RepositoryBuilder.php
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<?php
namespace Dotenv\Repository;
use Dotenv\Repository\Adapter\ApacheAdapter;
use Dotenv\Repository\Adapter\AvailabilityInterface;
use Dotenv\Repository\Adapter\EnvConstAdapter;
use Dotenv\Repository\Adapter\PutenvAdapter;
use Dotenv\Repository\Adapter\ServerConstAdapter;
class RepositoryBuilder
{
/**
* The set of readers to use.
*
* @var \Dotenv\Repository\Adapter\ReaderInterface[]|null
*/
private $readers;
/**
* The set of writers to use.
*
* @var \Dotenv\Repository\Adapter\WriterInterface[]|null
*/
private $writers;
/**
* Are we immutable?
*
* @var bool
*/
private $immutable;
/**
* Create a new repository builder instance.
*
* @param \Dotenv\Repository\Adapter\ReaderInterface[]|null $readers
* @param \Dotenv\Repository\Adapter\WriterInterface[]|null $writers
* @param bool $immutable
*
* @return void
*/
private function __construct(array $readers = null, array $writers = null, $immutable = false)
{
$this->readers = $readers;
$this->writers = $writers;
$this->immutable = $immutable;
}
/**
* Create a new repository builder instance.
*
* @return \Dotenv\Repository\RepositoryBuilder
*/
public static function create()
{
return new self();
}
/**
* Creates a repository builder with the given readers.
*
* @param \Dotenv\Repository\Adapter\ReaderInterface[]|null $readers
*
* @return \Dotenv\Repository\RepositoryBuilder
*/
public function withReaders(array $readers = null)
{
$readers = $readers === null ? null : self::filterByAvailability($readers);
return new self($readers, $this->writers, $this->immutable);
}
/**
* Creates a repository builder with the given writers.
*
* @param \Dotenv\Repository\Adapter\WriterInterface[]|null $writers
*
* @return \Dotenv\Repository\RepositoryBuilder
*/
public function withWriters(array $writers = null)
{
$writers = $writers === null ? null : self::filterByAvailability($writers);
return new self($this->readers, $writers, $this->immutable);
}
/**
* Creates a repository builder with mutability enabled.
*
* @return \Dotenv\Repository\RepositoryBuilder
*/
public function immutable()
{
return new self($this->readers, $this->writers, true);
}
/**
* Creates a new repository instance.
*
* @return \Dotenv\Repository\RepositoryInterface
*/
public function make()
{
if ($this->readers === null || $this->writers === null) {
$defaults = self::defaultAdapters();
}
return new AdapterRepository(
$this->readers === null ? $defaults : $this->readers,
$this->writers === null ? $defaults : $this->writers,
$this->immutable
);
}
/**
* Return the array of default adapters.
*
* @return \Dotenv\Repository\Adapter\AvailabilityInterface[]
*/
private static function defaultAdapters()
{
return self::filterByAvailability([
new ApacheAdapter(),
new EnvConstAdapter(),
new ServerConstAdapter(),
new PutenvAdapter(),
]);
}
/**
* Filter an array of adapters to only those that are supported.
*
* @param \Dotenv\Repository\Adapter\AvailabilityInterface[] $adapters
*
* @return \Dotenv\Repository\Adapter\AvailabilityInterface[]
*/
private static function filterByAvailability(array $adapters)
{
return array_filter($adapters, function (AvailabilityInterface $adapter) {
return $adapter->isSupported();
});
}
}