org.apache.logging.log4j.core.config.plugins.visitors.PluginLoggerContextVisitor Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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.apache.logging.log4j.core.config.plugins.visitors;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.Node;
import org.apache.logging.log4j.core.config.plugins.PluginConfiguration;
/**
* PluginVisitor implementation for {@link PluginConfiguration}.
*/
public class PluginLoggerContextVisitor extends AbstractPluginVisitor {
public PluginLoggerContextVisitor() {
super(PluginConfiguration.class);
}
@Override
public Object visit(
final Configuration configuration, final Node node, final LogEvent event, final StringBuilder log) {
if (this.conversionType.isAssignableFrom(LoggerContext.class)) {
if (configuration.getLoggerContext() != null) {
return configuration.getLoggerContext();
} else {
LOGGER.warn("Configuration {} is not assigned a LoggerContext", configuration.getName());
}
}
LOGGER.warn("Variable annotated with @PluginLoggerContext does not reference a LoggerContext");
return null;
}
}