/*
 * 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.log4j.spi;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.helpers.LogLog;

// Contibutors: Mathias Bogaert

/**
 * @deprecated Replaced by {@link RootLogger}.
 */
final public class RootCategory extends Logger {

    /**
     * The root category names itself as "root". However, the root category cannot be retrieved by name.
     */
    public RootCategory(Level level) {
        super("root");
        setLevel(level);
    }

    /**
     * Return the assigned level value without walking the category hierarchy.
     */
    final public Level getChainedLevel() {
        return level;
    }

    /**
     * Setting a null value to the level of the root category may have catastrophic results. We prevent this here.
     *
     * @since 0.8.3
     */
    final public void setLevel(Level level) {
        if (level == null) {
            LogLog.error("You have tried to set a null level to root.", new Throwable());
        } else {
            this.level = level;
        }
    }

    final public void setPriority(Level level) {
        setLevel(level);
    }

}
