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17 package org.apache.logging.log4j.core.filter;
18
19 import org.apache.logging.log4j.Level;
20 import org.apache.logging.log4j.Marker;
21 import org.apache.logging.log4j.core.LogEvent;
22 import org.apache.logging.log4j.core.Logger;
23 import org.apache.logging.log4j.core.config.plugins.Plugin;
24 import org.apache.logging.log4j.core.config.plugins.PluginAttr;
25 import org.apache.logging.log4j.core.config.plugins.PluginFactory;
26 import org.apache.logging.log4j.message.Message;
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36 @Plugin(name = "ThresholdFilter", type = "Core", elementType = "filter", printObject = true)
37 public final class ThresholdFilter extends FilterBase {
38
39 private final Level level;
40
41 private ThresholdFilter(Level level, Result onMatch, Result onMismatch) {
42 super(onMatch, onMismatch);
43 this.level = level;
44 }
45
46 public Result filter(Logger logger, Level level, Marker marker, String msg, Object[] params) {
47 return filter(level);
48 }
49
50 public Result filter(Logger logger, Level level, Marker marker, Object msg, Throwable t) {
51 return filter(level);
52 }
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54 public Result filter(Logger logger, Level level, Marker marker, Message msg, Throwable t) {
55 return filter(level);
56 }
57
58 @Override
59 public Result filter(LogEvent event) {
60 return filter(event.getLevel());
61 }
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63 private Result filter(Level level) {
64 return level.isAtLeastAsSpecificAs(this.level) ? onMatch : onMismatch;
65 }
66
67 @Override
68 public String toString() {
69 return level.toString();
70 }
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79 @PluginFactory
80 public static ThresholdFilter createFilter(@PluginAttr("level") String loggerLevel,
81 @PluginAttr("onMatch") String match,
82 @PluginAttr("onMismatch") String mismatch) {
83 Level level = loggerLevel == null ? Level.ERROR : Level.toLevel(loggerLevel.toUpperCase());
84 Result onMatch = match == null ? Result.NEUTRAL : Result.valueOf(match.toUpperCase());
85 Result onMismatch = mismatch == null ? Result.DENY : Result.valueOf(mismatch.toUpperCase());
86
87 return new ThresholdFilter(level, onMatch, onMismatch);
88 }
89
90 }