/**
* This class implements the Singleton pattern. There is only ever
* one instance of the this class and it is accessed only via the
* ClassName::instance() method.
*
* @return object
* @access public
* @since 5/26/05
* @static
*/
public static function instance()
{
if (!isset(self::$instance)) {
self::$instance = new ConcertoErrorPrinter();
}
return self::$instance;
}
ob_start();
}
$harmoni->execute();
// Handle certain types of uncaught exceptions specially. In particular,
// Send back HTTP Headers indicating that an error has ocurred to help prevent
// crawlers from continuing to pound invalid urls.
} catch (UnknownActionException $e) {
ConcertoErrorPrinter::handleException($e, 400);
} catch (NullArgumentException $e) {
ConcertoErrorPrinter::handleException($e, 400);
} catch (PermissionDeniedException $e) {
ConcertoErrorPrinter::handleException($e, 403);
} catch (UnknownIdException $e) {
ConcertoErrorPrinter::handleException($e, 404);
} catch (Exception $e) {
ConcertoErrorPrinter::handleException($e, 500);
}
if (defined('ENABLE_TIMERS') && ENABLE_TIMERS) {
$execTimer->end();
$output = ob_get_clean();
ob_start();
print "\n<table>\n<tr><th align='right'>Execution Time:</th>\n<td align='right'><pre>";
printf("%1.6f", $execTimer->printTime());
print "</pre></td></tr>\n</table>";
$dbhandler = Services::getService("DBHandler");
printpre("NumQueries: " . $dbhandler->getTotalNumberOfQueries());
if (isset($dbhandler->recordQueryCallers) && $dbhandler->recordQueryCallers) {
print $dbhandler->getQueryCallerStats();
}
try {
$db = Harmoni_Db::getDatabase('concerto_db');
