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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.turbo;
15  
16  import org.slf4j.Marker;
17  import org.slf4j.MarkerFactory;
18  
19  import ch.qos.logback.classic.Level;
20  import ch.qos.logback.classic.Logger;
21  import ch.qos.logback.core.spi.FilterReply;
22  
23  /**
24   * Checks whether the marker in the event matches the marker specified by the 
25   * user.
26   */
27  public class MarkerFilter extends MatchingFilter {
28  
29      Marker markerToMatch;
30  
31      @Override
32      public void start() {
33          if (markerToMatch != null) {
34              super.start();
35          } else {
36              addError("The marker property must be set for [" + getName() + "]");
37          }
38      }
39  
40      @Override
41      public FilterReply decide(Marker marker, Logger logger, Level level, String format, Object[] params, Throwable t) {
42          if (!isStarted()) {
43              return FilterReply.NEUTRAL;
44          }
45  
46          if (marker == null) {
47              return onMismatch;
48          }
49  
50          if (marker.contains(markerToMatch)) {
51              return onMatch;
52          } else {
53              return onMismatch;
54          }
55      }
56  
57      /**
58       * The marker to match in the event.
59       * 
60       * @param markerStr
61       */
62      public void setMarker(String markerStr) {
63          if (markerStr != null) {
64              this.markerToMatch = MarkerFactory.getMarker(markerStr);
65          }
66      }
67  }