Endpoint.php
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<?php
namespace AlibabaCloud\Endpoint;
/**
* Get endpoint.
*/
class Endpoint
{
const ENDPOINT_TYPE_REGIONAL = 'regional';
const ENDPOINT_TYPE_CENTRAL = 'central';
const REGIONAL_RULES = '<product><suffix><network>.<region_id>.aliyuncs.com';
const CENTRAL_RULES = '<product><suffix><network>.aliyuncs.com';
/**
* @param string $product required
* @param string $regionId optional It will be required when endpoint type is 'regional'
* @param string $endpointType optional regional|central
* @param string $network optional
* @param string $suffix optional
*
* @throws \InvalidArgumentException
*
* @return string
*/
public static function getEndpointRules($product, $regionId, $endpointType = '', $network = '', $suffix = '')
{
if (empty($product)) {
throw new \InvalidArgumentException('Product name cannot be empty.');
}
$endpoint = self::REGIONAL_RULES;
if (self::ENDPOINT_TYPE_REGIONAL === $endpointType) {
if (empty($regionId)) {
throw new \InvalidArgumentException('RegionId is empty, please set a valid RegionId');
}
$endpoint = self::render($endpoint, 'region_id', strtolower($regionId));
} elseif (self::ENDPOINT_TYPE_CENTRAL === $endpointType) {
$endpoint = self::CENTRAL_RULES;
} else {
throw new \InvalidArgumentException('Invalid EndpointType');
}
if (!empty($network) && 'public' !== $network) {
$endpoint = self::render($endpoint, 'network', '-' . $network);
} else {
$endpoint = self::render($endpoint, 'network', '');
}
if (!empty($suffix)) {
$endpoint = self::render($endpoint, 'suffix', '-' . $suffix);
} else {
$endpoint = self::render($endpoint, 'suffix', '');
}
return self::render($endpoint, 'product', strtolower($product));
}
private static function render($str, $tag, $replace)
{
return str_replace('<' . $tag . '>', $replace, $str);
}
}