ru.r2cloud.logging.JournaldFormatter Maven / Gradle / Ivy
package ru.r2cloud.logging;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Date;
import java.util.logging.Formatter;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.LogRecord;
public class JournaldFormatter extends Formatter {
private final String format = LogManager.getLogManager().getProperty("java.util.logging.JournaldFormatter.format");
private final Date dat = new Date();
@Override
public synchronized String format(LogRecord record) {
dat.setTime(record.getMillis());
String source;
if (record.getSourceClassName() != null) {
source = record.getSourceClassName();
if (record.getSourceMethodName() != null) {
source += " " + record.getSourceMethodName();
}
} else {
source = record.getLoggerName();
}
String message = formatMessage(record);
String throwable = "";
if (record.getThrown() != null) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
pw.println();
record.getThrown().printStackTrace(pw);
pw.close();
throwable = sw.toString();
}
return String.format(format, dat, source, record.getLoggerName(), convertLevelToSyslog(record.getLevel()), message, throwable);
}
private static int convertLevelToSyslog(Level level) {
if (level.equals(Level.WARNING)) {
return 4;
}
if (level.equals(Level.SEVERE)) {
return 3;
}
if (level.equals(Level.FINE) || level.equals(Level.FINER) || level.equals(Level.FINEST) || level.equals(Level.ALL)) {
return 7;
}
// the rest is info
return 6;
}
}