/**
* Service initialization
*
* @return void
*/
protected function initializeService()
{
if (!is_file(GeneralUtility::getFileAbsFileName($this->configuration['tikaPath'], FALSE))) {
throw new \RuntimeException('Invalid path or filename for Tika application jar: ' . $this->configuration['tikaPath'], 1266864929);
}
if (!CommandUtility::checkCommand('java')) {
throw new \RuntimeException('Could not find Java', 1421208775);
}
}
/**
* Constructor
*
*/
public function __construct()
{
parent::__construct();
if (!is_file(GeneralUtility::getFileAbsFileName($this->configuration['tikaPath'], FALSE))) {
throw new \RuntimeException('Invalid path or filename for Tika application jar: ' . $this->configuration['tikaPath'], 1266864929);
}
if (!CommandUtility::checkCommand('java')) {
throw new \RuntimeException('Could not find Java', 1421208775);
}
}
/**
* Check if a given service is available, based on the executable files it depends on
*
* @param string $serviceType Type of service
* @param string $serviceKey Specific key of the service
* @param array $serviceDetails Information about the service
* @return bool Service availability
*/
public static function isServiceAvailable($serviceType, $serviceKey, $serviceDetails)
{
// If the service depends on external programs - check if they exists
if (trim($serviceDetails['exec'])) {
$executables = GeneralUtility::trimExplode(',', $serviceDetails['exec'], true);
foreach ($executables as $executable) {
// If at least one executable file is not available, exit early returning FALSE
if (!CommandUtility::checkCommand($executable)) {
self::deactivateService($serviceType, $serviceKey);
return false;
}
}
}
// The service is available
return true;
}
/**
* Checks whether the extension is configured to use a local Tika
* application, and if so whether it's correctly configured.
*
* @return boolean TRUE if the extension is configured to use a local Tika app and if it's correctly configured, FALSE otherwise
*/
protected function hasCompleteLocalTikaConfiguration()
{
$localConfigurationComplete = FALSE;
if ($this->tikaConfiguration['extractor'] == 'tika' && is_file(GeneralUtility::getFileAbsFileName($this->tikaConfiguration['tikaPath'], FALSE)) && CommandUtility::checkCommand('java')) {
$localConfigurationComplete = TRUE;
}
if ($this->tikaConfiguration['logging']) {
$registry = GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Registry');
$registryStatus = $registry->get('Tx_Tika', 'available');
GeneralUtility::devLog('Has complete local Tika configuration: ' . ($localConfigurationComplete == TRUE ? 'yes' : 'no'), 'tika', 0, array('configuration' => $this->tikaConfiguration, 'javaFound' => CommandUtility::checkCommand('java'), 'tikaPath' => $this->tikaConfiguration['tikaPath'], 'absoluteTikaPath' => GeneralUtility::getFileAbsFileName($this->tikaConfiguration['tikaPath'], FALSE), 'absoluteTikaExists' => is_file(GeneralUtility::getFileAbsFileName($this->tikaConfiguration['tikaPath'], FALSE)) == TRUE ? 'yes' : 'no', 'registryStatus' => $registryStatus));
}
return $localConfigurationComplete;
}
/**
* check the availability of external programs
*
* @param string $progList Comma list of programs 'perl,python,pdftotext'
* @return boolean Return FALSE if one program was not found
* @todo Define visibility
*/
public function checkExec($progList)
{
$ret = TRUE;
$progList = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $progList, TRUE);
foreach ($progList as $prog) {
if (!\TYPO3\CMS\Core\Utility\CommandUtility::checkCommand($prog)) {
// Program not found
$this->errorPush(T3_ERR_SV_PROG_NOT_FOUND, 'External program not found: ' . $prog);
$ret = FALSE;
}
}
return $ret;
}
