ch.qos.logback.classic.pattern.MarkerConverter Maven / Gradle / Ivy
/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2015, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.pattern;
import java.util.List;
import org.slf4j.Marker;
import ch.qos.logback.classic.spi.ILoggingEvent;
/**
* Return the event's marker value(s).
*
* @author Sébastien Pennec
*/
public class MarkerConverter extends ClassicConverter {
private static String EMPTY = "";
public String convert(ILoggingEvent le) {
List markers = le.getMarkerList();
if (markers == null || markers.isEmpty()) {
return EMPTY;
}
int size = markers.size();
if (size == 1)
return markers.get(0).toString();
StringBuffer buf = new StringBuffer(32);
for (int i = 0; i < size; i++) {
if (i != 0)
buf.append(' ');
Marker m = markers.get(i);
buf.append(m.toString());
}
return buf.toString();
}
}