/**
  * creates a index entry for a given file
  *
  * @param string $file
  * @param string $content
  */
 public function storeToIndex($file, $content)
 {
     $tags = '';
     tx_kesearch_helper::makeTags($tags, array('file'));
     // get data from FAL
     if ($file instanceof \TYPO3\CMS\Core\Resource\File) {
         $metadata = $file->_getMetaData();
         $orig_uid = $file->getUid();
     } else {
         $orig_uid = 0;
     }
     $indexRecordValues = array('storagepid' => $this->indexerConfig['storagepid'], 'title' => $this->fileInfo->getName(), 'type' => 'file:' . $this->fileInfo->getExtension(), 'targetpid' => 1, 'tags' => $tags, 'params' => '', 'abstract' => '', 'language_uid' => -1, 'starttime' => 0, 'endtime' => 0, 'fe_group' => 0, 'debug' => false);
     $additionalFields = array('sortdate' => $this->fileInfo->getModificationTime(), 'orig_uid' => $orig_uid, 'orig_pid' => 0, 'directory' => $this->fileInfo->getRelativePath(), 'hash' => $this->getUniqueHashForFile());
     // add additional content if FAL is used
     if ($this->pObj->indexerConfig['fal_storage'] > 0) {
         // index meta data from FAL: title, description, alternative
         if ($metadata['title']) {
             $indexRecordValues['content'] = $metadata['title'] . "\n" . $indexRecordValues['content'];
         }
         if ($metadata['description']) {
             $indexRecordValues['abstract'] = $metadata['description'];
             $content = $metadata['description'] . "\n" . $content;
         }
         if ($metadata['alternative']) {
             $content .= "\n" . $metadata['alternative'];
         }
         // make tags from assigned categories
         $categories = tx_kesearch_helper::getCategories($metadata['uid'], 'sys_file_metadata');
         tx_kesearch_helper::makeTags($indexRecordValues['tags'], $categories['title_list']);
     }
     // hook for custom modifications of the indexed data, e. g. the tags
     if (is_array($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['ke_search']['modifyFileIndexEntry'])) {
         foreach ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['ke_search']['modifyFileIndexEntry'] as $_classRef) {
             if (TYPO3_VERSION_INTEGER >= 7000000) {
                 $_procObj =& TYPO3\CMS\Core\Utility\GeneralUtility::getUserObj($_classRef);
             } else {
                 $_procObj =& t3lib_div::getUserObj($_classRef);
             }
             $_procObj->modifyFileIndexEntry($file, $content, $additionalFields, $indexRecordValues, $this);
         }
     }
     // store record in index table
     $this->pObj->storeInIndex($indexRecordValues['storagepid'], $indexRecordValues['title'], $indexRecordValues['type'], $indexRecordValues['targetpid'], $content, $indexRecordValues['tags'], $indexRecordValues['params'], $indexRecordValues['abstract'], $indexRecordValues['language_uid'], $indexRecordValues['starttime'], $indexRecordValues['endtime'], $indexRecordValues['fe_group'], $indexRecordValues['debug'], $additionalFields);
 }