/**
* Extracts text from a file using Apache Tika
*
* @param FileInterface $file
* @return string Text extracted from the input file
*/
public function extractText(FileInterface $file)
{
$extractedContent = NULL;
$tika = ServiceFactory::getTika($this->configuration['extractor']);
$extractedContent = $tika->extractText($file);
return $extractedContent;
}
/**
* Extracts meta data from a file using Apache Tika
*
* @param File $file
* @param array $previousExtractedData Already extracted/existing data
* @return array
*/
public function extractMetaData(File $file, array $previousExtractedData = array())
{
$metaData = array();
$tika = ServiceFactory::getTika($this->configuration['extractor']);
$metaData['language'] = $tika->detectLanguageFromFile($file);
return $metaData;
}
/**
* Extracts meta data from a file using Apache Tika
*
* @param File $file
* @param array $previousExtractedData Already extracted/existing data
* @return array
*/
public function extractMetaData(File $file, array $previousExtractedData = array())
{
$metaData = NULL;
$tikaService = ServiceFactory::getTika($this->configuration['extractor']);
$extractedMetaData = $tikaService->extractMetaData($file);
$metaData = $this->normalizeMetaData($extractedMetaData);
return $metaData;
}
/**
* @test
*/
public function getTikaThrowsExceptionForInvalidConfiguration()
{
$backup = $GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['tika'];
$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['tika'] = 'invalid configuration';
try {
$extractor = ServiceFactory::getTika('foo');
} catch (\RuntimeException $e) {
$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['tika'] = $backup;
return;
}
$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['tika'] = $backup;
$this->fail('Did not throw RuntimeException');
}
/**
* Initializes resources commonly needed for several actions.
*
* @return void
*/
protected function initializeAction()
{
parent::initializeAction();
$this->tikaConfiguration = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['tika']);
$this->tikaService = ServiceFactory::getTika($this->tikaConfiguration['extractor']);
}
