extend the AbstractFactory
 * should override AbstractFactory::$dependencies and AbstractFactory::configureOptionResolver().
 *
 * @author Tobias Nyholm <tobias.nyholm@gmail.com>
 */
abstract class AbstractFactory implements ProviderFactoryInterface
{
    protected static $dependencies = [];

    /**
     * @param array $config
     *
     * @return Provider
     */
    abstract protected function getProvider(array $config);

    /**
     * {@inheritdoc}
     */
    public function createProvider(array $options = [])
    {
        $this->verifyDependencies();

        $resolver = new OptionsResolver();
        static::configureOptionResolver($resolver);
        $config = $resolver->resolve($options);

        return $this->getProvider($config);
    }

    /**
     * {@inheritdoc}
     */
    public static function validate(array $options, $providerName)
    {
        static::verifyDependencies();

        $resolver = new OptionsResolver();
        static::configureOptionResolver($resolver);

        try {
            $resolver->resolve($options);
        } catch (\Exception $e) {
            $message = sprintf(
                'Error while configure provider "%s". Verify your configuration at "bazinga_geocoder.providers.%s.options". %s',
                $providerName,
                $providerName,
                $e->getMessage()
            );

            throw new InvalidConfigurationException($message, $e->getCode(), $e);
        }
    }

    /**
     * Make sure that we have the required class and throw and exception if we don't.
     *
     * @throws \LogicException
     */
    protected static function verifyDependencies()
    {
        foreach (static::$dependencies as $dependency) {
            if (!class_exists($dependency['requiredClass'])) {
                throw new \LogicException(
                    sprintf(
                        'You must install the "%s" package to use the "%s" factory.',
                        $dependency['packageName'],
                        static::class
                    )
                );
            }
        }
    }

    /**
     * By default we do not have any options to configure. A factory should override this function and confgure
     * the options resolver.
     *
     * @param OptionsResolver $resolver
     */
    protected static function configureOptionResolver(OptionsResolver $resolver)
    {
    }
}