/**
* Finds an entry of the container by its identifier and returns it.
*
* @param string $id Identifier of the entry to look for.
*
* @throws \Interop\Container\Exception\NotFoundException No entry was found for this identifier.
* @throws \Interop\Container\Exception\ContainerException Error while retrieving the entry.
*
* @return mixed Entry.
*/
public function get($id)
{
if ('kernel' === $id) {
return $this->kernel;
} elseif ('event_dispatcher' === $id) {
return $this->kernel->getDispatcher();
}
throw new NotFoundException(sprintf("The service '%s' doesn't exist", $id));
}
/**
* @return ContainerInterface
*
* Initialize the application container: builds kernel services and parameters.
*
* It must inject:
* - services:
* - kernel: the kernel
* - parameters: (If handles parameter)
* - kernel.cache_dir: the cache directory (from $kernel->getConfig()->getCacheDir())
*
* It should inject specific environment variable as parameters.
*/
public function initializeContainer(KernelInterface $kernel) : ContainerInterface
{
return new DefaultContainer($kernel, $kernel->getConfig()->getCacheDir());
}
/**
* Builds the service container.
*
* @param KernelInterface $kernel The kernel that is initializing the container
* @return ContainerBuilder The compiled service container
*
* @throws \RuntimeException
*/
protected function buildContainer(KernelInterface $kernel)
{
$dir = $kernel->getConfig()->getCacheDir();
if (!is_dir($dir)) {
if (false === @mkdir($dir, 0777, true) && !is_dir($dir)) {
throw new \RuntimeException(sprintf("Unable to create the cache directory (%s)\n", $dir));
}
} elseif (!is_writable($dir)) {
throw new \RuntimeException(sprintf("Unable to write in the cache directory (%s)\n", $dir));
}
$container = $this->getContainerBuilder($kernel);
$container->addObjectResource($this);
$this->prepareContainer($container, $kernel);
if (null !== ($cont = $this->registerContainerConfiguration($this->getContainerLoader($container)))) {
$container->merge($cont);
}
return $container;
}
