// unloading event log to file
appInstance.unloadEventLog(fullPath, parameters, null, null);
// read xml event's file to String
OCTextReader textReader = appInstance.newTextReader();
textReader.open(fullPath, "UTF-8");
String res = textReader.read();
textReader.close();
if (isDeleteAfterUnload()) {
// delete event's files
appInstance.deleteFiles(remoteTempDir, fileName);
}