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17 package org.apache.logging.log4j.core.layout;
18
19 import org.apache.logging.log4j.Logger;
20 import org.apache.logging.log4j.Marker;
21 import org.apache.logging.log4j.core.LogEvent;
22 import org.apache.logging.log4j.core.config.Configuration;
23 import org.apache.logging.log4j.core.config.Node;
24 import org.apache.logging.log4j.core.config.plugins.Plugin;
25 import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
26 import org.apache.logging.log4j.core.config.plugins.PluginConfiguration;
27 import org.apache.logging.log4j.core.config.plugins.PluginElement;
28 import org.apache.logging.log4j.core.config.plugins.PluginFactory;
29 import org.apache.logging.log4j.core.pattern.PatternFormatter;
30 import org.apache.logging.log4j.core.pattern.PatternParser;
31 import org.apache.logging.log4j.core.util.KeyValuePair;
32 import org.apache.logging.log4j.status.StatusLogger;
33
34 import java.util.HashMap;
35 import java.util.List;
36 import java.util.Map;
37
38
39
40
41 @Plugin(name = "MarkerPatternSelector", category = Node.CATEGORY, elementType = PatternSelector.ELEMENT_TYPE, printObject = true)
42 public class MarkerPatternSelector implements PatternSelector {
43
44 private final Map<String, PatternFormatter[]> formatterMap = new HashMap<>();
45
46 private final Map<String, String> patternMap = new HashMap<>();
47
48 private final PatternFormatter[] defaultFormatters;
49
50 private final String defaultPattern;
51
52 private static Logger LOGGER = StatusLogger.getLogger();
53
54
55 public MarkerPatternSelector(final PatternMatch[] properties, final String defaultPattern,
56 final boolean alwaysWriteExceptions, final boolean noConsoleNoAnsi,
57 final Configuration config) {
58 final PatternParser parser = PatternLayout.createPatternParser(config);
59 for (PatternMatch property : properties) {
60 try {
61 List<PatternFormatter> list = parser.parse(property.getPattern(), alwaysWriteExceptions, noConsoleNoAnsi);
62 formatterMap.put(property.getKey(), list.toArray(new PatternFormatter[list.size()]));
63 patternMap.put(property.getKey(), property.getPattern());
64 } catch (RuntimeException ex) {
65 throw new IllegalArgumentException("Cannot parse pattern '" + property.getPattern() + "'", ex);
66 }
67 }
68 try {
69 List<PatternFormatter> list = parser.parse(defaultPattern, alwaysWriteExceptions, noConsoleNoAnsi);
70 defaultFormatters = list.toArray(new PatternFormatter[list.size()]);
71 this.defaultPattern = defaultPattern;
72 } catch (RuntimeException ex) {
73 throw new IllegalArgumentException("Cannot parse pattern '" + defaultPattern + "'", ex);
74 }
75 }
76
77 @Override
78 public PatternFormatter[] getFormatters(LogEvent event) {
79 Marker marker = event.getMarker();
80 if (marker == null) {
81 return defaultFormatters;
82 }
83 for (String key : formatterMap.keySet()) {
84 if (marker.isInstanceOf(key)) {
85 return formatterMap.get(key);
86 }
87 }
88 return defaultFormatters;
89 }
90
91
92 @PluginFactory
93 public static MarkerPatternSelector createSelector(@PluginElement("PatternMatch") final PatternMatch[] properties,
94 @PluginAttribute("defaultPattern") String defaultPattern,
95 @PluginAttribute(value = "alwaysWriteExceptions", defaultBoolean = true) final boolean alwaysWriteExceptions,
96 @PluginAttribute(value = "noConsoleNoAnsi", defaultBoolean = false) final boolean noConsoleNoAnsi,
97 @PluginConfiguration final Configuration config) {
98 if (defaultPattern == null) {
99 defaultPattern = PatternLayout.DEFAULT_CONVERSION_PATTERN;
100 }
101 if (properties == null || properties.length == 0) {
102 LOGGER.warn("No marker patterns were provided");
103 }
104 return new MarkerPatternSelector(properties, defaultPattern, alwaysWriteExceptions,
105 noConsoleNoAnsi, config);
106 }
107
108 @Override
109 public String toString() {
110 StringBuilder sb = new StringBuilder();
111 boolean first = true;
112 for (Map.Entry<String, String> entry : patternMap.entrySet()) {
113 if (!first) {
114 sb.append(", ");
115 }
116 sb.append("key=\"").append(entry.getKey()).append("\", pattern=\"").append(entry.getValue()).append("\"");
117 first = false;
118 }
119 if (!first) {
120 sb.append(", ");
121 }
122 sb.append("default=\"").append(defaultPattern).append("\"");
123 return sb.toString();
124 }
125 }