Michaels\Manager\Decoders\JsonDecoder

Complexity

Total Complexity

6

Size/Duplication

Total Lines	43
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	decode()	0	12	4
A	getMimeType()	0	4	1
A	isValidJson()	0	4	1

<?php
namespace Michaels\Manager\Decoders;

use Michaels\Manager\Contracts\DecoderInterface;
use Michaels\Manager\Exceptions\JsonDecodingFailedException;

/**
 * A standard Json Decoder Module for the data manager file loader.
 *
 * @package Michaels\Manager
 */
class JsonDecoder implements DecoderInterface
{
    /** @var array Decoded data */
    protected $arrayData = [];

    /**
     * Decodes JSON data to array
     *
     * @param $data string
     * @return array
     * @throws JsonDecodingFailedException
     */
    public function decode($data)
    {
        if (is_string($data)) {
            $this->arrayData = json_decode($data, true); // true gives us associative arrays
        }

        if (!is_string($data) || !$this->isValidJson()) {
            throw new JsonDecodingFailedException('The data provided was not proper JSON');
        }

        return $this->arrayData;
    }

    /**
     * Returns MimeType
     * @return string[]
     */
    public function getMimeType()
    {
        return ['json'];
    }

    /**
     * Checks if the input is really a json string and if the PHP Json decoding was successful.
     * @return boolean
     */
    protected function isValidJson()
    {
        return (json_last_error() === JSON_ERROR_NONE);
    }
}