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java.lang.Objectorg.slf4j.helpers.BasicMDCAdapter
public class BasicMDCAdapter
Basic MDC implementation, which can be used with logging systems that lack out-of-the-box MDC support. This code was initially inspired by logback's LogbackMDCAdapter. However, LogbackMDCAdapter has evolved and is now considerably more sophisticated.
| Constructor Summary | |
|---|---|
BasicMDCAdapter()
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| Method Summary | |
|---|---|
void |
clear()
Clear all entries in the MDC. |
String |
get(String key)
Get the context identified by the key parameter. |
Map<String,String> |
getCopyOfContextMap()
Return a copy of the current thread's context map. |
Set<String> |
getKeys()
Returns the keys in the MDC as a Set of Strings The
returned value can be null. |
void |
put(String key,
String val)
Put a context value (the val parameter) as identified with
the key parameter into the current thread's context map. |
void |
remove(String key)
Remove the the context identified by the key parameter. |
void |
setContextMap(Map<String,String> contextMap)
Set the current thread's context map by first clearing any existing map and then copying the map passed as parameter. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public BasicMDCAdapter()
| Method Detail |
|---|
public void put(String key,
String val)
val parameter) as identified with
the key parameter into the current thread's context map.
Note that contrary to log4j, the val parameter can be null.
If the current thread does not have a context map it is created as a side effect of this call.
put in interface MDCAdapterIllegalArgumentException - in case the "key" parameter is nullpublic String get(String key)
key parameter.
get in interface MDCAdapterkey parameter.public void remove(String key)
key parameter.
remove in interface MDCAdapterpublic void clear()
clear in interface MDCAdapterpublic Set<String> getKeys()
Set of Strings The
returned value can be null.
public Map<String,String> getCopyOfContextMap()
getCopyOfContextMap in interface MDCAdapterpublic void setContextMap(Map<String,String> contextMap)
MDCAdapter
setContextMap in interface MDCAdaptercontextMap - must contain only keys and values of type String
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