log4j-core/src/test/java/org/apache/logging/log4j/ThreadContextTestAccess.java

/*
 * 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;

import java.lang.reflect.Method;

import org.apache.logging.log4j.ThreadContext;

import static org.junit.jupiter.api.Assertions.fail;

/**
 * <p>
 * Utility class to access package protected methods in {@code ThreadContext}.
 * </p>
 *
 * @see ThreadContext
 * @since 2.7
 */
public final class ThreadContextTestAccess {
    private ThreadContextTestAccess() { // prevent instantiation
    }

    public static void init() {
        try {
            Class<ThreadContext> clazz = ThreadContext.class;
            Method method = clazz.getDeclaredMethod("init");
            method.setAccessible(true);
            method.invoke(null);
        } catch (Exception ex) {
            fail("Unable to reinitialize ThreadContext");
        }
    }
}