1 /**
2 * Logback: the reliable, generic, fast and flexible logging framework.
3 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4 *
5 * This program and the accompanying materials are dual-licensed under
6 * either the terms of the Eclipse Public License v1.0 as published by
7 * the Eclipse Foundation
8 *
9 * or (per the licensee's choosing)
10 *
11 * under the terms of the GNU Lesser General Public License version 2.1
12 * as published by the Free Software Foundation.
13 */
14 package chapters.layouts;
15
16 import ch.qos.logback.classic.pattern.ClassicConverter;
17 import ch.qos.logback.classic.spi.ILoggingEvent;
18
19 public class MySampleConverter extends ClassicConverter {
20
21 long start = System.nanoTime();
22
23 @Override
24 public String convert(ILoggingEvent event) {
25 long nowInNanos = System.nanoTime();
26 return Long.toString(nowInNanos - start);
27 }
28 }