/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2013, 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 chapters.filters;

import org.slf4j.Marker;
import org.slf4j.MarkerFactory;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.turbo.TurboFilter;
import ch.qos.logback.core.spi.FilterReply;

public class SampleTurboFilter extends TurboFilter {

  String marker;
  Marker markerToAccept;

  @Override
  public FilterReply decide(Marker marker, Logger logger, Level level,
      String format, Object[] params, Throwable t) {
    
    if (!isStarted()) {
      return FilterReply.NEUTRAL;
    }

    if ((markerToAccept.equals(marker))) {
      return FilterReply.ACCEPT;
    } else {
      return FilterReply.NEUTRAL;
    }
  }

  public String getMarker() {
    return marker;
  }

  public void setMarker(String markerStr) {
    this.marker = markerStr;
  }

  @Override
  public void start() {
    if (marker != null && marker.trim().length() > 0) {
      markerToAccept = MarkerFactory.getMarker(marker);
      super.start(); 
    }
  }
}
