Genkgo\Camt\Reader

Complexity

Total Complexity

9

Size/Duplication

Total Lines	74
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Test Coverage

Coverage

95.65%

Importance

Changes	3
Bugs	0	Features	1

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	readDom()	0	10	2
A	readString()	0	6	1
A	readFile()	0	8	2
A	getMessageFormatForXmlNs()	0	11	3

<?php
namespace Genkgo\Camt;

use DOMDocument;
use Genkgo\Camt\Exception\ReaderException;
use Genkgo\Camt\Camt053\Message;

/**
 * Class Reader
 * @package Genkgo\Camt
 */
class Reader
{
    /**
     * @var Config
     */
    private $config;

    /**
     * @param Config $config
     */
    public function __construct(Config $config)
    {
        $this->config = $config;
    }

    /**
     * @param DOMDocument $document
     * @return mixed|Message
     * @throws ReaderException
     */
    public function readDom(DOMDocument $document)
    {
        if ($document->documentElement === null) {
            throw new ReaderException("Empty document");
        }

        $xmlNs = $document->documentElement->getAttribute('xmlns');
        $messageFormat = $this->getMessageFormatForXmlNs($xmlNs);
        return $messageFormat->getDecoder()->decode($document);
    }

    /**
     * @param $string
     * @return mixed|Message
     * @throws ReaderException
     */
    public function readString($string)
    {
        $dom = new DOMDocument('1.0', 'UTF-8');
        $dom->loadXML($string);
        return $this->readDom($dom);
    }

    /**
     * @param $file
     * @return mixed|Message
     * @throws ReaderException
     */
    public function readFile($file)
    {
        if (!file_exists($file)) {
            throw new ReaderException("{$file} does not exists");
        }

        return $this->readString(file_get_contents($file));
    }

    /**
     * @param $xmlNs
     * @return MessageFormatInterface
     * @throws ReaderException
     */
    private function getMessageFormatForXmlNs($xmlNs)
    {
        $messageFormats = $this->config->getMessageFormats();
        foreach ($messageFormats as $messageFormat) {
            if ($messageFormat->getXmlNs() === $xmlNs) {
                return $messageFormat;
            }
        }

        throw new ReaderException("Unsupported format, cannot find message format with xmlns {$xmlNs}");
    }
}