public LogDirectory(File dir, Pattern pattern) throws IOException {
if (!dir.isDirectory()) {
throw new IllegalArgumentException("Argument must be a directory, got: " + dir);
}
// Read the date from the first line of each file, and sort the files
// accordingly
for (File file : dir.listFiles(new PatternFilenameFilter(pattern))) {
ApacheLogEntryIterator it = new ApacheLogEntryIterator(open(file), true);
while (it.hasNext()) {
Date date = it.next().getDate();
// logger.debug("Found log file " + file.getAbsolutePath() + " with date " + date);
dateToFile.put(date, file);
it.close();
break;
}
}
logger.debug("Found log files: " + dateToFile);
}
@Override
public void close() {
if (itEntry != null) {
itEntry.close();
}
}