public void open() {
streamOpen = true;
try {
out = new BufferedWriter(new FileWriter(file, !config.willOverwrite()));
} catch (IOException e) {
e.printStackTrace();
}
}
public void close() { // We flush and we close the stream
if (date != null) config.created(date);
try {
for (Iterator<String> i = buffer.iterator(); i.hasNext(); ) {
String msg = i.next();
try {
out.write(msg);
out.newLine();
} catch (IOException e) {
e.printStackTrace();
}
}
buffer.clear();
streamOpen = false;
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public LogFile(String filename, LoggerConfig config) {
String path = FOLDER;
this.config = config;
// Date Check
Date date = config.lastCreation();
Date now = new Date(System.currentTimeMillis());
int diff =
(int)
((now.getTime() - date.getTime())
/ (86400000)); // 86 400 000ms is the duration of a day in ms (1000*60*60*24)
if (diff > config.getFolderDuration()) {
// We need to create a new file
path += formatter.format(now) + "/";
this.date = now.getTime() + "";
new File(path).mkdir();
} else path += formatter.format(date) + "/";
// Now we have our file
file = new File(path + filename + ".log");
if (!file.exists()) {
if (!new File(path).exists()) new File(path).mkdirs();
try {
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
open();
return;
}
// Overwrite check
if (config.willOverwrite()) {
file.delete();
try {
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
open();
}
// Lines check
int lines = 0;
try {
lines = countLines(file.getAbsolutePath());
} catch (IOException e) {
e.printStackTrace();
}
int maxLines = config.getMaxLines();
if (maxLines != 0 && lines > maxLines) {
// We should delete lines : from the beginning to make lines fill 90% of Max Lines
int startLine = (int) (lines - 0.9 * maxLines);
try {
ArrayList<String> buffer = new ArrayList<String>();
int line = 0;
BufferedReader in = new BufferedReader(new FileReader(file)); // Our reader
String s;
while ((s = in.readLine()) != null) {
line++;
if (line > startLine) buffer.add(s);
}
in.close();
// Now we re-write
out = new BufferedWriter(new FileWriter(file));
for (Iterator<String> i = buffer.iterator(); i.hasNext(); out.append(i.next() + "\r\n")) ;
out.flush();
out.close();
out = null;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
open();
}