1: <?php
 2: namespace NGS\Converter;
 3: 
 4: require_once(__DIR__.'/ConverterInterface.php');
 5: require_once(__DIR__.'/../ByteStream.php');
 6: 
 7: class ByteStreamConverter implements ConverterInterface
 8: {
 9:     public static function toJson($value = null)
10:     {
11:         return $value === null ? null : (string) $value;
12:     }
13: 
14:     public static function fromJson($value)
15:     {
16:         if (!is_string($value)) {
17:             throw new InvalidArgumentException('Cannot convert JSON value to BigInt. Value is not string');
18:         }
19: 
20:         return new ByteStream(\base64_decode($value));
21:     }
22: }
23: