/*
* 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.junit;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.spi.LoggerContextFactory;
import org.junit.rules.ExternalResource;
/**
* Sets the {@link LogManager}'s {@link LoggerContextFactory} to the given instance before the test and restores it to
* the original value after the test.
*/
public class LogManagerLoggerContextFactoryRule extends ExternalResource {
private final LoggerContextFactory loggerContextFactory;
private LoggerContextFactory restoreLoggerContextFactory;
public LogManagerLoggerContextFactoryRule(final LoggerContextFactory loggerContextFactory) {
super();
this.loggerContextFactory = loggerContextFactory;
}
@Override
protected void after() {
LogManager.setFactory(this.restoreLoggerContextFactory);
}
@Override
protected void before() throws Throwable {
this.restoreLoggerContextFactory = LogManager.getFactory();
LogManager.setFactory(this.loggerContextFactory);
}
}