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1   package ch.qos.logback.access.sift;
2   
3   import java.util.Collection;
4   import java.util.HashMap;
5   import java.util.Map;
6   
7   import ch.qos.logback.access.spi.AccessEvent;
8   import ch.qos.logback.core.Appender;
9   import ch.qos.logback.core.joran.action.ActionConst;
10  import ch.qos.logback.core.joran.action.AppenderAction;
11  import ch.qos.logback.core.joran.spi.Pattern;
12  import ch.qos.logback.core.joran.spi.RuleStore;
13  import ch.qos.logback.core.sift.SiftingJoranConfiguratorBase;
14  
15  public class SiftingJoranConfigurator  extends SiftingJoranConfiguratorBase<AccessEvent> {
16  
17    String key;
18    String value;
19    
20    SiftingJoranConfigurator(String key, String value) {
21      this.key = key;
22      this.value = value;
23    }
24    
25    @Override
26    protected Pattern initialPattern() {
27      return new Pattern("configuration");
28    }
29    
30    @Override
31    protected void addInstanceRules(RuleStore rs) {
32      rs.addRule(new Pattern("configuration/appender"), new AppenderAction());
33    }
34  
35    @Override
36    protected void buildInterpreter() {
37      super.buildInterpreter();
38      Map<String, Object> omap = interpreter.getInterpretationContext().getObjectMap();
39      omap.put(ActionConst.APPENDER_BAG, new HashMap());
40      omap.put(ActionConst.FILTER_CHAIN_BAG, new HashMap());
41      Map<String, String> propertiesMap = new HashMap<String, String>();
42      propertiesMap.put(key, value);
43      interpreter.setInterpretationContextPropertiesMap(propertiesMap);
44    }
45  
46    @SuppressWarnings("unchecked")
47    public Appender<AccessEvent> getAppender() {
48      Map<String, Object> omap = interpreter.getInterpretationContext().getObjectMap();
49      HashMap map = (HashMap) omap.get(ActionConst.APPENDER_BAG);
50      Collection values = map.values();
51      return (Appender<AccessEvent>) values.iterator().next();
52    }
53  }