File logFile = new File(logFileName);
File logDir = new File(logFile.getParent());
String fileNamePrefix = logFile.getName();
logFiles = FileUtils.getFileListing
(logDir, false,
new LogNameFilter
(fileNamePrefix, startDate, endDate),
new LogNameComparator());
if(logFiles != null && logFiles.size() == 0)
logFiles = Arrays.asList(new File[] {new File(logFileName)});
} else