/**
    * 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);
          }
      }
  }