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With inspiration from other libraries
/**
* 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.turbo;
import org.slf4j.Marker;
import org.slf4j.MarkerFactory;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.core.spi.FilterReply;
/**
* Checks whether the marker in the event matches the marker specified by the
* user.
*/
public class MarkerFilter extends MatchingFilter {
Marker markerToMatch;
@Override
public void start() {
if (markerToMatch != null) {
super.start();
} else {
addError("The marker property must be set for [" + getName() + "]");
}
}
@Override
public FilterReply decide(Marker marker, Logger logger, Level level, String format, Object[] params, Throwable t) {
if (!isStarted()) {
return FilterReply.NEUTRAL;
}
if (marker == null) {
return onMismatch;
}
if (marker.contains(markerToMatch)) {
return onMatch;
} else {
return onMismatch;
}
}
/**
* The marker to match in the event.
*
* @param markerStr
*/
public void setMarker(String markerStr) {
if (markerStr != null) {
this.markerToMatch = MarkerFactory.getMarker(markerStr);
}
}
}