private void notifyListeners(int event, long length, int status)
{
int len = this.fileUploadListeners.size();
for(int i=0; i<len; i++)
{
FileUploadListener l = this.fileUploadListeners.get(i);
if(event == EVT_STARTED) //start event
{
l.uploadStarted(length);
}else{
l.uploadFinished(status);
}
}
}