/**
* Copyright (c) 2004-2011 QOS.ch
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
package org.slf4j.impl;
import java.util.
HashMap;
import java.util.
Iterator;
import java.util.
Map;
import org.apache.log4j.
MDCFriend;
import org.slf4j.spi.
MDCAdapter;
public class
Log4jMDCAdapter implements
MDCAdapter {
static {
if (
VersionUtil.
getJavaMajorVersion() >= 9) {
MDCFriend.
fixForJava9();
}
}
public void
clear() {
@
SuppressWarnings("rawtypes")
Map map = org.apache.log4j.
MDC.
getContext();
if (
map != null) {
map.
clear();
}
}
public
String get(
String key) {
return (
String) org.apache.log4j.
MDC.
get(
key);
}
/**
* Put a context value (the <code>val</code> parameter) as identified with
* the <code>key</code> parameter into the current thread's context map. The
* <code>key</code> parameter cannot be null. Log4j does <em>not</em>
* support null for the <code>val</code> parameter.
*
* <p>
* This method delegates all work to log4j's MDC.
*
* @throws IllegalArgumentException
* in case the "key" or <b>"val"</b> parameter is null
*/
public void
put(
String key,
String val) {
org.apache.log4j.
MDC.
put(
key,
val);
}
public void
remove(
String key) {
org.apache.log4j.
MDC.
remove(
key);
}
@
SuppressWarnings({ "rawtypes", "unchecked" })
public
Map getCopyOfContextMap() {
Map old = org.apache.log4j.
MDC.
getContext();
if (
old != null) {
return new
HashMap(
old);
} else {
return null;
}
}
@
SuppressWarnings({ "rawtypes", "unchecked" })
public void
setContextMap(
Map contextMap) {
Map old = org.apache.log4j.
MDC.
getContext();
if (
old == null) {
Iterator entrySetIterator =
contextMap.
entrySet().
iterator();
while (
entrySetIterator.
hasNext()) {
Map.
Entry mapEntry = (
Map.
Entry)
entrySetIterator.
next();
org.apache.log4j.
MDC.
put((
String)
mapEntry.
getKey(),
mapEntry.
getValue());
}
} else {
old.
clear();
old.
putAll(
contextMap);
}
}
}