sk.antons.util.logging.appender.TimeAppender Maven / Gradle / Ivy
/*
* Copyright 2015 Anton Straka
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package sk.antons.util.logging.appender;
import java.util.Calendar;
import java.util.Hashtable;
import java.util.Map;
import java.util.logging.LogRecord;
/**
* Appends record time in form HH:mm:ss.SSS. (record.getMillis())
* @author antons
*/
public class TimeAppender extends AbstractAppender {
private long starttime = 0;
private long endtime = 0;
private static Map twoCache = new Hashtable();
private String two(long num) {
String rv = twoCache.get(num);
if(rv != null) return rv;
rv = String.valueOf(num);
if(num < 10) rv = "0" + rv;
twoCache.put(num, rv);
return rv;
}
private static Map threeCache = new Hashtable();
private String three(long num) {
String rv = threeCache.get(num);
if(rv != null) return rv;
rv = String.valueOf(num);
if(num < 10) rv = "0" + rv;
if(num < 100) rv = "0" + rv;
threeCache.put(num, rv);
return rv;
}
private synchronized String time(long millis) {
if((starttime < millis) && (millis >= endtime)) {
Calendar c = Calendar.getInstance();
c.setTimeInMillis(millis);
c.set(Calendar.HOUR_OF_DAY, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
starttime = c.getTime().getTime();
c.add(Calendar.DAY_OF_MONTH, 1);
endtime = c.getTime().getTime();
}
long tm = millis - starttime;
long ms = tm % 1000;
tm = tm/1000;
long s = tm % 60;
tm = tm/60;
long m = tm % 60;
tm = tm/60;
long h = tm % 24;
StringBuilder sb = new StringBuilder();
sb.append(two(h));
sb.append(':');
sb.append(two(m));
sb.append(':');
sb.append(two(s));
sb.append('.');
sb.append(three(ms));
return sb.toString();
}
@Override
protected String format(LogRecord record) {
if(record == null) return null;
return time(record.getMillis());
}
}