sk.antons.util.logging.appender.DateAppender 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.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.logging.LogRecord;
/**
* Appends record date in form yyyy.MM.dd. (record.getMillis())
* @author antons
*/
public class DateAppender extends AbstractAppender {
private long starttime = 0;
private long endtime = 0;
private String date = null;
private synchronized String date(long millis) {
if((starttime < millis) && (millis >= endtime)) date = null;
if(date == null) {
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();
SimpleDateFormat df = new SimpleDateFormat("yyyy.MM.dd");
Date d = new Date(millis);
date = df.format(d);
}
return date;
}
@Override
protected String format(LogRecord record) {
if(record == null) return null;
return date(record.getMillis());
}
}