<?php
namespace Doctrine\Bundle\DoctrineCacheBundle\DependencyInjection;
use Doctrine\Common\Inflector\Inflector;
use Symfony\Component\DependencyInjection\Alias;
use Symfony\Component\DependencyInjection\ContainerBuilder;
/**
* Cache provider loader
*
* @author Fabio B. Silva <fabio.bat.silva@gmail.com>
*/
class CacheProviderLoader
{
/**
* @param string $name
* @param array $config
* @param \Symfony\Component\DependencyInjection\ContainerBuilder $container
*/
public function loadCacheProvider($name, array $config, ContainerBuilder $container)
{
$serviceId = 'doctrine_cache.providers.' . $name;
$decorator = $this->getProviderDecorator($container, $config);
$service = $container->setDefinition($serviceId, $decorator);
$type = ($config['type'] === 'custom_provider')
? $config['custom_provider']['type']
: $config['type'];
if ($config['namespace']) {
$service->addMethodCall('setNamespace', array($config['namespace']));
}
$service->setPublic(true);
foreach ($config['aliases'] as $alias) {
$container->setAlias($alias, new Alias($serviceId, true));
}
if ($this->definitionClassExists($type, $container)) {
$this->getCacheDefinition($type, $container)->configure($name, $config, $service, $container);
}
}
/**
* @param \Symfony\Component\DependencyInjection\ContainerBuilder $container
* @param array $config
*
* @return \Symfony\Component\DependencyInjection\DefinitionDecorator
*/
protected function getProviderDecorator(ContainerBuilder $container, array $config)
{
$type = $config['type'];
$id = 'doctrine_cache.abstract.' . $type;
static $childDefinition;
if (null === $childDefinition) {
$childDefinition = class_exists('Symfony\Component\DependencyInjection\ChildDefinition') ? 'Symfony\Component\DependencyInjection\ChildDefinition' : 'Symfony\Component\DependencyInjection\DefinitionDecorator';
}
if ($type === 'custom_provider') {
$type = $config['custom_provider']['type'];
$param = $this->getCustomProviderParameter($type);
if ($container->hasParameter($param)) {
return new $childDefinition($container->getParameter($param));
}
}
if ($container->hasDefinition($id)) {
return new $childDefinition($id);
}
throw new \InvalidArgumentException(sprintf('"%s" is an unrecognized Doctrine cache driver.', $type));
}
/**
* @param string $type
* @param \Symfony\Component\DependencyInjection\ContainerBuilder $container
*
* @return \Doctrine\Bundle\DoctrineCacheBundle\DependencyInjection\Definition\CacheDefinition
*/
private function getCacheDefinition($type, ContainerBuilder $container)
{
$class = $this->getDefinitionClass($type, $container);
$object = new $class($type);
return $object;
}
/**
* @param string $type
* @param \Symfony\Component\DependencyInjection\ContainerBuilder $container
*
* @return boolean
*/
private function definitionClassExists($type, ContainerBuilder $container)
{
if ($container->hasParameter($this->getCustomDefinitionClassParameter($type))) {
return true;
}
return class_exists($this->getDefinitionClass($type, $container));
}
/**
* @param string $type
* @param \Symfony\Component\DependencyInjection\ContainerBuilder $container
*
* @return string
*/
protected function getDefinitionClass($type, ContainerBuilder $container)
{
if ($container->hasParameter($this->getCustomDefinitionClassParameter($type))) {
return $container->getParameter($this->getCustomDefinitionClassParameter($type));
}
$name = Inflector::classify($type) . 'Definition';
$class = sprintf('%s\Definition\%s', __NAMESPACE__, $name);
return $class;
}
/**
* @param string $type
*
* @return string
*/
public function getCustomProviderParameter($type)
{
return 'doctrine_cache.custom_provider.' . $type;
}
/**
* @param string $type
*
* @return string
*/
public function getCustomDefinitionClassParameter($type)
{
return 'doctrine_cache.custom_definition_class.' . $type;
}
}