Proyectos de Subversion Moodle

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1 efrain 1 
<?php
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namespace Aws\Endpoint;
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/**
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 * Provides endpoints based on an endpoint pattern configuration array.
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 */
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class PatternEndpointProvider
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{
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    /** @var array */
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    private $patterns;
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    /**
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     * @param array $patterns Hash of endpoint patterns mapping to endpoint
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     *                        configurations.
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     */
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    public function __construct(array $patterns)
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    {
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        $this->patterns = $patterns;
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    }
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    public function __invoke(array $args = [])
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    {
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        $service = isset($args['service']) ? $args['service'] : '';
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        $region = isset($args['region']) ? $args['region'] : '';
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        $keys = ["{$region}/{$service}", "{$region}/*", "*/{$service}", "*/*"];
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        foreach ($keys as $key) {
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            if (isset($this->patterns[$key])) {
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                return $this->expand(
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                    $this->patterns[$key],
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                    isset($args['scheme']) ? $args['scheme'] : 'https',
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                    $service,
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                    $region
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                );
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            }
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        }
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        return null;
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    }
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    private function expand(array $config, $scheme, $service, $region)
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    {
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        $config['endpoint'] = $scheme . '://'
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            . strtr($config['endpoint'], [
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                '{service}' => $service,
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                '{region}'  => $region
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            ]);
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        return $config;
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    }
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}