public List<String> getLogFilenames() {
File logDir = getLogsDir();
List<File> logDirnames = Arrays.asList(logDir.listFiles());
List<String> logFilenames = new ArrayList<String>();
for (File logMonthDir : logDirnames) {
if (logMonthDir.isDirectory() && logMonthDir.listFiles().length > 0) {
for (File logFile : logMonthDir.listFiles()) {
if (logFile.getName().endsWith(".log")) {
logFilenames.add(logMonthDir.getName() + File.separator + logFile.getName());
}
}
}
}
Collections.sort(logFilenames, new LogFilenameComparator());
Collections.reverse(logFilenames);
return logFilenames;
}
protected void setLastTaskId(int taskId) throws IOException {
File lastTaskFile = new File(getTasksDir(), LAST_TASK_FILENAME);
if (lastTaskFile.exists()) {
File backupFile = new File(lastTaskFile.getParent(), lastTaskFile.getName() + ".bkp");
FileUtil.copyFile(lastTaskFile, backupFile);
}
BufferedWriter writer = null;
try {
writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(lastTaskFile)));
writer.write(new Integer(taskId).toString());
writer.newLine();
} catch (IOException e) {
log.error("Error writing last task file", e);
} finally {
if (writer != null) {
writer.close();
}
}
}