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25 package org.slf4j.reload4j;
26
27 import java.util.Deque;
28 import java.util.HashMap;
29 import java.util.Map;
30
31 import org.slf4j.helpers.ThreadLocalMapOfStacks;
32 import org.slf4j.spi.MDCAdapter;
33
34 public class Reload4jMDCAdapter implements MDCAdapter {
35
36 private final ThreadLocalMapOfStacks threadLocalMapOfDeques = new ThreadLocalMapOfStacks();
37
38 @Override
39 public void clear() {
40 @SuppressWarnings("rawtypes")
41 Map map = org.apache.log4j.MDC.getContext();
42 if (map != null) {
43 map.clear();
44 }
45 }
46
47 @Override
48 public String get(String key) {
49 return (String) org.apache.log4j.MDC.get(key);
50 }
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63
64 @Override
65 public void put(String key, String val) {
66 org.apache.log4j.MDC.put(key, val);
67 }
68
69 @Override
70 public void remove(String key) {
71 org.apache.log4j.MDC.remove(key);
72 }
73
74 @SuppressWarnings({ "rawtypes", "unchecked" })
75 public Map getCopyOfContextMap() {
76 Map old = org.apache.log4j.MDC.getContext();
77 if (old != null) {
78 return new HashMap(old);
79 } else {
80 return null;
81 }
82 }
83
84 @SuppressWarnings({ "rawtypes", "unchecked" })
85 @Override
86 public void setContextMap(Map<String, String> contextMap) {
87 Map old = org.apache.log4j.MDC.getContext();
88
89
90 if (contextMap == null) {
91 if (old != null) {
92 old.clear();
93 }
94 return;
95 }
96
97 if (old == null) {
98 for (Map.Entry<String, String> mapEntry : contextMap.entrySet()) {
99 org.apache.log4j.MDC.put(mapEntry.getKey(), mapEntry);
100 }
101 } else {
102 old.clear();
103 old.putAll(contextMap);
104 }
105 }
106
107 @Override
108 public void pushByKey(String key, String value) {
109 threadLocalMapOfDeques.pushByKey(key, value);
110 }
111
112 @Override
113 public String popByKey(String key) {
114 return threadLocalMapOfDeques.popByKey(key);
115 }
116
117 @Override
118 public Deque<String> getCopyOfDequeByKey(String key) {
119 return threadLocalMapOfDeques.getCopyOfDequeByKey(key);
120 }
121
122 @Override
123 public void clearDequeByKey(String key) {
124 threadLocalMapOfDeques.clearDequeByKey(key);
125 }
126 }