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<?php

namespace SAREhub\Client\DataFormat;

use SAREhub\Client\Message\Exchange;

class JsonDataFormat implements DataFormat
{

    /**
     * @param Exchange $exchange
     * @return string
     */
    public function marshal(Exchange $exchange)
    {
        return json_encode($exchange->getIn()->getBody());
    }

    /**
     * @param Exchange $exchange
     * @return array
     */
    public function unmarshal(Exchange $exchange)
    {
        return json_decode($exchange->getIn()->getBody(), true);
    }

    public function __toString()
    {
        return 'DataFormat[JSON]';
    }
}