82 lines
2.4 KiB
PHP
82 lines
2.4 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Translation\Loader;
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use Symfony\Component\Translation\Exception\InvalidResourceException;
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use Symfony\Component\Translation\Exception\NotFoundResourceException;
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use Symfony\Component\Config\Resource\FileResource;
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/**
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* JsonFileLoader loads translations from an json file.
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*
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* @author singles
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*/
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class JsonFileLoader extends ArrayLoader
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{
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/**
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* {@inheritdoc}
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*/
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public function load($resource, $locale, $domain = 'messages')
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{
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if (!stream_is_local($resource)) {
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throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource));
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}
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if (!file_exists($resource)) {
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throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
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}
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$messages = array();
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if ($data = file_get_contents($resource)) {
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$messages = json_decode($data, true);
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if (0 < $errorCode = json_last_error()) {
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throw new InvalidResourceException(sprintf('Error parsing JSON - %s', $this->getJSONErrorMessage($errorCode)));
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}
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}
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if (null === $messages) {
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$messages = array();
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}
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$catalogue = parent::load($messages, $locale, $domain);
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$catalogue->addResource(new FileResource($resource));
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return $catalogue;
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}
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/**
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* Translates JSON_ERROR_* constant into meaningful message.
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*
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* @param int $errorCode Error code returned by json_last_error() call
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*
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* @return string Message string
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*/
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private function getJSONErrorMessage($errorCode)
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{
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switch ($errorCode) {
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case JSON_ERROR_DEPTH:
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return 'Maximum stack depth exceeded';
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case JSON_ERROR_STATE_MISMATCH:
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return 'Underflow or the modes mismatch';
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case JSON_ERROR_CTRL_CHAR:
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return 'Unexpected control character found';
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case JSON_ERROR_SYNTAX:
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return 'Syntax error, malformed JSON';
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case JSON_ERROR_UTF8:
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return 'Malformed UTF-8 characters, possibly incorrectly encoded';
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default:
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return 'Unknown error';
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}
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}
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}
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