/**
* LOGBack: the reliable, fast and flexible logging library for Java.
*
* Copyright (C) 1999-2006, QOS.ch
*
* This library is free software, you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation.
*/
package ch.qos.logback.classic.pattern;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import ch.qos.logback.classic.spi.LoggingEvent;
import ch.qos.logback.core.CoreGlobal;
public class DateConverter extends ClassicConverter {
long lastTimestamp = -1;
String timesmapStr = null;
SimpleDateFormat simpleFormat = null;
public void start() {
String datePattern = getFirstOption();
if(datePattern == null) {
datePattern = CoreGlobal.ISO8601_PATTERN;
}
try {
simpleFormat = new SimpleDateFormat(datePattern);
//maximumCacheValidity = CachedDateFormat.getMaximumCacheValidity(pattern);
} catch (IllegalArgumentException e) {
getLogger().warn(
"Could not instantiate SimpleDateFormat with pattern " + datePattern, e);
// default to the ISO8601 format
simpleFormat = new SimpleDateFormat(CoreGlobal.ISO8601_PATTERN);
}
List optionList = getOptionList();
// if the option list contains a TZ option, then set it.
if (optionList != null && optionList.size() > 1) {
TimeZone tz = TimeZone.getTimeZone((String) optionList.get(1));
simpleFormat.setTimeZone(tz);
}
}
public String convert(Object event) {
LoggingEvent le = (LoggingEvent) event;
long timestamp = le.getTimeStamp();
// if called multiple times within the same millisecond
// return old value
if(timestamp == lastTimestamp) {
return timesmapStr;
} else {
lastTimestamp = timestamp;
timesmapStr = simpleFormat.format(new Date(timestamp));
return timesmapStr;
}
}
}