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ThreadContextMDCMap.java
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ThreadContextMDCMap.java
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/*
* JBoss, Home of Professional Open Source.
*
* Copyright 2023 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.logmanager.log4j;
import java.util.Map;
import org.apache.logging.log4j.spi.ThreadContextMap;
import org.jboss.logmanager.MDC;
/**
* A {@link ThreadContextMap} implementation which delegates to {@link MDC}.
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
public class ThreadContextMDCMap implements ThreadContextMap {
@Override
public void clear() {
MDC.clear();
}
@Override
public boolean containsKey(final String key) {
return MDC.get(key) != null;
}
@Override
public String get(final String key) {
return MDC.get(key);
}
@Override
public Map<String, String> getCopy() {
return MDC.copy();
}
@Override
public Map<String, String> getImmutableMapOrNull() {
final Map<String, String> copy = MDC.copy();
return copy.isEmpty() ? null : copy;
}
@Override
public boolean isEmpty() {
// Performance here is not great, but we need to use it as MDC.isEmpty() is not available in the log manager
return MDC.copy().isEmpty();
}
@Override
public void put(final String key, final String value) {
if (value == null) {
MDC.remove(key);
} else {
MDC.put(key, value);
}
}
@Override
public void remove(final String key) {
MDC.remove(key);
}
}