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 ch.qos.logback.classic.pattern;
15
16 import ch.qos.logback.classic.spi.CallerData;
17 import ch.qos.logback.classic.spi.ILoggingEvent;
18 import ch.qos.logback.core.CoreConstants;
19
20 public class LineOfCallerConverter extends ClassicConverter {
21
22 public String convert(ILoggingEvent le) {
23 StackTraceElement[] cda = le.getCallerData();
24 if (cda != null && cda.length > 0) {
25 return Integer.toString(cda[0].getLineNumber());
26 } else {
27 return CoreConstants.NA;
28 }
29 }
30
31 }