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/*
* This file is part of the ICanBoogie package.
*
* (c) Olivier Laviale <olivier.laviale@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ICanBoogie\CLDR;
use ICanBoogie\Storage\Storage;
/**
* Retrieves sections from the CLDR source using cURL.
*/
class WebProvider implements Storage, Provider
{
use ProviderStorageBinding;
const DEFAULT_ORIGIN = "http://www.unicode.org/repos/cldr-aux/json/26/";
/**
* @var string
*/
private $origin;
/**
* @var resource
*/
private $connection;
/**
* Initializes the {@link $origin} property.
*
* @param string $origin
*/
public function __construct($origin = self::DEFAULT_ORIGIN)
{
$this->origin = $origin;
}
/**
* @inheritdoc
* @codeCoverageIgnore
*/
public function store($key, $value, $ttl = null)
{
# does nothing
}
/**
* The section path, following the pattern "<identity>/<section>".
*
* @param string $key
*
* @return string
*
* @throws ResourceNotFound when the specified path does not exists on the CLDR source.
*/
public function retrieve($key)
{
$connection = $this->obtain_connection();
$url = $this->map($key);
curl_setopt($connection, CURLOPT_URL, $url);
$rc = curl_exec($connection);
$http_code = curl_getinfo($connection, CURLINFO_HTTP_CODE);
if ($http_code != 200)
{
throw new ResourceNotFound($key);
}
return json_decode($rc, true);
}
// @codeCoverageIgnoreStart
/**
* The method does nothing.
*
* @inheritdoc
* @codeCoverageIgnore
*/
public function eliminate($key)
{
# does nothing
}
/**
* The method does nothing.
*
* @inheritdoc
* @codeCoverageIgnore
*/
public function exists($key)
{
# does nothing
}
/**
* The method does nothing.
*
* @inheritdoc
* @codeCoverageIgnore
*/
public function clear()
{
# does nothing
}
/**
* @inheritdoc
*/
public function getIterator()
{
# does nothing
}
// @codeCoverageIgnoreEnd
/**
* Returns a reusable cURL connection.
*
* @return resource
*/
private function obtain_connection()
{
$connection = &$this->connection;
return $connection ?: $connection = $this->create_connection();
}
/**
* @return resource
*/
private function create_connection()
{
$connection = curl_init();
curl_setopt_array($connection, [
CURLOPT_FAILONERROR => true,
CURLOPT_RETURNTRANSFER => true
]);
return $connection;
}
/**
* Map a CLDR path to a distribution URL.
*
* @param string $path
*
* @return string
*/
private function map($path)
{
return "{$this->origin}$path.json";
}
}