/**
  * Load jobs from crontab file
  */
 protected function loadJobs()
 {
     fseek($this->handle, 0);
     while (!feof($this->handle)) {
         $line = fgets($this->handle);
         $line = trim(trim($line), "\t");
         if (!empty($line)) {
             if (CronApplicationJob::isApplicationJob($line)) {
                 $obj = CronApplicationJob::parseFromCommand($line);
                 if ($obj !== FALSE) {
                     $this->jobs[] = $obj;
                 }
             } else {
                 $obj = Cronjob::parseFromCommand($line);
                 if ($obj !== FALSE) {
                     $this->jobs[] = $obj;
                 }
             }
         }
     }
 }