/**
* Takes a file reference and extracts its meta data.
*
* @param \TYPO3\CMS\Core\Resource\File $file
* @return array
*/
public function extractMetaData(File $file)
{
$localTempFilePath = $file->getForLocalProcessing(FALSE);
$query = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Tika\\Service\\SolrCellQuery', $localTempFilePath);
$query->setExtractOnly();
$response = $this->solr->extract($query);
$metaData = $this->solrResponseToArray($response[1]);
$this->cleanupTempFile($localTempFilePath, $file);
$this->log('Meta Data Extraction using Solr', array('file' => $file, 'solr connection' => (array) $this->solr, 'query' => (array) $query, 'response' => $response, 'meta data' => $metaData));
return $metaData;
}
